
Specification:
| range | TeSys | |
|---|---|---|
| product name | TeSys LRD | |
| product or component type | Differential thermal overload relay | |
| device short name | LRD | |
| relay application | Motor protection | |
| product compatibility | LC1D09 LC1D32 LC1D38 LC1D12 LC1D18 LC1D25 | |
| network type | DC AC | |
| thermal protection adjustment range | 4…6 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 | 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 |