ABB 1SAX121001R1104 EF19-6.3 Electronic Overload Relay 1.9-6.3A 3P

The ABB EF19-6.3 electronic overload relay (SKU: 1SAX121001R1104) delivers precise motor protection across a current range of 1.9 to 6.3 A in a compact 3-pole design. Part of ABB's trusted EF19 series, this relay is engineered for demanding industrial automation and control panel applications, offering reliable overload and phase-failure protection with a wide portfolio of international certifications including ATEX, UL, and CE.

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
• UL: Underwriters Laboratories listing for North American market compliance
• IEC 60947-1: Low-voltage switchgear and controlgear — general rules
• EN 60947-1: European harmonised standard for low-voltage switchgear and controlgear
• IEC/EN 60947: Comprehensive low-voltage switchgear and controlgear standards compliance
• IEC 60068-2: Environmental testing standard for electrical and electronic equipment
• EN 60947-4: Contactors and motor-starters — electromechanical contactors and motor-starters
• EN 60947-5: Control circuit devices and switching elements
• EN 45555: General methods for the assessment of the ability to recover resources from electrical and electronic equipment
• UL 2799: Standard for electrical systems for electric-drive vehicles (zero-emission applicable)
• CSA: Canadian Standards Association certification for Canadian market compliance
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliance
• CCC: China Compulsory Certification for the Chinese market
• CE: Conformité Européenne marking — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed marking for the Great Britain market post-Brexit
• EAC: Eurasian Conformity mark for the Eurasian Economic Union market

Applications & Use Cases

The EF19-6.3 electronic overload relay is ideally suited for motor protection in industrial automation systems, control panels, and machinery where reliable overcurrent detection is critical. Its 1.9–6.3 A adjustable range makes it suitable for protecting small to medium-sized motors in manufacturing, process control, HVAC, and pumping applications. The compact 91 × 68 × 51.5 mm footprint ensures easy integration into tight panel assemblies, while broad international certifications — including ATEX for hazardous areas and UL/CSA for North American installations — make the ABB 1SAX121001R1104 a truly global solution for motor protection engineers and procurement professionals.