ABB 1SCA022627R7750 OFAF4H1000 1000A 500VAC 120kA 4-Pole HRC Fuse Link

The ABB OFAF4H1000 HRC fuse link (SKU 1SCA022627R7750) is a high-rupturing-capacity fuse designed to provide reliable overcurrent and short-circuit protection in demanding industrial power distribution systems. Rated at 1000A and 500VAC / 250VDC with a breaking capacity of 120 kA AC and 70 kA DC, the OFAF4H1000 delivers robust protection for switchgear, motor circuits, and distribution panels where fault currents are high.

Technical Specifications

Certifications & Standards

• CE: Compliant with applicable European Union directives for electrical equipment
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances, including Amendment 2015/863
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment directive
• IEC 60269: Designed and tested in accordance with IEC 60269 low-voltage fuses standard

Applications & Use Cases

• Short-circuit and overcurrent protection in industrial power distribution panels
• Protection of switchgear, busbars, and feeder circuits rated up to 1000A
• Motor branch circuit protection in heavy-duty manufacturing and process plant environments
• AC and DC distribution systems in industrial automation and control panel assemblies
• Fusegear and switch-disconnector fuse combinations requiring IEC 60269 compliant HRC fuse links