Schneider Electric TeSys LRD Thermal Overload Relays 48-65A Class 10A LRD3359
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Brand : Schneider Electric
Type : Thermal Overload Relays
Description
Schneider Electric LRD3359 TeSys LRD Thermal Overload Relay is a protective device used in electrical circuits to prevent motors or other equipment from overheating and potentially causing damage or fires. 48-65A is the range of current that the thermal overload relay is designed to handle. It is designed for a current range between 48 and 65 amperes.
Class 10A is the tripping class of the thermal overload relay. Tripping class is an important parameter as it defines how quickly the relay will trip in response to an overload condition. Class 10A indicates a relatively fast tripping time for moderate overload conditions.
In practical terms, Schneider Electric LRD3359 TeSys LRD Thermal Overload Relay with a current rating of 48-65A and a Class 10A tripping characteristic would be suitable for protecting a motor or equipment that operates within the specified current range and where a relatively quick response to overload conditions is desired.
Features
- 48-65A 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 | LRD3359 |
| Conventional Free Air Thermal Current | 5 A for Signalling Circuit |
| Rated Insulation Voltage | Power Circuit: 1000 V conforming to IEC 60947-4-1, power circuit: 600 V conforming to CSA, power circuit: 600 V conforming to UL |
| Rated Impulse Withstand Voltage | 6 kV conforming to IEC 60947-1 |
| 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 | power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible without cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible with cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² solid without cable end, 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 |
| Control Type | Red Push-button: stop, blue push-button: reset |
| Depth | 115mm |
| Dielectric Strength | 2.2 kV at 50 Hz conforming to IEC 60947-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Height | 81mm |
| IP Degree Of Protection | IP20 Conforming to IEC 60529 |
| Mechanical Robustness | vibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
| Mounting Support | Plate, with specific accessories, rail, with specific accessories, under contactor |
| Network Frequency | 0...400 Hz |
| Network Type | DC, AC |
| Permissible Current | 0.72 A at 500 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, ATEX INERIS, UKCA |
| Compatibility | LC1D80, LC1D95 |
| Range | TeSys, TeSys Deca |
| Rated Operational Voltage Limits | 1000 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: 9 N.m - on screw clamp terminals |
| Width | 70 mm |
| Temperature Compensation | -20-60 °C |
| Thermal Overload Class | Class 10A conforming to IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 48-65 A |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Ambient Air Temperature For Operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
| Weight | 0.51 kg |
