Schneider Electric Thermal Overload Relay 600V AC, Adjustable, Screw Terminal LR3D22

Schneider Electric LR3D22 Thermal Overload Relay is designed for reliable protection of AC electrical circuits, especially motors, against overloads, phase failure, long starts, and stalling. It features a three-pole construction, enabling robust performance for industrial, manufacturing, and automation environments.

The relay employs an adjustable setting dial, allowing tailored protection settings according to motor load specifications. It includes a test button and a stop button to facilitate convenient operational checks and safety measures.

This model supports manual or automatic reset options, delivering flexibility in control and system recovery protocols. The sealable cover enhances security by preventing unauthorized adjustments, maintaining system integrity in industrial applications.

It comes with one normally open and one normally closed auxiliary contact, expanding its functionality and ease of integration within control circuits. The device supports direct mounting beneath three-pole contactors or independent installation on DIN rails, simplifying assembly and maintenance.

Technically, the relay has a supply voltage rating of 600V AC, insulation voltage of 600V, and withstands voltage peaks up to 6kV. It operates effectively across temperatures ranging from -20°C to 60°C, making it suitable for a broad range of operational environments.

The unit's compact dimensions (43.5mm width, 55mm length, and 98mm depth) facilitate installation in limited spaces within control panels. Operates at supply voltage of 600V AC for industrial applications. Three-pole design suitable for motor protection.

Adjustable relay setting dial for precise overload protection. Manual or automatic reset options available. Includes sealable cover to prevent tampering. Equipped with 1 normally open and 1 normally closed auxiliary contacts.

Direct or DIN rail mounting configurations. Rated insulation voltage of 600V with 6kV withstand voltage. Wide operating temperature range from -20°C to 60°C. Compact size for easy panel integration.

This Thermal Overload Relay is ideal for use in industrial automation, manufacturing plants, HVAC control systems, water treatment facilities, and any application requiring motor protection from electrical overloads. Schneider Electric’s reputation for high quality ensures dependable performance and longevity.

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