EasyPact TVS differential thermal overload relay 394...630 A - class 10A
LRE489
Description
The LRE relay is a differential thermal overload relays for use with fuses or magnetic circuit-breakers GV2 L and GV3 L. Its thermal setting range is 394-630A 50/60Hz and the tripping class is 10A conforming to IEC 60947-4-1. It can be direct mounted on EasyPact TVS contactors with directly connected by connector. It protects unbalanced loads and motors with 250 - 355kW at 400VAC. It provides manual or automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach).
Product Details
| [ue] Rated Operational Voltage | <= 690 V AC |
|---|---|
| [ui] Rated Insulation Voltage | 690 V conforming to IEC 60947-4-1 |
| [uimp] Rated Impulse Withstand Voltage | 6 kV |
| Ambient Air Temperature for Operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
| Ambient Air Temperature for Storage | -60-80 °C |
| Connection Pitch | 80 mm |
| Control Type | push-button red stop: |
| Depth | 148 mm |
| Device Short Name | LRE |
| Dielectric Strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
| Electromagnetic Compatibility | surge withstand: 6 kV conforming to IEC 60801-5 |
| Fire Resistance | 850 °C conforming to IEC 60068-2-1 |
| Height | 150 mm |
| Ip Degree of Protection | IP00 conforming to IEC 60529 |
| Mechanical Robustness | shocks: 6 Gn for 11 ms conforming to IEC 60068-2-7 |
| Mounting Support | under contactor |
| Net Weight | 3.9 kg |
| Network Frequency | 50...60 Hz |
| Network Type | AC |
| Product Certifications | EAC |
| Product Compatibility | LC1E500...630 |
| Product Name | EasyPact TVS |
| Product or Component Type | differential thermal overload relay |
| Range | EasyPact |
| Standards | IEC 60947-4-1 |
| Tightening Torque | power circuit: 58 N.m - on bars M12 |
| Width | 242 mm |
| Connections - Terminals | signalling circuit: screw clamp terminals 2 1-2.5 mm² - cable stiffness: flexible without cable end |
| [ith] Conventional Free Air Thermal Current | 5 A for signalling circuit |
| Associated Fuse Rating | 1000 A gG for power circuit |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Local Signalling | trip indicator |
| Phase Failure Sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 conforming to IEC 60947-4-1 |
| Protective Treatment | TH conforming to IEC 60068 |
| Relay Application | motor protection |
| Signalling Function | relay trip indicator |
| Temperature Compensation | -20-60 °C |
| Thermal Overload Class | class 10A conforming to IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 394-630 A |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
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