| 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 LC1D12 LC1D18 LC1D25 LC1D32 LC1D38 |
| network type | AC DC |
| thermal protection adjustment range | 2.5...4 A |
| [Ui] rated insulation voltage | 600 V power circuit conforming to CSA 600 V power circuit conforming to UL 690 V power circuit 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 for reset mode |
| 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 |
| product weight | 0.124 kg |
| 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 IEC 60068-2-6 Shocks 15 Gn for 11 ms IEC 60068-2-7 |
| dielectric strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
| standards | ATEX D 94/9/CE EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 UL 508 CSA C22.2 No 14 |
| product certifications | ATEX INERIS BV CCC CSA DNV GL GOST LROS (Lloyds register of shipping) RINA UL |
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