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  • LRE357N SCHNEIDER EasyPact TVS differential thermal overload relay 37...50 A - class 10A
Picture of LRE357N SCHNEIDER EasyPact TVS differential thermal overload relay 37...50 A - class 10A

LRE357N SCHNEIDER EasyPact TVS differential thermal overload relay 37...50 A - class 10A

The LRE relay is a differential thermal overload relays for use with fuses or magnetic circuit-breakers GV2 L and GV3 L. Its thermal setting range is 37-50A 50/60Hz and the tripping class is 10A conforming to IEC 60947-4-1. It can be direct mounted on EasyPact TVS contactors with screw clamp terminals connection. It protects unbalanced loads and motors with 22 - 30kW at 400VAC. It provides manual or automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach).
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Manufacturer: Schneider
SKU: NSRN663
560.00 (SAR)
140.00 (SAR)
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Specifications

Main
Range Easy TeSys
Range of product Easy TeSys Protect
Product or component type Differential thermal overload relay
Device short name LRE
Relay application Motor protection
Phase failure sensitivity Tripping current 130 % of Ir on two phase, the last one at 0 conforming to IEC 60947-4-1
Complementary
Product compatibility LC1E50...95
Network type AC
Network frequency 50...60 Hz
Mounting support Under contactor
Plate, with specific accessories
Rail, with specific accessories
Thermal overload class Class 10A conforming to IEC 60947-4-1
Signalling function Relay trip indicator
Thermal protection adjustment range 37…50 A
Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Mechanical robustness Shocks: 6 Gn for 11 ms conforming to IEC 60068-2-7
Vibrations: 3 GN conforming to IEC 60068-2-6
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A for signalling circuit
[Ue] rated operational voltage <= 690 V AC
Associated fuse rating 100 A gG for power circuit
63 A aM for power circuit
5 A gG for signalling circuit
[Ui] rated insulation voltage 690 V conforming to IEC 60947-4-1
[Uimp] rated impulse withstand voltage 6 kV
Local signalling Trip indicator
Control type Push-button red stop:
Push-button green reset:
Temperature compensation -20…60 °C
Connections - terminals Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible without cable end
Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end
Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: solid without cable end
Power circuit: screw clamp terminals 1 4…35 mm² - cable stiffness: flexible without cable end
Power circuit: screw clamp terminals 1 4…35 mm² - cable stiffness: flexible with cable end
Power circuit: screw clamp terminals 1 4…35 mm² - cable stiffness: solid without cable end
Recommended tightening torque Power circuit: 9 N.m - on screw clamp terminals
Signalling circuit: 1.7 N.m - on screw clamp terminals
height 54 mm
Width 70 mm
Depth 113 mm
Net weight 0.46 kg
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