ABB 1SAM250000R1005 MS116-1.0 0.63-1.0A 3P 50kA 400V Motor Protection Circuit Breaker

The ABB MS116-1.0 (SKU: 1SAM250000R1005) is a 3-pole manual motor starter and motor protection circuit-breaker rated for 0.63–1.0 A at 400 VAC, delivering a breaking capacity of 50 kA at 400 VAC. Designed for direct-on-line motor protection in industrial control panels, the MS116-1.0 combines short-circuit, overload, and phase-failure protection in a compact 45 mm wide DIN-rail mountable enclosure weighing just 0.24 kg.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — meets Great Britain product requirements post-Brexit
• UL: Underwriters Laboratories listed — North American safety certification
• CSA: Canadian Standards Association — Canada and North America safety approval
• CCC: China Compulsory Certification — required for products sold in the Chinese market
• EAC: Eurasian Conformity mark — approved for the Eurasian Economic Union
• KC: Korea Certification — mandatory safety mark for South Korea
• LR: Lloyd's Register type approval
• IEC/EN 60947-1: General rules for low-voltage switchgear and controlgear
• IEC/EN 60947-2: Circuit breakers for low-voltage applications
• IEC/EN 60947-4: Contactors and motor starters — electromechanical contactors and motor starters
• IEC 60715: Dimensions of low-voltage switchgear and controlgear — DIN rail mounting
• IEC 60335-2: Safety of household and similar electrical appliances — particular requirements
• IEC 60068-2: Environmental testing — climatic and mechanical durability
• EN45555: General methods for the assessment of the ability of energy-related products to be repaired, reused, upgraded, and recycled
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU chemical safety compliance
• WEEE: Waste Electrical and Electronic Equipment Directive — responsible disposal and recycling

Applications & Use Cases

• Direct-on-line (DOL) protection for small three-phase motors up to 1.0 A rated current
• Industrial control panels and machine-building applications
• Pump, fan, and conveyor motor protection in manufacturing environments
• Combination starter assemblies alongside ABB contactors and accessories
• HVAC and building automation motor protection

Frequently Asked Questions

• What is the current setting range of the MS116-1.0? The MS116-1.0 provides an adjustable overload setting range of 0.63 A to 1.0 A, suitable for protecting small three-phase motors.
• What breaking capacity does the MS116-1.0 offer? It offers a rated ultimate short-circuit breaking capacity (Icu) of 50 kA at 400 VAC, providing robust short-circuit protection in industrial installations.
• Is the MS116-1.0 DIN rail mountable? Yes, the MS116-1.0 mounts directly onto standard 35 mm DIN rails per IEC 60715 and has a width of 45 mm.
• Can accessories be added to the MS116-1.0? Yes, the MS116 series supports a range of ABB accessories including auxiliary contact blocks, shunt releases, and undervoltage releases.