ABB 1SAZ721201R1008 TF42-0.17 Thermal Overload Relay 0.13-0.17A 3P

The ABB TF42-0.17 thermal overload relay (SKU: 1SAZ721201R1008) provides precise motor protection with a current setting range of 0.13 to 0.17 A, making it ideal for safeguarding small motors and sensitive loads in industrial control panels. Part of ABB's TF42 series, this 3-pole relay delivers reliable overload detection in compact dimensions of 48 × 78 × 92 mm and is built to meet the demands of automation and motor control applications worldwide.

Technical Specifications

Certifications & Standards

• ATEX: Certified for use in explosive atmospheres
• UL: Underwriters Laboratories listed for North American markets
• LR: Lloyd's Register type approval
• RINA: RINA marine certification
• RMRS: Russian Maritime Register of Shipping approval
• IEC 60947-1: Low-voltage switchgear and controlgear — general rules
• EN 60947-1: European harmonized standard for low-voltage switchgear — general rules
• IEC/EN 60947: Comprehensive IEC/EN low-voltage switchgear standard family
• IEC 60068-2: Environmental testing standard compliance
• EN 60947: European low-voltage switchgear standard compliance
• EN 60947-4: Standard for contactors and motor starters
• EN 60947-5: Standard for control circuit devices and switching elements
• EN 45555: General methods for the assessment of the ability to recover materials and energy from electrical and electronic equipment
• UL 2799: Zero waste to landfill validation standard
• CSA: Canadian Standards Association certified
• RoHS: Restriction of Hazardous Substances compliant
• REACH: EU chemical safety regulation compliant
• WEEE: Waste Electrical and Electronic Equipment directive compliant
• CCC: China Compulsory Certification
• CE: European conformity marking
• UKCA: UK Conformity Assessed marking for Great Britain market
• EAC: Eurasian Conformity mark for EAEU markets
• IECEx: International certification for equipment used in explosive atmospheres

Applications & Use Cases

The TF42-0.17 thermal overload relay is designed for integration with ABB TF42 series contactors in motor starter assemblies within industrial automation, control panel construction, HVAC equipment, conveyor systems, and process manufacturing. Its compact form factor and wide certification portfolio make it suitable for global deployments — from standard industrial facilities to marine and hazardous-area environments. Procurement engineers and panel builders specify this relay by catalog number TF42-0.17 on BOMs and wiring diagrams, ensuring straightforward sourcing and traceability.