ABB 1SAZ721201R1025 TF42-1.3 1.0–1.3A 3P Thermal Overload Relay

The ABB TF42-1.3 thermal overload relay (SKU: 1SAZ721201R1025) is a 3-pole motor protection device with an adjustable current range of 1.0 to 1.3A, designed for reliable overload and phase-failure protection in industrial control panels. Part of ABB's TF42 series, this compact relay measures 45mm × 88.3mm × 70.5mm and weighs just 0.13kg, making it ideal for space-constrained switchgear installations. The TF42-1.3 carries a comprehensive suite of global certifications including ATEX, CE, UL, and IECEx, ensuring compliance across international markets.

Technical Specifications

Certifications & Standards

• ATEX: Approved for use in explosive atmospheres
• IEC/EN 60947-1: Low-voltage switchgear and controlgear — general rules
• IEC/EN 60947-4: Contactors and motor-starters
• IEC/EN 60947-5: Control circuit devices and switching elements
• IEC 60335-2: Safety of household and similar electrical appliances
• IEC 60068-2: Environmental testing
• EN 60947-1: European harmonised standard — low-voltage switchgear general rules
• EN 60947-4: European harmonised standard — contactors and motor-starters
• EN 60947-5: European harmonised standard — control circuit devices
• EN 45555: General methods for the assessment of the ability to recover resources from electrical and electronic equipment
• UL 2799: UL standard for electrical systems performance
• 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
• EAC: Eurasian Conformity marking
• IECEx: International standard for equipment used in explosive atmospheres

Applications & Use Cases

• Motor overload protection in industrial automation and control panels
• Phase-failure detection for 3-phase motor circuits in the 1.0–1.3A range
• Hazardous area installations requiring ATEX / IECEx certified protection devices
• OEM machinery panels where compact footprint and low weight are critical
• Global projects demanding multi-standard compliance (CE, UKCA, EAC, CCC, UL, CSA)