Schneider Electric TeSys LRD Thermal Overload Relays 17-25A Class 10A LRD325
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Brand : Schneider Electric
Type : Thermal Overload Relays
Description
Schneider Electric LRD325 TeSys LRD Thermal Overload Relay is a protective device used in electrical systems to prevent overheating of motors or other equipment. It is designed to protect electrical circuits with a current range between 17 and 25 amperes. It is important to choose a thermal overload relay that matches the current rating of the motor or equipment it is protecting.
Thermal overload relay indicates the response time of the relay to an overload condition. In this case, Class 10 indicates that the relay will trip (activate the protective mechanism) when the current exceeds the specified threshold for a relatively short period of time. Class 10A relays are designed to trip within 10 seconds when subjected to an overload condition.
Features
- 17-25A Th Overload Relay
- Protect motors from overloads and phase failures
- Easier to install and operate with multi-standard screws
| Brand | Schneider Electric |
| Item Name | Thermal Overload Relays |
| Model | LRD325 |
| Conventional Free Air Thermal Current | 5 A for Signalling Circuit |
| 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 |
| 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 | -60-70 °C |
| Associated Fuse Rating | 4 A gG for signalling circuit, 4 A BS for signalling circuit |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Climatic Withstand | Conforming to IACS E10 |
| Compatibility Code | LRD |
| 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 |
| Control Type | Red Push-button: stop, blue push-button: reset |
| Depth | 123 mm |
| Dielectric Strength | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Height | 70 mm |
| IP Degree Of Protection | IP20 Conforming to IEC 60529 |
| Mechanical Robustness | shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7, vibrations: 4 gn conforming to IEC 60068-2-6 |
| Mounting Support | Plate, with specific accessories, rail, with specific accessories, under contactor |
| Network Frequency | 0...400 Hz |
| Network Type | DC, AC |
| Permissible Current | 0.95 A at 380 V AC-15 for signalling circuit, 0.06 A at 440 V DC-13 for signalling circuit |
| Phase Failure Sensitivity | Tripping Current 130 % of Ir on two phase, the last one at 0 |
| Certifications | IEC, UL, CSA, CCC, EAC, DNV-GL, RMRS, EU-RO MR, LROS (Lloyds register of shipping), ATEX INERIS, UKCA |
| Compatibility | LC1D40A, LC1D65A, LC1D50A |
| Range | TeSys, TeSys Deca |
| Rated Operational Voltage Limits | 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
| Relay Application | Motor Protection |
| 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 |
| Tightening Torque | control circuit: 1.7 N.m - on screw clamp terminals, power circuit: 5 N.m - on EverLink BTR screw connectors |
| Width | 55 mm |
| Temperature Compensation | -20-60 °C |
| Thermal Overload Class | Class 10A conforming to IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 17-25 A |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Weight | 0.375 kg |
