Schneider LRE483 Thermal Overload Relay 124 A – 198 A Class 10A - LRE483
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Schneider LRE483 Thermal Overload Relay 124 A – 198 A Class 10A
Schneider LRE483 Thermal Overload Relay 124 A – 198 A Main Specification
- EasyPact range
- EasyPact TVS product name
- Differential thermal overload relay product type
- LRE device’s short name
- Motor protection relay application
- Tripping current 130 % of Ir on two phase, the last one at 0 phase failure sensitivity conforming to IEC 60947-4-1
Complementary
- LC1E160 – LC1E630 product compatibility
- AC network type
- 50…60 Hz network frequency
- Under contactor & Plate mounting support
- Thermal overload class 10AÂ conforming to IEC 60947-4-1
- Relay trip indicator signalling function
- 124 A – 198 A thermal protection adjustment range
- 1.14 +/- 0.06 Ir tripping threshold 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
- 1 NO + 1 NC auxiliary contact composition
- 5 A conventional free air thermal current for signalling circuit
- Rated operational voltage <= 690 V AC
- Associated fuse rating:
- 250 A gG for power circuit
- 200 A aM for power circuit
- 5 A gG for signalling circuit
- 690 V rated insulation voltage conforming to IEC 60947-4-1
- 6 kV rated impulse withstand voltage
- Trip indicator local signalling
- Control type:
- Push-button red stop
- Push-button green reset
- -20…60 °C temperature compensation
- 48 mm connection pitch
- 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: lugs
- Power circuit: bars – busbar cross section: 4 x 25 mm
- Recommended tightening torque:
- Power circuit: 35 N.m – on bars M10
- Power circuit: 35 N.m – on lugs M10
- Signalling circuit: 1.7 N.m – on screw clamp terminals
Environment
- Standards:
- IEC 60947-5-1
- IEC 60947-4-1
- EAC product certifications
- TH protective treatment conforming to IEC 60068
- IP00 conforming to IEC 60529
- Ambient air temperature for operation:
- -20…60 °C without derating conforming to IEC 60947-4-1
- -20…70 °C with derating
- -60…80 °C ambient air temperature for storage
- 850 °C fire resistance conforming to IEC 60068-2-1
- 6 kV at 50 Hz dielectric strength conforming to IEC 60255-5
- Surge withstand: 6 kV electromagnetic compatibility conforming to IEC 60801-5
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