Molded Case Circuit Breakers (MCCB)

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BGL26090
Square D by Schneider Electric BGL26090 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGL sub-range, featuring a PowerPact B-Frame 100 TMD 2P 90A design for 600Y/347Vac with an 18kA breaking capacity and 80% rated Everlink (Creep compensating) lugs on both line and load sides. It has a rated impulse voltage (Uimp) of 8 kV, IP40 degree of protection, and a rated current of 90A. The MCCB operates at a rated voltage (AC) of 600Vac 600Y/347Vac, with a mechanical durability of 20,000 operations and can be mounted on a DIN rail or as an individual unit on a plate. It features 2 poles (2P), with dimensions of 137 mm in height, 80 mm in depth, and 54 mm in width. The utilisation category is A, and it offers protection settings for over-current fixed at 90A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated voltage (DC) is 250Vdc, with a rated insulation voltage (Ui) of 800 V, and a rated operating voltage (Ue) of 525 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 90 AT. Its electrical durability with load is 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is manual toggle, and the short circuit breaking rating varies from 65kA at 240Vac to 20kA at 250Vdc, according to UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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BGF36090
Square D by Schneider Electric BGF36090 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGF sub-range, featuring a PowerPact B-Frame 100 TMD 3P-3t design for 90A 600Y/347Vac with an 18kA terminal nut at 80% rated capacity. It has a rated impulse voltage (Uimp) of 8 kV and utilizes a terminal nut kit for fixed busbar connection on both line and load sides. The device offers an IP40 degree of protection and supports a rated current of 90A with a rated voltage (AC) of 600Vac 600Y/347Vac. It is designed for mechanical durability up to 15,000 operations at no load and can be mounted on a DIN rail or individually on a plate. This 3-pole (3P) circuit breaker measures 137 mm in height, 80 mm in depth, and 81 mm in width. It falls under utilisation category A and features over-current protection fixed at 90A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated voltage (DC) is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. It provides thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 90 AT. The electrical durability with load is rated for 10,000 operations at 440Vac; In, and the frame current rating is 100 AF. The operating mode is manual toggle, and it has a short circuit breaking rating of 65kA at 240Vac, 35kA at 480Vac, 35kA at 480Y/277Vac, and 18kA at 600Y/347Vac according to UL489 standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BGF36050
Square D by Schneider Electric BGF36050 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGF sub-range, featuring a PowerPact B-Frame 100 TMD 3P-3t design for 50A 600Y/347Vac with an 18kA terminal nut at 80% rated capacity. It has a rated impulse voltage (Uimp) of 8 kV and utilizes a terminal nut kit for fixed busbar connection on both line and load sides, offering a degree of protection of IP40. The rated current is 50A, with a rated voltage (AC) of 600Vac 600Y/347Vac. It boasts a mechanical durability of 15,000 operations at no load and can be mounted on a DIN rail or as an individual unit on a plate. This 3-pole (3P) circuit breaker has dimensions of 137 mm in height, 80 mm in depth, and 81 mm in width. It falls under utilisation category A and features protection settings including over-current fixed at 50A, short-circuit hold current fixed at 480A, and short-circuit trip current fixed at 720A. The rated voltage (DC) is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 50 AT. Its electrical durability with load is rated for 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is manual toggle, and it has a short circuit breaking rating of 65kA at 240Vac, 35kA at 480Vac, 35kA at 480Y/277Vac, and 18kA at 600Y/347Vac under UL489 standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BGA161101
Square D by Schneider Electric BGA161101 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 125 TMD 1P 110A 600Y/347Vac 18kA I-line A 80% rated design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection (A phase) with a degree of protection rated at IP40. The rated current is 110A, with a rated voltage (AC) of 600Vac 600Y/347Vac. It boasts a mechanical durability of 20,000 operations at no load and is designed for mounting on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism for robust attachment. This 1-pole (1P) circuit breaker has dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. It falls under utilisation category A and offers protection settings including over-current fixed at 110A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated voltage (DC) is 125Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 240 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 110 AT. Its electrical durability with load is 10,000 operations at 240Vac; In, and it has a frame current rating of 125 AF. The operating mode is toggle (manual), and it has a short circuit breaking rating of 65kA at 240Vac, 35kA at 480Vac, 35kA at 480Y/277Vac, 18kA at 600Y/347Vac, and 20kA at 250Vdc, all according to UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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BGA160901
Square D by Schneider Electric BGA160901 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 100 TMD 1P 90A 600Y/347Vac 18kA I-line design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection (A phase) with a degree of protection rated at IP40. The rated current for this device is 90A, with a rated voltage (AC) of 600Vac 600Y/347Vac. It is designed for mechanical durability of 20,000 operations at no load and mounts on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism for robust attachment. This 1-pole (1P) circuit breaker has dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. It falls under utilisation category A and offers protection settings including over-current fixed at 90A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated voltage (DC) is 125Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 240 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 90 AT. Its electrical durability with load is rated for 10,000 operations at 240Vac; In. The frame current rating is 100 AF, and it operates via a toggle (manual) mechanism. The short circuit breaking rating varies, with 65kA at 240Vac, 35kA at 480Vac, 35kA at 480Y/277Vac, 18kA at 600Y/347Vac, and 20kA at 250Vdc, all according to UL489 standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BGA160251
Square D by Schneider Electric BGA160251 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 100 TMD 1P 25A 600Y/347Vac 18kA I-line design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection (A phase) with a degree of protection rated at IP40. The rated current is 25A, with a rated voltage (AC) of 600Vac 600Y/347Vac. This MCCB is designed for mechanical durability of 20,000 operations at no load and mounts on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism for robust attachment. It is a 1-pole (1P) device with dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. The utilisation category is A, and it offers protection settings including over-current fixed at 25A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. The rated voltage (DC) is 125Vdc, with a rated insulation voltage (Ui) of 800 V, and a rated operating voltage (Ue) of 240 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 25 AT. Its electrical durability with load is 10,000 operations at 240Vac; In, and it has a frame current rating of 100 AF. The operating mode is toggle (manual), and it has a short circuit breaking rating of 65kA at 240Vac; UL489, 35kA at 480Vac; UL489, 35kA at 480Y/277Vac; UL489, 18kA at 600Y/347Vac; UL489, and 20kA at 250Vdc; UL489. The trip unit type is thermal-magnetic (fixed) with no display.
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BGA141251
Square D by Schneider Electric BGA141251 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 125 TMD 1P 125A 480Y/277Vac 35kA I-line design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection (A phase) with a degree of protection rated at IP40. The rated current is 125A, with AC rated voltage at 480Vac 480Y/277Vac. This MCCB is designed for mechanical durability of 20,000 operations at no load and mounts on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism for robust attachment. It is a 1-pole (1P) device with dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. The utilisation category is A, and it offers protection settings including over-current fixed at 125A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated DC voltage is 125Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 240 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 125 AT. Its electrical durability with load is rated for 10,000 operations at 240Vac; In, and it has a frame current rating of 125 AF. The operating mode is toggle (manual), and it has a short circuit breaking rating of 65kA at 240Vac, 35kA at both 480Vac and 480Y/277Vac under UL489, 14kA at 600Y/347Vac, and 20kA at 250Vdc, all under UL489. The trip unit type is thermal-magnetic (fixed) with no display.
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BGA141101
Square D by Schneider Electric BGA141101 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 125 TMD 1P 110A design for 480Y/277Vac with a 35kA I-line and an 80% rated capacity. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection specific to the A phase. This MCCB is designed with an IP40 degree of protection and supports a rated current of 110A across a rated voltage of 480Vac 480Y/277Vac. It boasts a mechanical durability of 20,000 operations at no load and is engineered for mounting on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism. The device is a 1-pole (1P) unit with dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. It falls under the utilisation category A and offers protection settings including over-current fixed at 110A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. Additionally, it has a rated voltage of 125Vdc, a rated insulation voltage (Ui) of 800 V, and a rated operating voltage (Ue) of 240 V. Its protection functions encompass thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 110 AT. The electrical durability with load is rated at 10,000 operations at 240Vac; In. The frame current rating stands at 125 AF, and it operates via a toggle (manual) mechanism. The short circuit breaking rating is detailed as 65kA at 240Vac, 35kA at both 480Vac and 480Y/277Vac under UL489 standards, 14kA at 600Y/347Vac, and 20kA at 250Vdc. The trip unit type is a fixed thermal-magnetic technology without a display.
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BGA140701
Square D by Schneider Electric BGA140701 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BGA sub-range, featuring a PowerPact B-Frame 100 TMD 1P 70A 480Y/277Vac 35kA I-line design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes an I-line connection for the A phase. With a degree of protection rated at IP40 and a rated current of 70A, this MCCB operates at a rated voltage (AC) of 480Vac 480Y/277Vac. It is designed for mechanical durability of 20,000 operations at no load and mounts on I-line with line side isolated plug-on jaws plus a mechanical I-Line bracket mechanism. This 1-pole (1P) unit has dimensions of 137 mm in height, 89 mm in depth, and 27 mm in width. It falls under utilisation category A and offers protection settings for over-current fixed at 70A, short-circuit hold current fixed at 640A, and short-circuit trip current fixed at 960A. The rated voltage (DC) is 125Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 240 V. It provides thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 70 AT. The electrical durability with load is 10,000 operations at 240Vac; In, and it has a frame current rating of 100 AF. The operating mode is toggle (manual), and it has a short circuit breaking rating of 65kA at 240Vac, 35kA at both 480Vac and 480Y/277Vac under UL489 standards, 14kA at 600Y/347Vac, and 20kA at 250Vdc. The trip unit type is thermal-magnetic (fixed) with no display.
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BDL46050
Square D by Schneider Electric BDL46050 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 4P 50A design for 600Y/347Vac with a 14kA breaking capacity and Everlink (Creep compensating) lugs on both line and load sides. It has a rated impulse voltage (Uimp) of 8 kV, an IP40 degree of protection, and a rated current of 50A. The device operates at a rated voltage of 600Vac 600Y/347Vac, with mechanical durability of 20,000 operations and can be mounted on a DIN rail or as an individual unit on a plate. It has 4 poles (4P), with dimensions of 137 mm in height, 80 mm in depth, and 108 mm in width. The utilisation category is A, and it offers protection settings including over-current fixed at 50A, short-circuit hold current fixed at 480A, and short-circuit trip current fixed at 720A. The rated voltage for DC applications is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. It provides thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 50 AT and an electrical durability of 10,000 operations at 440Vac. The frame current rating is 100 AF, with a toggle (manual) operating mode and a short circuit breaking rating as specified for various voltages and standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BDL46040
Square D by Schneider Electric BDL46040 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 4P 40A design for 600Y/347Vac with a 14kA breaking capacity and 80% rated Everlink (Creep compensating) lugs on both line and load sides. It has a rated impulse voltage (Uimp) of 8 kV, an IP40 degree of protection, and a rated current of 40A. The device operates at a rated voltage (AC) of 600Vac 600Y/347Vac, with mechanical durability of 20,000 operations and can be mounted on a DIN rail or as an individual unit on a plate. It features 4 poles (4P), with dimensions of 137 mm in height, 80 mm in depth, and 108 mm in width. The BDL46040 falls under utilisation category A and offers protection settings including over-current fixed at 40A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. It has a rated voltage (DC) of 250Vdc, rated insulation voltage (Ui) of 800 V, and a rated operating voltage (Ue) of 525 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 40 AT. Its electrical durability with load is rated for 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is manual toggle, with a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac, 18kA at 480Y/277Vac, 14kA at 600Y/347Vac, and 10kA at 250Vdc, all according to UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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BDL46020
Square D by Schneider Electric BDL46020 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 4P 20A 600Y/347Vac 14kA design. It has a rated impulse voltage (Uimp) of 8 kV and utilizes Everlink (Creep compensating) lugs for connections on both line and load sides, offering a degree of protection of IP40. The rated current is 20A, with a rated voltage (AC) of 600Vac 600Y/347Vac. It is designed for mechanical durability of 20,000 operations at no load and can be mounted either on a DIN rail or as an individual unit on a plate. This 4-pole (4P) circuit breaker has dimensions of 137 mm in height, 80 mm in depth, and 108 mm in width. It falls under utilisation category A and features protection settings for over-current fixed at 20A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. The rated voltage (DC) is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. Its protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 20 AT. The electrical durability with load is rated for 10,000 operations at 440Vac; In. The frame current rating is 100 AF, and it operates via a toggle (manual) mode. The short circuit breaking rating varies by voltage, with 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, 14kA at 600Y/347Vac according to UL489 standards, and 10kA at 250Vdc. The trip unit type is thermal-magnetic (fixed) with no display.
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BDL36080LV
Square D by Schneider Electric BDL36080LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range. It features a PowerPact B-Frame 100 TMD 3P 80A design for 600Y/347Vac with a 14kA breaking capacity and includes Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only. This MCCB has a rated impulse voltage (Uimp) of 8 kV, an IP40 degree of protection, and a rated current of 80A. It operates at a rated voltage of 600Vac 600Y/347Vac, with a mechanical durability of 20,000 operations and can be mounted on a DIN rail or as an individual unit on a plate. The device has 3 poles (3P), dimensions of 137 mm in height, 80 mm in depth, and 81 mm in width, and falls under utilisation category A. Its protection settings include over-current fixed at 80A, short-circuit hold current fixed at 800A, and short-circuit trip current fixed at 1200A. The rated voltage for DC applications is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. It offers thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 80 AT and an electrical durability of 10,000 operations at 440Vac. The frame current rating is 100 AF, and it operates via a toggle (manual) mechanism. The short circuit breaking rating varies by voltage, with 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac according to UL489 standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BDL36060LV
Square D by Schneider Electric BDL36060LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD design. This 3-pole (3P) circuit breaker has a rated current of 60A and operates at a rated voltage of 600Vac 600Y/347Vac, with a rated impulse voltage (Uimp) of 8 kV. It is equipped with Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only, offering a degree of protection of IP40. The device has a mechanical durability of 20,000 operations at no load and can be mounted either on a DIN rail or as an individual unit on a plate. Its protection settings include over-current fixed at 60A, short-circuit hold current fixed at 640A, and short-circuit trip current fixed at 960A. The BDL36060LV has a net height of 137 mm, a net depth of 80 mm, and a net width of 81 mm. It provides thermal protection (overload) and magnetic protection (short-circuit) with a trip current rating of 60 AT. The electrical durability with load is rated at 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is manual toggle, and it features a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac under UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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BDL36045LV
Square D by Schneider Electric BDL36045LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range. It features a PowerPact B-Frame 100 TMD design with 3 poles (3P) and a rated current of 45A. This MCCB operates at a rated voltage of 600Vac 600Y/347Vac and a DC voltage of 250Vdc, with an impulse voltage rating (Uimp) of 8 kV. It is equipped with Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only, offering a degree of protection of IP40. The device has a fixed mounting mode on DIN rail or can be individually mounted on a plate, with dimensions of 137 mm in height, 80 mm in depth, and 81 mm in width. It is designed for a utilisation category A and has a mechanical durability of 20,000 operations at no load and an electrical durability of 10,000 operations with load (440Vac; In). The protection settings include over-current fixed at 45A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. Its protection functions cover thermal protection (Overload) and magnetic protection (Short-circuit), with a trip current rating of 45 AT and a frame current rating of 100 AF. The operating mode is manual toggle, and the trip unit type is Thermal-Magnetic (fixed) without a display. The short circuit breaking rating varies with voltage: 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac, all according to UL489 standards.
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BDL36035LV
Square D by Schneider Electric BDL36035LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD design. It is a 3-pole (3P) device with a rated current of 35A and a rated voltage of 600Vac 600Y/347Vac. The breaker is equipped with Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only, offering a connection type designed for robustness. It has a rated impulse voltage (Uimp) of 8 kV and provides a degree of protection of IP40. The MCCB is designed for fixed mounting on a DIN rail or as an individual unit mount on a plate, with dimensions of 137 mm in height, 80 mm in depth, and 81 mm in width. It offers protection settings including over-current fixed at 35A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A, with protection functions for thermal (overload) and magnetic (short-circuit) events. The breaker's trip unit type is thermal-magnetic (fixed) without a display, and it operates via a toggle (manual) mechanism. Its mechanical durability is rated at 20,000 operations at no load, and its electrical durability at 10,000 operations with load (440Vac; In). The frame current rating is 100 AF, with a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac under UL489 standards.
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BDL36020LV
Square D by Schneider Electric BDL36020LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 3P 20A 600Y/347Vac 14kA design. It includes Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only, offering a degree of protection rated at IP40. This MCCB has a rated current of 20A and operates at a rated voltage of 600Vac 600Y/347Vac, with a mechanical durability of 20,000 operations when unloaded. It can be mounted either on a DIN rail or as an individual unit on a plate, featuring three poles (3P) and dimensions of 137 mm in height, 80 mm in depth, and 81 mm in width. The utilisation category is A, with protection settings including over-current fixed at 20A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. It has a rated voltage for DC applications at 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. The protection functions encompass thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 20 AT. Its electrical durability with load is rated at 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is manual toggle, with a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac, 18kA at 480Y/277Vac, 14kA at 600Y/347Vac under UL489, and 10kA at 250Vdc under UL489. The trip unit type is thermal-magnetic (fixed) without a display.
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BDL26100LV
Square D by Schneider Electric BDL26100LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 2P 100A design for 600Y/347Vac with a 14kA breaking capacity and Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only. It has a rated impulse voltage (Uimp) of 8 kV, an IP40 degree of protection, and a rated current of 100A. The rated voltage for AC is 600Vac 600Y/347Vac, with a mechanical durability of 20,000 operations. This MCCB is designed for fixed mounting on a DIN rail or as an individual unit mount on a plate, featuring 2 poles (2P), a net height of 137 mm, a utilisation category of A, a net depth of 80 mm, and a net width of 54 mm. It offers protection settings for over-current fixed at 100A, short-circuit hold current fixed at 1000A, and short-circuit trip current fixed at 1500A. The rated voltage for DC is 250Vdc, with a rated insulation voltage (Ui) of 800 V, and a rated operating voltage (Ue) of 525 V. Protection functions include thermal protection for overload and magnetic protection for short-circuit, with a trip current rating of 100 AT. Its electrical durability with load is rated for 10,000 operations at 440Vac; In, and it has a frame current rating of 100 AF. The operating mode is toggle (manual), with a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac under UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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BDL26030LV
Square D by Schneider Electric BDL26030LV is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 100 TMD 2P 30A 600Y/347Vac with a 14kA rating and Everlink (Creep compensating) lugs on both line and load sides, plus a Control Wire terminal (CWT) on the load side only. It has a rated impulse voltage (Uimp) of 8 kV and offers an IP40 degree of protection. The rated current is 30A, with a rated voltage (AC) of 600Vac 600Y/347Vac. This MCCB has a mechanical durability of 20,000 operations at no load and can be mounted either on a DIN rail or as an individual unit on a plate. It features 2 poles (2P), with dimensions of 137 mm in height, 80 mm in depth, and 54 mm in width. The utilisation category is A, and it includes over-current protection fixed at 30A, short-circuit hold current fixed at 400A, and short-circuit trip current fixed at 600A. The rated voltage (DC) is 250Vdc, with a rated insulation voltage (Ui) of 800 V and a rated operating voltage (Ue) of 525 V. Protection functions include thermal protection for overload and magnetic protection for short-circuits, with a trip current rating of 30 AT. Its electrical durability with load is rated for 10,000 operations at 440Vac; In. The frame current rating is 100 AF, and it operates via a toggle (manual) mode. The short circuit breaking rating varies by voltage, with 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, and 14kA at 600Y/347Vac under UL489 standards. The trip unit type is thermal-magnetic (fixed) without a display.
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BDL16125LH
Square D by Schneider Electric BDL16125LH is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT BDL sub-range, featuring a PowerPact B-Frame 125 TMD 1P-1t design. It has a rated current of 125A and operates at a rated voltage of 600Vac 600Y/347Vac, with a rated impulse voltage (Uimp) of 8 kV. The connection type utilizes aluminium lugs on both load and line sides, and it offers a degree of protection of IP40. This MCCB is designed for fixed mounting on a DIN rail or as an individual unit mount on a plate, and it is a 1-pole (1P) device with dimensions of 137 mm in height, 80 mm in depth, and 27 mm in width. It falls under utilisation category A and features over-current protection fixed at 125A, short-circuit hold current protection fixed at 1000A, and short-circuit trip current protection fixed at 1500A. The rated insulation voltage (Ui) is 800 V, with a rated operating voltage (Ue) of 240 V, and it includes thermal protection for overload and magnetic protection for short-circuits. The trip current rating is 125 AT, and it has a frame current rating of 125 AF. The operating mode is manual toggle, and it has a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac and 480Y/277Vac, 14kA at 600Y/347Vac, and 10kA at 250Vdc, all according to UL489 standards. The trip unit type is thermal-magnetic (fixed) with no display.
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Molded Case Circuit Breakers (MCCB)

General Guide & Overview

Understanding the dynamics of electrical safety necessitates a thorough knowledge of molded case circuit breakers, commonly known as MCCBs. They play a crucial role in the protection against electrical hazards, including fires and shocks. But, what is a molded case circuit breaker? This protective device is meticulously crafted to interrupt current flow in the event of excessive loads, ensuring the sanctity of the electrical systems it safeguards. The significance of MCCBs can't be understated, considering they follow stringent guidelines set by the National Electrical Code® (NEC®) and align with the requirements of UL 489 standards.

Diving into what is an MCCB reveals a versatile range of products. From ground fault to arc-fault circuit interrupters and from devices catered to photovoltaic systems to robust surge-protective devices, the MCCB's adaptability is as extensive as its utility. But how does a molded case circuit breaker work? Whether utilizing classic thermal magnetic trip mechanisms or sporting advanced electronic units, MCCBs are engineered to detect and respond to thermal overloads, short circuits, and ground faults with precision. Their distinct features, prescribed by UL standards, ensure that these indispensable components fulfill their protective role in diverse applications with efficacy and reliability.

Understanding Molded Case Circuit Breakers (MCCB)

Exploring the intricate realm of electrical safety, it's essential to address a common inquiry: what is the difference between MCB and MCCB circuit breakers? Minature Circuit Breakers (MCBs) are suitable for domestic applications, offering protection to individual circuits. In contrast, Molded Case Circuit Breakers (MCCBs) serve a more robust purpose in industrial environments. This distinction is pivotal in electrical engineering, impacting how we safeguard our systems from overloads and faults.

The function of an MCCB within electrical frameworks is profound. Its core responsibility lies in integrating a temperature-sensitive element with an electromagnetic component. Together, these create a robust defense mechanism against excessive current flows. Such integration is precisely executed to promptly interrupt the circuit when potential dangers like thermal overloads, short circuits, and ground faults emerge.

Evaluating MCCB vs MCB, one can recognize the vast capabilities of MCCBs to handle higher power systems and a broader range of current ratings. The MCCB's construction is a matrix of precision-engineered mechanisms designed to detect abnormal currents. A bimetallic strip within the breaker warms up under excessive current flow, bending to instigate a trip action - a fundamental aspect of what is the MCCB function.

Imagine a scenario where high currents surge through a system due to an insulation failure. Here, the MCCB's electromagnet responds instantaneously, actuating a trip and consequently mitigating the risk of damage. The difference between MCB and MCCB becomes apparent in their response to these events, emphasizing the latter's suitability for comprehensive protection in more demanding electrical infrastructures.

The evolution of MCCBs embraces the incorporation of ground fault protection directly into the trip unit, highlighting their advanced capabilities. Embracing such advancements ensures that MCCBs remain at the forefront of circuit protection technology. Fully grasping the mccb in electrical systems means recognizing its essential role in maintaining the integrity and safety of today's complex power networks.

Molded Case Circuit Breakers (MCCB) in Electrical Systems

The protection and management of electrical systems are pivotal, and when dissecting the intricacies of these systems, one frequently encounters the comparison of mcb vs mccb. The distinction between the two is substantial, with MCCBs bearing a design for higher capacity and adaptability, a clear choice for comprehensive system protection. A crucial feature, the mccb function, resides in its ability to safeguard against various fault conditions while supporting multiple applications, from residential complexes to grand scale industrial layouts. In essence, understanding what is molded case circuit breaker invites recognition of a device formed to interrupt excessive currents swiftly, thereby preserving the integrity of the electrical circuit it serves.

At the core of their operation, MCCBs are engineered to be resilient. They exhibit a multitude of trip characteristics suitable for unique environments and load profiles. Whether it be a surge within a domestic dwelling or an industrious leap in an assembly line, the MCCB interrupts these irregular currents promptly to avert probable mishaps. This dynamic performance, teamed with their adaptability, underscores the importance of mccb application in diverse electrical systems, affirming their role as indispensable components in modern power management and safety frameworks.

Advancements in technology have ensured that MCCBs are not left behind. Their proficiency now extends to safeguarding systems integrative of renewable energies, such as photovoltaic setups, and those reliant on novel power storage solutions. Given their inherent modular structure, these circuit breakers provide flexibility and reliability, reflecting their readiness to evolve in step with electrical advancements. The divergent milieu of electrical environments finds a common sentinel in MCCBs, echoing their universal presence and paramount significance in electrical safety.

FAQ

What is a Molded Case Circuit Breaker (MCCB)?

An MCCB is a type of electrical protection device that can automatically cut off electrical power when it detects an overload, short circuit, or ground fault. It's designed to protect an electrical circuit from damage caused by excess current resulting from an overload or a short circuit.

How does a Molded Case Circuit Breaker work?

An MCCB functions by combining thermal and magnetic trip elements. The thermal component, usually a bimetal strip, responds to prolonged overload conditions by bending and triggering the trip mechanism, while the magnetic element activates almost instantly in severe short-circuit conditions to protect the circuitry.

What is the difference between MCB and MCCB?

The key difference lies in their capacity and applications. MCBs, or Miniature Circuit Breakers, are designed for lower power applications and typically offer lower interrupting current ratings. MCCBs, on the other hand, are suitable for higher power applications and can handle higher current ratings, making them ideal for industrial or commercial installations.

What does MCCB stand for?

MCCB stands for Molded Case Circuit Breaker, which refers to the type of casing that encapsulates the internal components, providing a robust barrier against mechanical and environmental factors.

What is the function of an MCCB?

The primary function of an MCCB is to provide protection by interrupting the flow of electricity in the event of an overload or a fault condition, such as a short circuit or a ground fault. It safeguards electrical circuits by preventing damage to equipment and reducing the risk of electrical fires or shocks.

What are the applications of MCCBs in electrical systems?

MCCBs are versatile and are used in a variety of electrical systems ranging from residential to industrial settings. They are essential in environments where high-rated currents are used and are ideal for circuit protection in power distribution networks, such as transformer protection, backup protection, and capacitor bank protection.