ABB 1SAM250000R1008 MS116-4.0 2.5-4.0A 3P 50kA 400VAC Motor Protection Circuit-Breaker

The ABB MS116-4.0 (SKU: 1SAM250000R1008) is a 3-pole manual motor starter and motor protection circuit-breaker rated at 2.5–4.0 A with an exceptional breaking capacity of 50 kA at 400 VAC. The MS116-4.0 provides reliable motor protection against overload and short-circuit conditions in compact control panel installations, featuring a slim 45 mm width and a lightweight 0.28 kg design suitable for high-density DIN rail mounting.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union directives for electrical equipment
• UKCA: UK Conformity Assessed marking for Great Britain market
• EAC: Eurasian Conformity mark for customs union countries
• DNV: Det Norske Veritas type approval for marine applications
• GL: Germanischer Lloyd certification for marine and offshore use
• LR: Lloyd's Register approval for shipboard electrical equipment
• UL: Underwriters Laboratories listed for North American market
• KC: Korea Certification mark for the South Korean market
• CCC: China Compulsory Certification for the Chinese market
• CSA: Canadian Standards Association certification
• IEC 60947-1: General rules for low-voltage switchgear and controlgear
• EN 60947-1: European harmonised standard for low-voltage switchgear
• IEC/EN 60947: Full series compliance for low-voltage switchgear and controlgear
• IEC 60068-2: Environmental testing for electrical and electronic items
• EN 60947: European standard for low-voltage switchgear and controlgear
• EN 45555: General methods for the assessment of the ability to recover materials and energy from electrical and electronic equipment
• EN 45555-88: Supplementary requirements within EN 45555 scope
• REACH: Compliance with EU regulation on registration, evaluation, authorisation and restriction of chemicals
• RoHS: Restriction of Hazardous Substances directive compliance
• WEEE: Waste Electrical and Electronic Equipment directive compliance

Applications & Use Cases

• Direct-on-line motor starting and protection for 3-phase AC motors up to 4.0 A
• Control panels and distribution boards in industrial automation systems
• Machine tool, conveyor, and pump motor protection
• Marine and offshore electrical installations (DNV, GL, LR approved)
• High-density DIN rail installations where panel space is limited
• Applications requiring global compliance across multiple markets (CE, UL, CCC, KC, EAC)