Schneider Electric LRD Thermal Overload Relay 1 NO/1 NC 12A 18A F.L.C 18A Contact Rating 7.5 kW 3-Pole LRD21

Schneider Electric LRD21 Thermal Overload Relay 1 NO/1 NC is an essential protective device designed for safeguarding electric motors in industrial and commercial settings. Rated for 12 to 18 Amps full load current (F.L.C), and suitable for motors up to 7.5 kW, this relay ensures reliable motor overload protection with precision and durability.

The device features a 3-pole configuration enabling effective control of three-phase motors. It is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, facilitating seamless integration into control circuits. The adjustable current range from 12 to 18 Amps allows customization to various motor load requirements.

Screw terminal connections provide secure and dependable electrical contact, enhancing operational reliability. The relay supports both automatic and manual reset methods, giving operators flexibility to reset the device either remotely or on-site after tripping due to overload conditions.

This compact relay, with dimensions of 66 mm height, 45 mm width, and 70 mm depth, is suitable for installations where space is limited. It is rated for operation over a wide temperature range of -20°C to +60°C, making it suitable for various industrial environments including manufacturing plants, HVAC systems, and heavy machinery control.

The relay is designed to handle contact voltages up to 690V AC, making it appropriate for robust industrial motor applications. It conforms to numerous international safety and quality standards such as UL 60947-5-1, IEC 60947-5-1, DNV-GL, and CSA approvals, ensuring reliable and safe operation.

This Schneider Electric LRD series device is ideal for integration with motor protection systems in industries that require dependable overload protection with compact form factor and versatile control options. It is frequently used in manufacturing automation, water treatment plants, agricultural equipment, and commercial electrical control panels.

This relay features integrated 1 NO and 1 NC auxiliary contacts for versatile control operation. The adjustable current range of 12 to 18 Amps enables precise motor overload protection. Screw terminal connections ensure secure and dependable electrical contact.

Supports automatic and manual reset methods for flexible fault recovery. Compact dimensions (66mm height, 45mm width, 70mm depth) suit tight installation spaces. Designed to operate within -20°C to 60°C temperature range, suitable for industrial environments.

Rated for 690V AC contact voltage supporting heavy motor loads. Complies with multiple international standards including UL and IEC certifications for safety and quality. Ideal for protecting three-phase motors in industrial automation and control systems.

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