ABB 1SAM250000R1004 MS116-0.63 0.40-0.63A 3P 50kA Motor Protection Circuit Breaker

The ABB MS116-0.63 (SKU: 1SAM250000R1004) is a 3-pole manual motor starter and motor protection circuit-breaker rated for 0.40–0.63 A at 400 VAC, delivering a high breaking capacity of 50 kA to protect small motors in industrial control panels and automation systems. Part of ABB's proven MS116 series, the MS116-0.63 combines overload and short-circuit protection in a compact 45 mm wide device weighing just 0.24 kg, making it ideal for panel space-constrained installations.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — required for the Great Britain market post-Brexit
• UL: Underwriters Laboratories listed — North American safety certification
• CSA: Canadian Standards Association — certified for Canadian market requirements
• CCC: China Compulsory Certification — mandatory for the Chinese market
• EAC: Eurasian Conformity — certified for Eurasian Economic Union markets
• DNV: Det Norske Veritas — marine and offshore type approval
• GL: Germanischer Lloyd — marine classification society approval
• LR: Lloyd's Register — marine and offshore certification
• KC: Korea Certification — certified for the South Korean market
• IEC/EN 60947-1: Low-voltage switchgear and controlgear — general rules
• IEC/EN 60947-2: Low-voltage switchgear and controlgear — circuit-breakers
• IEC/EN 60947-4: Low-voltage switchgear and controlgear — contactors and motor-starters
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — DIN rail mounting
• IEC 60335-2: Household and similar electrical appliances — safety standard
• IEC 60068-2: Environmental testing procedures — reliability and durability
• EN 45555: General methods for assessing the ability of energy-related products to be repaired, reused, and recycled
• REACH: Restriction of Chemicals — compliant with EU chemical safety regulations
• RoHS: Restriction of Hazardous Substances — free from restricted hazardous materials
• WEEE: Waste Electrical and Electronic Equipment — compliant with EU recycling directive

Applications & Use Cases

• Direct-on-line (DOL) motor starting and protection for small three-phase motors up to 0.63 A
• Motor branch circuit protection in industrial control panels and MCC (Motor Control Centers)
• Overload and short-circuit protection for pumps, fans, conveyors, and compressors
• Marine and offshore installations (DNV, GL, LR approved)
• Automation and process control systems requiring compact, DIN rail-mounted protection devices
• Global installations requiring multi-certification compliance (UL, CSA, CCC, EAC, KC)