ABB Electronic Overload Relay 1 NO/1 NC, 15A-45A Adjustable Current Range, 45A Relay Contact Current, 527W Power Rating EF45

ABB EF45 Electronic Overload Relay is designed for fast and reliable motor protection in industrial, automation, and electrical control applications. It replaces traditional thermal overload relays by providing enhanced performance and accuracy from an adjustable current range of 15.0 to 45.0 A with a rated relay contact current of 45 A.

This relay features selectable trip classes 10E, 20E, and 30E to accommodate different motor characteristics and protection requirements. The device integrates 1 normally open and 1 normally closed contact, supporting precise control and signaling capabilities. Users benefit from dual reset options: automatic and manual, as well as a trip-free mechanism that ensures safety during overload conditions.

Its screw terminal connections and direct mount type simplify installation, with an IP20 protection rating suitable for indoor environments. The relay is rated for a contact voltage of 690 V AC/DC and sustains operation between -25°C and 70°C ambient temperatures, making it versatile for varied industrial settings.

Compact and robust, the product measures 104.7 mm in length, 86 mm in depth, and 45 mm in width, fitting seamlessly into control panels. It complies with stringent international certifications and standards including IEC/EN 60947-5-1, IEC/EN 60947-4-1, UL 508, cULus, CE, and CSA 22.2 No. 14, assuring quality and safety.

Additional functionalities such as phase loss sensitivity, status indication, and sealable operating elements enhance monitoring and secure operation during maintenance and troubleshooting. The relay is suitable for applications in electrical automation, manufacturing plants, HVAC systems, and general industrial motor protection.

Choose the ABB EF45 relay for dependable electronic overload protection and precise motor control in demanding industrial environments. Explore more products in the Overload Relay category on EnvMart for comprehensive industrial electrical control solutions.

Provides overload protection with trip class selectable between 10E, 20E, and 30E. Features 1 normally open and 1 normally closed contact configuration for effective control. Supports both automatic and manual reset methods for flexible operation.

Equipped with a trip-free mechanism enhancing operational safety. Includes status indication along with stop and test functions for easy diagnostics. Phase loss sensitivity ensures protection against phase failure conditions.

Mount type is direct with screw terminal connections and an IP20 rating for indoor use. Wide operating temperature range from -25°C to 70°C suitable for diverse environments. Conforms to international standards including IEC/EN 60947 series, UL 508, cULus, CE, and CSA 22.2 No. 14.

Compact dimensions of approximately 104.7mm length, 86mm depth, and 45mm width enable easy panel installation.