ABB 1SAZ711201R1017 T16-0.55 Thermal Overload Relay 0.41-0.55A 3P

The ABB T16-0.55 Thermal Overload Relay (SKU: 1SAZ711201R1017) provides reliable overcurrent motor protection with an adjustable current range of 0.41 to 0.55 A across three poles. Designed for demanding industrial automation and control panel applications, the T16-0.55 delivers precise, trip-class protection compliant with IEC and UL standards — making it a trusted choice for engineers and procurement professionals worldwide.

Technical Specifications

Certifications & Standards

• UL: Listed to UL standards for North American market compliance
• RoHS II: Compliant with the EU Restriction of Hazardous Substances Directive (recast)
• IEC 60947-1: General rules for low-voltage switchgear and controlgear
• EN 60947-1: European harmonised standard for low-voltage switchgear and controlgear
• IEC/EN 60947: Comprehensive low-voltage switchgear and controlgear series compliance
• IEC 60335-2: Safety of household and similar electrical appliances
• IEC 60068-2: Environmental testing — climatic and mechanical durability
• EN 60947: European low-voltage switchgear and controlgear standard
• EN 60947-4: Contactors and motor-starters — electromechanical contactors and motor-starters
• EN 60947-5: Control circuit devices and switching elements
• CSA: Certified to Canadian Standards Association requirements
• RoHS: Compliant with Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with Waste Electrical and Electronic Equipment Directive
• CCC: China Compulsory Certification for the Chinese market
• CE: Conforms to European Economic Area health, safety, and environmental requirements
• UKCA: UK Conformity Assessed marking for Great Britain market
• EAC: Eurasian Conformity mark for the Eurasian Economic Union

Applications & Use Cases

The ABB T16-0.55 thermal overload relay is ideally suited for protecting small single-phase or three-phase motors operating at low current ratings within industrial automation systems, control panels, and machine building applications. Its compact 48 x 82 x 63 mm footprint makes it well suited for space-constrained enclosures. Paired with compatible ABB contactors from the T16 series, it forms an effective and certified motor protection solution meeting global regulatory requirements across Europe, North America, China, and the Eurasian market.