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Code: TELLRD04
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Thermal overload relay, TeSys Deca, 690VAC, 0.4 to 0.63A, 1NO+1NC, class 10A, screw clamp
TeSys LRD thermal overload relay, 0.63A/690V, thermal setting range 0.4-0.63A, tripping class 10A, for protection of 3-phase motors 0.12-0.18kW@400V. Differential device with phase failure (loss). It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine).
Technical Specifications:
| Main | |
| Range | TeSys |
| TeSys Deca | |
| product name | TeSys LRD |
| TeSys Deca | |
| Product or component type | Differential thermal overload relay |
| Device short name | LRD |
| Relay application | Motor protection |
| Product compatibility | LC1D25 |
| LC1D38 | |
| LC1D32 | |
| LC1D18 | |
| LC1D12 | |
| LC1D09 | |
| Network type | AC |
| DC | |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 0.4…0.63 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 |
| Auxiliary contact composition | 1 NO + 1 NC |
| [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 for power circuit conforming to IEC 60947-4-1 |
| Associated fuse rating | 4 A gG for signalling circuit |
| 4 A BS for signalling circuit | |
| [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 | |
| Height | 66 mm |
| Width | 45 mm |
| Depth | 70 mm |
| Product weight | 0.124 kg |
| Environment | |
| 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 |
| 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 | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| 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 | |
| GB/T 14048.4 | |
| GB/T 14048.5 | |
| EN 50495 | |
| Product certifications | IEC |
| UL | |
| CSA | |
| CCC | |
| EAC | |
| BV | |
| RINA | |
| DNV-GL | |
| LROS (Lloyds register of shipping) | |
| ATEX INERIS | |
| UKCA | |
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