ABB 1SAZ711201R1021 T16-0.74 0.55-0.74A 3P Thermal Overload Relay

The ABB T16-0.74 thermal overload relay (SKU: 1SAZ711201R1021) is a 3-pole motor protection device from the ABB T16 series, designed to safeguard motors and electrical circuits against overload and phase-loss conditions. With an adjustable current range of 0.55 to 0.74 A, this compact relay is engineered for reliable integration into industrial control panels and motor starter assemblies, meeting the stringent demands of automation and industrial electrical systems.

Technical Specifications

Certifications & Standards

• UL: Underwriters Laboratories listed — meets North American safety requirements
• CSA: Canadian Standards Association certified for use in Canadian markets
• CE: Conformité Européenne — meets EU health, safety, and environmental protection standards
• UKCA: UK Conformity Assessed — approved for the United Kingdom market post-Brexit
• EAC: Eurasian Conformity mark for Russia and Eurasian Economic Union countries
• CCC: China Compulsory Certification for the Chinese market
• IEC 60947-1: General rules for low-voltage switchgear and controlgear
• EN 60947-1: European harmonised standard for low-voltage switchgear and controlgear — general rules
• IEC/EN 60947: Comprehensive low-voltage switchgear and controlgear standard series
• IEC/EN 60947-5: Control circuit devices and switching elements
• EN 60947-4: Contactors and motor starters including overload relays
• EN 60947-5: Control circuit devices and switching elements — European harmonised standard
• IEC 60335-2: Safety of household and similar electrical appliances — particular requirements
• IEC 60068-2: Environmental testing — standard for climatic and mechanical durability
• RoHS II: Restriction of Hazardous Substances Directive II — compliant with EU substance restrictions
• RoHS: Restriction of Hazardous Substances — restricts use of specific hazardous materials
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU chemical compliance
• WEEE: Waste Electrical and Electronic Equipment Directive — compliant with EU recycling requirements

Applications & Use Cases

The ABB T16-0.74 thermal overload relay is ideally suited for protecting small motors in industrial automation systems, HVAC control panels, conveyor drives, pump stations, and general-purpose motor starter combinations. Its compact 3-pole design and precise 0.55–0.74 A current adjustment range make it an excellent choice for engineers and procurement professionals specifying protection devices in low-current motor circuits. As part of ABB's trusted T16 series, this relay integrates seamlessly with compatible ABB contactors to form a complete motor starter solution compliant with IEC and UL standards.