Standards
EN/IEC 60947-4-1; EN/IEC 60947-5-1; UL 60947-4-1; UL 60947-5-1; CSA C22.2 No 60947-4-1; CSA C22.2 No 60947-5-1; GB/T 14048.4; GB/T 14048.5; EN 50495
Thermal Overload Class
Class 10A IEC 60947-4-1
Mounting Support
Plate, with specific accessories; Rail, with specific accessories; Under contactor
Thermal Protection Adjustment Range
30 to 40 A
Product Or Component Type
Differential thermal overload relay
Rated Insulation Voltage
Power circuit 600 V CSA; Power circuit 600 V UL; Power circuit 690 V IEC 60947-4-1
Tightening Torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals; Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1
Control Type
Red push-button stop; Blue push-button reset
Flame Retardance
V1 conforming to UL 94
Connections - Terminals
Control circuit screw clamp terminals 2 0.00 to 0.00 in² (1 to 2.5 mm²) flexible without cable end; Control circuit screw clamp terminals 2 0.00 to 0.00 in² (1 to 2.5 mm²) flexible with cable end; Control circuit screw clamp terminals 2 0.00 to 0.00 in² (1 to 2.5 mm²) solid without cable end; Power circuit EverLink BTR screw connectors 1 0.00 to 0.05 in² (1 to 35 mm²) flexible without cable end; Power circuit EverLink BTR screw connectors 1 0.00 to 0.05 in² (1 to 35 mm²) flexible with cable end; Power circuit EverLink BTR screw connectors 1 0.00 to 0.05 in² (1 to 35 mm²) solid without cable end
Auxiliary Contact Composition
1 NO + 1 NC
Product Compatibility
LC1D65A; LC1D50A; LC1D40A
Rated Impulse Withstand Voltage
6 kV
Dielectric Strength
1.89 kV 50 Hz IEC 60947-1
Climatic Withstand
IACS E10
Rated Operational Voltage
690 V AC 0 to 400 Hz power circuit IEC 60947-4-1
Ambient Air Temperature For Operation
-4 to 140°F (-20 to 60°C) without derating IEC 60947-4-1
Phase Failure Sensitivity
Tripping current 130% of Ir on two phase, the last one at 0
Product Certifications
IEC; UL; CSA; CCC; EAC; DNV-GL; RMRS; EU-RO MR; LROS (Lloyds register of shipping); ATEX INERIS; UKCA
Permissible Current
0.95 A 380 V AC-15 signalling circuit; 0.06 A 440 V DC-13 signalling circuit
Relay Application
Motor protection
Conventional Free Air Thermal Current
5 A signalling circuit
Mechanical Robustness
Shocks15 Gn for 11 ms IEC 60068-2-7; Vibrations4 gn IEC 60068-2-6
Product Name
TeSys LRD; TeSys Deca
Ambient Air Temperature For Storage
-76 to 158°F (-60 to 70°C)
Associated Fuse Rating
4 A gG for signalling circuit; 4 A BS for signalling circuit
Temperature Compensation
-4 to 140°F (-20 to 60°C)
Network Frequency
0 to 400 Hz
IP Degree Of Protection
IP20 conforming to IEC 60529