ABB 1SAM451000R1016 MS165-54 Manual Motor Starter 40-54A 45kW 3P 50kA Motor Protection Circuit Breaker

The motor protection circuit-breaker ABB 1SAM451000R1016 MS165-54 is a 3-pole manual motor starter rated for 40–54 A and 45 kW, delivering robust short-circuit and overload protection with a breaking capacity of 50 kA at 230 V AC. Designed for demanding industrial automation and control panel applications, the MS165-54 combines reliable motor protection with compact dimensions of 64 × 177 × 140 mm and a gross weight of just 1.1 kg.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — meets Great Britain market requirements post-Brexit
• UL: Underwriters Laboratories — certified for the North American market
• CSA: Canadian Standards Association — certified for Canadian market safety standards
• CCC: China Compulsory Certificate — mandatory certification for the Chinese market
• EAC: Eurasian Conformity — approved for Eurasian Economic Union member states
• ATEX: Atmosphères Explosibles — suitable for use in potentially explosive atmospheres
• IECEx: IEC System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres
• DNV GL: Det Norske Veritas — certified for marine and offshore applications
• LR: Lloyd's Register — approved for marine and industrial applications
• RMRS: Russian Maritime Register of Shipping — certified for marine applications
• KC: Korea Certification — meets South Korean safety and EMC standards
• 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 products
• EN 45555: General methods for the assessment of the ability to recover materials and energy from electrical and electronic equipment
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU chemical compliance
• RoHS: Restriction of Hazardous Substances — compliant with EU directive on hazardous materials
• WEEE: Waste Electrical and Electronic Equipment — compliant with EU directive on e-waste

Applications & Use Cases

The MS165-54 motor protection circuit-breaker is engineered for industrial automation environments where reliable motor protection is critical. Typical applications include:

• Direct-on-line motor starters for pumps, fans, compressors, and conveyors up to 45 kW
• Control panel integration in manufacturing, process, and HVAC installations
• Marine and offshore equipment protected under DNV GL and LR certifications
• Hazardous area installations compliant with ATEX and IECEx standards
• Multi-national projects requiring simultaneous UL, CSA, CCC, EAC, and CE approvals