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EasyPact TVS thermal overload relay LRE488 321...513A

  • Model: 004.030.097
Thermal relay LRE488
Manufacturer: Schneider Electric
EasyPact TVS thermal overload relay LRE488 with possible Imax calibration 321...513A and class 10A is designed to protect AC circuits and motors against:
  • overloads
  • phase failure
  • long starting time
  • prolonged stalled rotor condition
The thermal relay controls permanently the current driven by the motor. When this current exceeds the setting it's auxiliary contacts will change state, causing the motor to stop.
☎ Price by call

Specifications

Power circuit characteristics
Tripping class10A (standard IEC 60947-4-1 specifies a tripping time for 7.2 times the setting current Ir: class 10 A: between 2 and 10 seconds)
Rated insulation voltage690V
Rated impulse withstand voltage (Uimp)6kV
Frequency limits of the operating current50...60Hz
Setting range321...513A
Fuses to be used with relayaM - 500A
gG - 800A
Compatible with contactorLC1E400
LC1E500
LC1E630
Power circuit connection by bars or lugs
Pitch (without spreaders)55mm
Bars or cables with lugs (cross-section)5x30mm
ScrewsM10
Tightening torque35N·m
Auxiliary contact characteristics
Conventional thermal current5A
Max sealed consumption of the operating coils of controlled contactors0.72A/500VAC
Protection against short-circuits by gG or by GB25A
Connection by screw clamp terminals2х1...2,5mm2 - flexible cable without cable end
2х1...2,5mm2 - flexible cable with cable end
2х1...2,5mm2 - solid cable without cable end
Tightening torque1,7N·m
Environment
Degree of protectionIP00
Protective treatment"TH"
Storage temperature-60°C...+80°C
Normal operation temperature without derating-20°C...+60°C
Operation temperature with derating-20°C...+70°C
Operating positionany
Flame resistance850°C
Shock resistance6gn - 11ms
Vibration resistance3gn
Dielectric strength at 50Hz6kV
Operating characteristics
Temperature compensation-20°C...+60°C
Tripping threshold1,14±0,06 Ir A
Sensitivity to phase failuretripping current 130% of Ir on two phase, the last one at 0

Electrical diagram

214365AutoResetMan.TestAuto969598 97
Questions
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