LR9F7581 Schneider Electric Electronic Components
Part#:LR9F7581
Manufacturer:Schneider Electric
Product Lifecycle:Active
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Schneider Electric LR9F7581 is an electronic thermal overload relay designed for advanced protection with a rated current range of 380-630 A. It features a 3-pole configuration and offers connection types including upstream and outgoing cables via lugs and a control circuit through a screw-clamp. This part of the LR9F sub-range provides protection functions classified as Class 20, ensuring precise response to overload conditions. The LR9F7581 is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts for comprehensive circuit control. It operates on a supply voltage of 24 V DC and supports a rated voltage for AC phase-to-phase connections at 1000 V (50/60Hz). The protection settings for thermal overload are adjustable within the range of 380-630A, accommodating a minimum current of 380 A and a maximum current of 630 A.
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Product Details
- Control Type Dial White full-load current adjustment Test button Red Push-button Red reset Push-button stop
- 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 Power circuit 58 N.m screw clamp terminals
- Mounting Support Direct on contactor Plate
- Product Compatibility LC1F400...LC1F630 LC1F800
- Depth 5.02 in (127.6 mm)
- [Uimp] Rated Impulse Withstand Voltage 8 kV IEC 60947-1
- Net Weight 9.17 lb(US) (4.16 kg)
- Width 7.60 in (193 mm)
- Height 9.01 in (228.8 mm)
- Maximum Voltage Drop <2.5 V closed state
- Reset Manual reset
- Switching Capacity For Alarm 0...150 mA
- Temperature Compensation -4…158 °F (-20…70 °C)
- Current Consumption <= 5 mA no-load
- Local Signalling Trip indicator
- [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
- [Ith] Conventional Free Air Thermal Current 5 A control circuit
- Phase Failure Sensitivity Tripping in 4 s +/- 20 % IEC 60947-4-1
- Surge Withstand 4 kV IEC 61000-4-5
- Contacts Type And Composition 1 NO + 1 NC
- Tripping Threshold 1.12 +/- 0.06 In tripping IEC 60947-4-1
- Network Frequency 50/60 Hz
- Signalling Function Pre-alarm indicator
- Thermal Protection Adjustment Range 380…630 A
- Relay Application Motor protection
- Thermal Overload Class Class 20 IEC 60947-4
- Network Type AC
- Product Or Component Type Electronic thermal overload relay
- Product Name TeSys LRF
- Device Short Name LR9F
- Range TeSys
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents LR9F7581 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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