LR9F57 Schneider Electric Electronic Components
Part#:LR9F57
Manufacturer:Schneider Electric
Product Lifecycle:Active
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Schneider Electric LR9F57 is an electronic thermal overload relay designed for protection and control within electrical circuits. It belongs to the LR9F sub-range and features a 3-pole configuration. The connection type for this part includes lugs for both upstream and outgoing cables, and a screw-clamp connection for the control circuit. It offers protection functions as a Class 20 electronic thermal overload relay, with rated current settings adjustable between 30-50 A. The protection settings for thermal overload are also within the 30-50A range. This part is equipped with 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It operates with a supply voltage of 24 V DC and has a rated voltage for AC phase-to-phase connections at 1000 V for frequencies of 50/60Hz. The minimum current rating is set at 30 A, with a maximum threshold of 50 A.
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Product Details
- Control Type Dial White full-load current adjustment Test button Red Push-button reset Push-button Red stop Selector switch load balancing Selector switch class 10/20
- Connections - Terminals Control circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) flexible - with cable end Control circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) solid Control circuit screw clamp terminals 1 0.00…0.01 in² (0.75…4 mm²) flexible
- Tightening Torque Control circuit 1.2 N.m screw clamp terminals Alarm circuit 0.45 N.m screw clamp terminals Power circuit 10 N.m screw clamp terminals
- Local Signalling Alarm Trip indicator
- Tripping Threshold 1.05 +/- 0.06 In alarm IEC 60947-4-1 1.12 +/- 0.06 In tripping IEC 60947-4-1
- Mounting Support Direct on contactor Plate
- Net Weight 1.95 lb(US) (0.885 kg)
- Maximum Voltage Drop <2.5 V closed state
- Depth 4.86 in (123.5 mm)
- Width 4.53 in (115 mm)
- Height 3.78 in (96 mm)
- Temperature Compensation -4…158 °F (-20…70 °C)
- Switching Capacity For Alarm 0...150 mA
- Reset Manual reset
- Current Consumption <= 5 mA no-load
- Phase Failure Sensitivity Tripping in 4 s +/- 20 % IEC 60947-4-1
- [Uimp] Rated Impulse Withstand Voltage 8 kV IEC 60947-1
- [Ith] Conventional Free Air Thermal Current 5 A control circuit
- [Ui] Rated Insulation Voltage Power circuit 1000 V AC IEC 60947-4
- [Ue] Rated Operational Voltage 1000 V AC 50/60 Hz power circuit VDE 0110 group C
- Contacts Type And Composition 1 NO + 1 NC
- Supply Voltage Limits 17…32 V alarm circuit)
- Surge Withstand 4 kV IEC 61000-4-5
- Signalling Function Pre-alarm indicator
- [Us] Rated Supply Voltage 24 V DC alarm circuit
- Network Frequency 50/60 Hz
- Range TeSys
- Thermal Overload Class Class 10/20 IEC 60947-4
- Network Type AC
- Relay Application Motor protection
- Product Compatibility LC1F115...LC1F185
- Product Or Component Type Electronic thermal overload relay
- Device Short Name LR9F
- Thermal Protection Adjustment Range 30…50 A
- Product Name TeSys LRF
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents LR9F57 Specs
1-year warranty
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Schneider Electric Disclaimer:
The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Schneider Electric Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Schneider Electric, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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