Less than or Equal to 690 V power circuit; 690 V AC AC-15 signalling circuit; 250 V DC DC-13 signalling circuit
Network Type
AC; DC
Ambient Air Temperature For Operation
-4 to 131°F (-20 to 55°C) without derating IEC 60947; -22 to 140°F (-30 to 60°C) with derating IEC 60947
Product Certifications
UL; CSA; UKCA
Protective Treatment
TC IEC 60068; TC DIN 50016
Product Compatibility
LC1K; LP1K; LP4K; LC7K
Fire Resistance
1562°F (850°C) IEC 60695-2-1
Rated Impulse Withstand Voltage
6 kV
Phase Failure Sensitivity
Yes IEC 60947-4-1
Thermal Overload Class
Class 10A IEC 60947-4-1
Ambient Air Temperature For Storage
-40 to 158°F (-40 to 70°C)
Rated Insulation Voltage
Power circuit 690 V BS 4941; Power circuit 690 V IEC 60947; Power circuit 750 V VDE 0110 group C; Power circuit 600 V CSA C22.2 No 14
Associated Fuse Rating
6 A gG for signalling circuit conforming to VDE 0660; 6 A gG for signalling circuit conforming to IEC 60947
Conventional Free Air Thermal Current
6 A signalling circuit
Power Dissipation Per Pole
2 W
Network Frequency
Less than or Equal to 400 Hz
Connections - Terminals
screw clamp terminals 1 0.00 to 0.01 in² (1.5 to 4 mm²)solid; screw clamp terminals 2 0.00 to 0.01 in² (1.5 to 4 mm²)solid; screw clamp terminals 1 0.00 to 0.01 in² (0.75 to 4 mm²)flexible without cable end; screw clamp terminals 2 0.00 to 0.01 in² (0.75 to 4 mm²)flexible without cable end; screw clamp terminals 1 0.00 to 0.00 in² (0.34 to 2.5 mm²)flexible with cable end; screw clamp terminals 2 0.00 to 0.00 in² (0.34 to 1.5 mm²)flexible with cable end
Flame Retardance
V1 conforming to UL 94; Requirement 2 conforming to NF F 16-101; Requirement 2 conforming to NF F 16-102
Product Name
TeSys LRK
Relay Application
Motor protection
Local Signalling
Trip indicator Yellow)
Product Or Component Type
Differential thermal overload relay
Mechanical Robustness
Shocks NO contact10 Gn for 11 ms IEC 60068-2-27; Shocks NC contact10 Gn for 11 ms IEC 60068-2-27; Vibrations NO contact2 Gn, 5 to 300 Hz IEC 60068-2-6; Vibrations NC contact2 Gn, 5 to 300 Hz IEC 60068-2-6
Control Type
Red push-button trip test function; Blue push-button stop and manual reset; selector switch manual or automatic reset