ABB 1SAM250000R1015 MS116-32 32A 3P 10kA Motor Protection Circuit Breaker

The ABB MS116-32 motor protection circuit-breaker (SKU: 1SAM250000R1015) is a 3-pole, 32A manual motor starter designed to provide reliable short-circuit and overload protection for three-phase motors in industrial control panels and automation systems. Part of the ABB MS116 series, this device delivers a breaking capacity of 10 kA at 400 VAC, meeting IEC/EN 60947 standards for demanding industrial environments.

Technical Specifications

Certifications & Standards

• IEC/EN 60947-1: General rules for low-voltage switchgear and controlgear
• IEC/EN 60947-2: Circuit-breakers
• IEC/EN 60947-4: 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
• IEC 60068-2: Environmental testing
• CE: European Conformity — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — approved for Great Britain market
• UL: Underwriters Laboratories listed for North American markets
• CSA: Canadian Standards Association certified
• CCC: China Compulsory Certification
• EAC: Eurasian Conformity mark for Customs Union markets
• KC: Korea Certification mark
• DNV: Det Norske Veritas — marine and offshore approval
• GL: Germanischer Lloyd — marine classification approval
• LR: Lloyd's Register — marine and industrial approval
• EN 45555 / EN 45555-88: General methods for the assessment of the ability of energy-related products to be repaired, reused, upgraded, or recycled
• REACH: Compliant with EU chemicals regulation (EC) No 1907/2006
• RoHS: Restriction of Hazardous Substances — EU Directive 2011/65/EU compliant
• WEEE: Waste Electrical and Electronic Equipment Directive compliant

Applications & Use Cases

The ABB MS116-32 is widely specified for motor branch circuit protection in industrial control panels, machine building, and process automation. Its compact 45 mm width makes it ideal for space-constrained distribution boards, while its 10 kA breaking capacity covers the short-circuit levels typical of 400 V industrial installations. Common applications include pump drives, conveyor systems, HVAC fan motors, and compressor starters. The device integrates directly with ABB's range of accessories including auxiliary contacts, shunt trips, and motor controller combinations, supporting modular panel design.

Frequently Asked Questions

What is the current range of the MS116-32?
The MS116-32 is factory-set for a current adjustment range of 25–32 A as indicated in the catalog description, within the MS116 series product family.

Is the MS116-32 compatible with ABB accessories?
Yes. The MS116 series supports a range of ABB accessories including auxiliary contact blocks, undervoltage releases, and shunt trip coils, enabling flexible integration into motor control centers and control panels.

What standards govern the MS116-32?
This motor protection circuit-breaker is designed and tested to IEC/EN 60947-1, IEC/EN 60947-2, and IEC/EN 60947-4, covering general switchgear rules, circuit-breakers, and motor starters respectively.