TeSys LRD thermal overload relays - 5.5...8 A - class 10A
Main
range
TeSys
product name
TeSys LRD
product or component type
Differential thermal overload relay
device short name
LRD
relay application
Motor protection
product compatibility
LC1D18 LC1D25 LC1D32 LC1D12 LC1D09 LC1D38
network type
DC AC
thermal protection adjustment range
5.5…8 A
[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
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
[Ith] conventional free air thermal current
5 A 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
[Ue] rated operational voltage
690 V AC 0...400 Hz
[Uimp] rated impulse withstand voltage
6 kV
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
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) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end
tightening torque
Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.7 N.m - on screw clamp terminals
width
45 mm
depth
70 mm
net weight
0.124 kg
Environment
protective treatment
TH conforming to IEC 60068
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
6 kV at 50 Hz conforming to IEC 60255-5
standards
IEC 60947-5-1 CSA C22.2 No 14 ATEX D 94/9/CE EN 60947-4-1 UL 508 EN 60947-5-1 IEC 60947-4-1
product certifications
LROS (Lloyds register of shipping) GOST DNV ATEX INERIS CCC GL CSA UL BV RINA
