ABB 1SAM250000R1002 MS116-0.25 0.16-0.25A 3P 50kA 400VAC Motor Protection Circuit-Breaker

The ABB MS116-0.25 (SKU: 1SAM250000R1002) is a 3-pole manual motor protection circuit-breaker from the MS116 series, rated for 0.16–0.25 A at 400 VAC with an exceptional breaking capacity of 50 kA. Designed for reliable overload and short-circuit protection of small motors and loads in industrial control panels, the MS116-0.25 combines compact 45 mm width with a robust certification portfolio spanning marine, international, and regional standards.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union safety, health, and environmental requirements
• UKCA: UK Conformity Assessed marking for Great Britain market
• UL: Underwriters Laboratories listed for North American markets
• CSA: Canadian Standards Association certified
• CCC: China Compulsory Certification for the Chinese market
• EAC: Eurasian Conformity mark for EAEU member states
• DNV: Det Norske Veritas approved for marine applications
• GL: Germanischer Lloyd approved for marine and offshore applications
• LR: Lloyd's Register type approved for marine use
• RMRS: Russian Maritime Register of Shipping approved
• KC: Korean Certification mark for the South Korean market
• IEC 60947-1 / EN 60947-1: General rules for low-voltage switchgear and controlgear
• IEC/EN 60947-2: Circuit-breakers for low-voltage switchgear
• IEC/EN 60947-4: Contactors and motor-starters — electromechanical contactors and motor-starters
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — standardized mounting on rails
• IEC 60335-2: Safety of household and similar electrical appliances — particular requirements
• IEC 60068-2: Environmental testing procedures
• EN 45555: General methods for the assessment of the ability to be repaired, reused and recycled of energy-related products
• REACH: Compliant with EU regulation on registration, evaluation, authorisation and restriction of chemicals
• RoHS: Restriction of Hazardous Substances compliant
• WEEE: Waste Electrical and Electronic Equipment directive compliant

Applications & Use Cases

The ABB MS116-0.25 motor protection circuit-breaker is ideal for protecting small three-phase motors and loads in industrial automation and control panel environments. Its 50 kA breaking capacity at 400 VAC makes it suitable for installations close to power distribution boards where high prospective fault currents are present. Typical applications include pump stations, conveyor systems, HVAC equipment, and general machinery — anywhere compact, reliable motor protection is required in industrial and commercial installations.