Description
Main
Range TeSys
product name TeSys LRD
TeSys Deca
Product or component type Differential thermal overload relay
Device short name LRD
Relay application Motor protection
Product compatibility LC1D150
network type DC
AC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment
range
110…140 A
[Ui] rated insulation voltage Power circuit: 1000 V conforming to IEC 60947-4-1
Complementary
Network frequency 0…400 Hz
Mounting support Plate, with specific accessories
Rail, with specific accessories
Under contactor
Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal
current
5 A for signalling circuit
Permissible current 0.06 A at 440 V DC-13 for signalling circuit
0.12 A at 600 V AC-15 for signalling circuit
[Ue] rated operational voltage 1000 V AC 0…400 Hz for power circuit conforming to IEC 60947-4-1
Associated fuse rating 4 A gG for signalling circuit
4 A BS for signalling circuit
[Uimp] rated impulse withstand
voltage
6 kV conforming to IEC 60947-1
Phase failure sensitivity Tripping current 130 % of Ir on two phase, the last one at 0
Control type Red push-button: stop
Blue push-button: reset
Temperature compensation -20…60 °C
Connections – terminals Power circuit: screw clamp terminals 1 cable(s) 4…35 mm² flexible with cable end
Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable
end
Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end
Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end
Power circuit: screw clamp terminals 1 cable(s) 4…50 mm² flexible without cable end
Power circuit: screw clamp terminals 1 cable(s) 4…50 mm² solid without cable end
Tightening torque Control circuit: 1.7 N.m – on screw clamp terminals
Power circuit: 9 N.m – on screw clamp terminals
Depth 132 mm
Net weight 0.9 kg
Environment
Climatic withstand conforming to IACS E10
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for
operation
-20…60 °C without derating conforming to IEC 60947-4-1
Ambient air temperature for
storage
-60…70 °C
Flame retardance V1 conforming to UL 94
Mechanical robustness Vibrations: 6 Gn conforming to IEC 60068-2-6
Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Dielectric strength 2.2 kV at 50 Hz conforming to IEC 60947-1
Standards EN/IEC 60947-4-1
EN/IEC 60947-5-1
GB/T 14048.4
GB/T 14048.5
EN 50495
Product certifications IEC
CCC
EAC
ATEX INERIS
