ABB 1SCA022627R7240 OFAF3H800 800A 500VAC/250VDC 120kA HRC Fuse Link

The ABB OFAF3H800 HRC Fuse Link (SKU: 1SCA022627R7240) is a high-rupturing-capacity fuse designed for robust overcurrent and short-circuit protection in industrial power distribution systems. Rated at 800A with a working voltage of 500V AC or 250V DC, the OFAF3H800 delivers an exceptional breaking capacity of 120 kA AC and 80 kA DC, making it suitable for demanding switchgear and distribution panel applications.

Technical Specifications

Certifications & Standards

• IEC 60269: International standard for low-voltage fuses — full compliance ensures reliable short-circuit and overload protection performance.
• CE: Conformité Européenne marking confirms compliance with applicable EU safety, health, and environmental directives.
• RoHS: Compliant with EU Directive 2011/65/EU, restricting hazardous substances in electrical and electronic equipment.
• REACH: Meets EU REACH regulation requirements for chemical substance safety in products placed on the European market.
• EU Directive 2011/65/EU: RoHS recast directive restricting the use of certain hazardous substances in electrical and electronic equipment.
• EU Directive 2015/863: Amendment to RoHS directive expanding the list of restricted hazardous substances.
• WEEE: Compliant with the Waste Electrical and Electronic Equipment directive, supporting responsible end-of-life disposal and recycling.

Applications & Use Cases

• Short-circuit and overcurrent protection in industrial power distribution panels and switchboards
• Protection of busbars, transformers, and cables in low-voltage networks up to 500V AC
• DC applications in battery systems, photovoltaic installations, and DC drives up to 250V DC
• Motor control centres (MCCs) and industrial automation control panels requiring high breaking capacity protection
• Fusegear assemblies and enclosed switch-fuse units in manufacturing, utilities, and infrastructure facilities