ABB 1SAZ431201R1001 TF140DU-90 Thermal Overload Relay 66-90A 3P

The ABB TF140DU-90 thermal overload relay (SKU: 1SAZ431201R1001) delivers dependable motor overload protection with an adjustable current range of 66–90 A across 3 poles. Part of the ABB TF140DU series, this industrial-grade relay is engineered for integration into control panels and motor starter assemblies where precise overload protection is critical to equipment longevity and operational safety.

Technical Specifications

Certifications & Standards

• UL: Listed under UL standards for industrial control equipment
• RoHS II: Compliant with EU Restriction of Hazardous Substances Directive (recast)
• IEC 60947-1: Low-voltage switchgear and controlgear — general rules
• EN 60947-1: European harmonised standard for low-voltage switchgear and controlgear — general rules
• IEC/EN 60947: Comprehensive low-voltage switchgear and controlgear series compliance
• IEC 60068-2: Environmental testing for electronic and electrical components
• EN 60947: European low-voltage switchgear and controlgear standard series
• EN 60947-4: Contactors and motor-starters including thermal overload relays
• EN 60947-5: Control circuit devices and switching elements
• EN 45555: General methods for the assessment of the ability to recover materials from electrical and electronic equipment
• CSA: Canadian Standards Association certification for electrical equipment
• RoHS: Compliant with Restriction of Hazardous Substances requirements
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive
• CCC: China Compulsory Certification for the Chinese market
• CE: Conforms to applicable European Union directives and regulations
• UKCA: UK Conformity Assessed marking for Great Britain market access
• EAC: Eurasian Conformity mark for Eurasian Economic Union markets

Applications & Use Cases

The TF140DU-90 is designed for motor protection applications in industrial automation and control panel environments. With a 66–90 A adjustment range, it is well suited for protecting large three-phase induction motors in manufacturing lines, HVAC systems, pump stations, conveyor systems, and compressor assemblies. Its compact 89 × 140 × 126 mm footprint and 0.945 kg weight make it practical for panel builders working with space-constrained enclosures. Procurement engineers specifying motor starters or contactor assemblies will find the TF140DU-90 a reliable, globally certified choice that meets IEC, UL, CSA, CCC, and UKCA requirements simultaneously.