ABB 1SAE231111R0631 ESB25-31N-06 25A 4P 230-240V 3NO+1NC Installation Contactor for Distribution Board

The ABB ESB25-31N-06 (SKU 1SAE231111R0631) is a 25 A, 4-pole installation contactor from the ESB25-N series, designed for distribution board applications requiring reliable switching of lighting, heating, and general electrical loads. Featuring a 3NO+1NC contact configuration and a 230–240 V control circuit rated for 400 Hz operation, this compact contactor measures just 36 × 65 × 85 mm and weighs 235 g, making it ideal for space-constrained distribution boards and control panels in residential and commercial installations.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — meets Great Britain market requirements post-Brexit
• UL: Underwriters Laboratories listed (UL 240, UL 480) for North American markets
• CSA: Canadian Standards Association certification
• CCC: China Compulsory Certification for the Chinese market
• DNV: Det Norske Veritas — marine and offshore type approval
• RINA: Registro Italiano Navale — marine classification society approval
• IEC/EN 60947-1: General rules for low-voltage switchgear and controlgear
• IEC/EN 60947-4: Contactors and motor-starters — electromechanical contactors and motor-starters
• IEC/EN 61095: Electromechanical contactors for household and similar purposes
• IEC 60335-2: Safety of household and similar electrical appliances
• IEC60715: Dimensions of low-voltage switchgear and controlgear — standardised mounting on rails
• IEC 60068-2: Environmental testing procedures
• EN45555-86: General methods for the assessment of the ability of electrical and electronic products to be repaired, reused and recycled
• REACH: EU regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• WEEE: Waste Electrical and Electronic Equipment Directive compliance

Applications & Use Cases

• Switching of lighting circuits in residential and commercial distribution boards
• Control of heating and ventilation loads in building management systems
• Time-controlled or remotely operated switching in smart-home and building automation panels
• Marine and offshore control panel applications (DNV / RINA approved)
• General load switching in industrial control panels and motor control centres