Manufacturer: Schneider Electric
Type: Differential Thermal Overload Relay
Model: LRD3357
Part No.: 051995
Rated operational voltage: 690 V AC
Thermal protection adjustment range: 37 … 50 A
Rated insulation voltage (Ui): 1000 V
Auxiliary contact composition: 1 Normally open, 1 Normally closed
Tightening torque: Control circuit: 1.7Â N.m on screw clamp terminals, Power circuit: 9Â N.m on screw clamp terminals
Relay application: Motor protection
Connections – terminals: screw clamp terminals
Operating Temperature: -20 … 60 °C
Degree of Protection: IP20
Dimensions: 81 x 70 x 115 mm