Descripción
| range |
TeSys
|
|
|---|---|---|
| product name |
TeSys LRD
|
|
| product or component type |
Differential thermal overload relay
|
|
| device short name |
LRD
|
|
| relay application |
Motor protection
|
|
| product compatibility |
LC1D65A
LC1D50A LC1D40A |
|
| network type |
DC
AC |
|
| thermal protection adjustment range |
37…50 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 |
| 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 |
0.95 A at 380 V AC-15 for signalling circuit
0.06 A at 440 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: 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 |
|
| tightening torque |
Control circuit: 1.7 N.m – on screw clamp terminals
Power circuit: 5 N.m – on EverLink BTR screw connectors |
|
| height |
70 mm
|
|
| width |
55 mm
|
|
| depth |
123 mm
|
|
| product weight |
0.375 kg
|
