ABB 1SAM451000R1019 MS165-80 Manual Motor Starter 70-80A 3P 45kW Motor Protection Circuit-Breaker

The ABB MS165-80 motor protection circuit-breaker (SKU: 1SAM451000R1019) is a 3-pole manual motor starter rated for 70–80 A continuous current, delivering robust overload and short-circuit protection for motors up to 45 kW in demanding industrial automation environments. The MS165-80 provides a breaking capacity of 30 kA at 230 V AC and fits into control panels with a compact 55 mm width, making it an efficient, space-saving solution for motor protection applications.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — approved for Great Britain market post-Brexit
• UL: Underwriters Laboratories — North American safety certification for electrical equipment
• CSA: Canadian Standards Association — certified for use in Canadian electrical installations
• EAC: Eurasian Conformity — approved for Eurasian Economic Union markets
• IECEx: IEC Scheme for Explosive Atmospheres — certified for use in potentially explosive environments
• ATEX: ATmosphères EXplosibles — EU directive compliance for explosive atmosphere equipment
• CCC: China Compulsory Certification — mandatory certification for the Chinese market
• KC: Korea Certification — mandatory safety mark for the South Korean market
• IEC/EN 60947-1: Low-voltage switchgear and controlgear — general rules
• IEC/EN 60947-2: Low-voltage switchgear — circuit-breakers
• IEC/EN 60947-4: Low-voltage switchgear — contactors and motor-starters
• IEC 60068-2: Environmental testing for electronic and electrical equipment
• EN 60947-1: European harmonised standard — low-voltage switchgear general rules
• EN 60947-2: European harmonised standard — circuit-breakers
• EN 60947-4: European harmonised standard — contactors and motor-starters
• EN 45555: General methods for the assessment of the ability to recover materials and energy from electrical and electronic equipment
• EN 45555-93: Supplementary standard for recovery and energy assessment
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU chemical safety compliance
• RoHS: Restriction of Hazardous Substances — compliant with EU directive on hazardous materials in electrical equipment
• WEEE: Waste Electrical and Electronic Equipment — registered for compliant end-of-life disposal

Applications & Use Cases

The ABB MS165-80 is engineered for motor protection in industrial automation and control panel applications where reliable, direct-on-line motor starting and protection is essential. Typical use cases include:

• Protection of three-phase AC motors up to 45 kW in manufacturing and processing plants
• Motor branch circuit protection in control panels and motor control centres (MCCs)
• Applications in potentially explosive atmospheres (ATEX/IECEx certified)
• Heavy-duty pump, compressor, conveyor, and fan motor protection
• Industrial automation systems requiring compact, reliable motor overload and short-circuit protection

Frequently Asked Questions

• What is the rated current range of the MS165-80? The MS165-80 is adjustable from 70 A to 80 A, allowing fine-tuned motor protection within this range.
• What is the breaking capacity of the MS165-80? It provides a breaking capacity of 30 kA at 230 V AC, ensuring reliable fault clearance in high-fault-level installations.
• Is the MS165-80 suitable for explosive atmospheres? Yes — the MS165-80 carries both ATEX and IECEx certifications, making it suitable for use in hazardous and potentially explosive environments.
• What is the catalog number for this product? The customer-facing catalog number is MS165-80; the internal SKU reference is 1SAM451000R1019.