Main
Device short name
LRD
Range
TeSys
TeSys Deca
thermal overload class
Class 20 conforming to IEC 60947-4-1
Product Name
TeSys LRD
TeSys Deca
[ui] rated insulation voltage
Power circuit: 600 V conforming to CSA
Power circuit: 600 V conforming to UL
Power circuit: 690 V conforming to IEC 60947-4-1
Relay application
Motor protection
thermal protection adjustment range
37…50 A
Complementary
product compatibility
LC1D50A
LC1D65A
LC1D40A
[ue] rated operational voltage
690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
[ith] conventional thermal current
5 A for signalling circuit
Control type
Red push-button: stop
Blue push-button: reset
Product certifications
IEC
UL
CSA
CCC
EAC
DNV-GL
RMRS
EU-RO MR
LROS (Lloyds register of shipping)
UKCA
Handle front plate colour
70 mm
Product or component type
Differential thermal overload relay
tightening torque
Control circuit: 1.7 N.m - on screw clamp terminals
Power circuit: 5 N.m - on EverLink BTR screw connectors
[uimp] rated impulse withstand voltage
6 kV
Auxiliary contact composition
1 NO + 1 NC
temperature compensation
-20…60 °C
Connections - terminals
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: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible without cable end
Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible with cable end
Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² solid without cable end
Associated fuse rating
4 A gG for signalling circuit
4 A BS for signalling circuit
Permissible current
3 A at 120 V AC-15 for signalling circuit
0.22 A at 125 V DC-13 for signalling circuit
width (w)
55 mm
mechanical robustness
Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Vibrations: 4 gn conforming to IEC 60068-2-6
network frequency
0...400 Hz
Flame retardance
V1 conforming to UL 94
Net weight
0.375 kg
Mounting support
Plate, with specific accessories
Rail, with specific accessories
Under contactor
depth
123 mm
Network type
AC
DC
dielectric strength
1.89 kV at 50 Hz conforming to IEC 60947-1
Phase failure sensitivity
Tripping current 130 % of Ir on two phase, the last one at 0
Tripping threshold
1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Environment
Ambient air temp for storage/transportation
-60…70 °C
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
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