ABB 1SAX331001R1101 EF65-70 Electronic Overload Relay 25-70A 3P

The ABB EF65-70 electronic overload relay (SKU: 1SAX331001R1101) delivers precise motor protection across a wide current range of 25 to 70A in a compact 3-pole configuration. Designed for demanding industrial automation and control panel applications, the EF65-70 combines advanced electronic sensing with a robust mechanical design, offering reliable and repeatable protection for motors in harsh environments. Part of the ABB EF65 series, it meets global certification standards including ATEX, UL, CE, and IECEx.

Technical Specifications

Certifications & Standards

• ATEX: Certified for use in explosive atmospheres (EU Directive 2014/34/EU)
• IECEx: International certification for equipment used in explosive atmospheres
• EAC: Eurasian Conformity mark for markets in Russia and Eurasian Economic Union
• UL: Underwriters Laboratories listed for North American safety compliance
• LR: Lloyd's Register type approval for marine and offshore applications
• RINA: Italian naval classification society certification
• RMRS: Russian Maritime Register of Shipping approval
• IEC 60947-1: Low-voltage switchgear and controlgear — General rules
• EN 60947-1: European harmonised standard for low-voltage switchgear — General rules
• IEC/EN 60947: Comprehensive low-voltage switchgear and controlgear standard series
• IEC 60068-2: Environmental testing standard for electrical and electronic items
• EN 60947-4: Contactors and motor starters standard
• EN 60947-5: Control circuit devices and switching elements standard
• EN 45555: General methods for the assessment of the ability to recover resources from electrical and electronic equipment
• UL 2799: Standard for zero liquid discharge water treatment systems (supplemental UL listing)
• CSA: Canadian Standards Association certification for Canadian market compliance
• RoHS: Restriction of Hazardous Substances Directive — EU compliant
• REACH: EU regulation on chemicals — compliant with SVHC requirements
• WEEE: Waste Electrical and Electronic Equipment Directive compliance
• CCC: China Compulsory Certification for the Chinese market
• CE: European Conformity marking indicating compliance with EU directives
• UKCA: UK Conformity Assessed marking for the Great Britain market post-Brexit

Applications & Use Cases

The ABB EF65-70 electronic overload relay is engineered for motor protection in industrial automation systems, manufacturing machinery, pumps, compressors, conveyors, and HVAC equipment. Its wide current adjustment range makes the EF65-70 a versatile solution for control panels requiring protection of motors from 25A up to 70A. The device is well-suited for installation in process industries, marine environments (LR, RINA, RMRS certified), and hazardous locations (ATEX/IECEx), making it a globally accepted choice for procurement engineers and system integrators.