ABB 1SAM250000R1007 MS116-2.5 1.6-2.5A 3P 50kA 400V Motor Protection Circuit-Breaker

The ABB MS116-2.5 (SKU: 1SAM250000R1007) is a 3-pole manual motor starter and motor protection circuit-breaker rated for 1.6–2.5 A at 400 VAC, delivering an exceptional breaking capacity of 50 kA — ideal for protecting three-phase motors in industrial control panels and automation systems. The MS116-2.5 combines overcurrent, short-circuit, and phase-failure protection in a compact 45 mm × 90 mm × 85.6 mm package weighing just 0.28 kg, making it a space-efficient solution for motor branch circuit protection.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — compliant for Great Britain market
• UL: Underwriters Laboratories — certified for North American markets
• CSA: Canadian Standards Association — certified for Canadian market
• CCC: China Compulsory Certification — approved for the Chinese market
• EAC: Eurasian Conformity — approved for the Eurasian Economic Union
• GL: Germanischer Lloyd — certified for marine and offshore applications
• DNV: Det Norske Veritas — approved for marine and offshore use
• LR: Lloyd's Register — marine type approval
• RMRS: Russian Maritime Register of Shipping — marine certification
• KC: Korea Certification — compliant for South Korean market
• IEC 60947-1: General rules for low-voltage switchgear and controlgear
• EN 60947-1: European harmonised standard for low-voltage switchgear
• IEC/EN 60947: Low-voltage switchgear and controlgear standard series
• EN 60947-4: Electromechanical contactors and motor-starters
• IEC 60068-2: Environmental testing for electronic and electrical items
• EN 45555: General methods for the assessment of the ability of energy-related products to be repaired, reused and recycled
• EN 45555-88: Supplementary standard for energy-related products sustainability
• REACH: Compliant with EU regulation on chemicals (EC No 1907/2006)
• RoHS: Restriction of Hazardous Substances — free from restricted materials
• WEEE: Waste Electrical and Electronic Equipment — compliant with EU disposal regulations

Applications & Use Cases

• Direct-on-line (DOL) motor starting and protection for small three-phase motors
• Branch circuit protection in industrial control panels and switchboards
• Motor branch protection in manufacturing, process automation, and HVAC systems
• Marine and offshore motor protection (DNV, GL, LR, RMRS certified)
• Machine building, conveyor systems, pumps, fans, and compressors