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LRD340 | TeSys LRD Thermal Overload Relays – 30…40 A – Class 10A – Schneider Electric
Product Overview
The LRD340 is a thermal overload relay from Schneider Electric’s TeSys LRD series, designed to protect motors and other electrical equipment from overheating and overcurrent conditions. It is suitable for applications with a current range of 30 to 40 A and features a class 10A tripping characteristic.
Key Features
- Current Range: 30…40 A
- Tripping Class: Class 10A
- Mounting: Can be mounted directly on TeSys D contactors or separately
- Adjustable Settings: Allows for precise adjustment of the tripping current
- Manual/Auto Reset: Offers both manual and automatic reset options
- Ambient Temperature Compensation: Ensures reliable operation across a wide range of temperatures
- Compatibility: Compatible with TeSys D contactors for seamless integration
- Safety: Provides reliable protection against motor overloads, phase loss, and phase unbalance
- Durability: Robust construction ensures long service life
Technical Specifications
| Parameter | Value |
|---|---|
| Current Range | 30…40 A |
| Tripping Class | 10A |
| Mounting Type | Direct or separate mounting |
| Reset Type | Manual/Auto |
| Ambient Temperature | -20°C to +60°C |
| Compatibility | TeSys D contactors |
| Standards | IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14 |
Applications
The LRD340 thermal overload relay is ideal for use in various industrial and commercial applications, including:
- Motor protection in HVAC systems
- Pump and fan control
- Conveyor systems
- Machine tools
- Compressors
Additional Information
For more detailed technical information, installation guidelines, and safety instructions, please refer to the official Schneider Electric product manual or contact their customer support.
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