ABB 1SCA022627R0740 OFAF000H20 20A 500VAC/250VDC 120kA HRC Fuse Link Fuselink

The ABB OFAF000H20 (SKU: 1SCA022627R0740) is a high-rupturing-capacity (HRC) fuse link rated at 20A for use in industrial power distribution and protection circuits. Part of ABB's OFAF series, the OFAF000H20 delivers a breaking capacity of 120 kA AC and 80 kA DC at rated voltages up to 500V AC / 250V DC, making it suitable for demanding short-circuit protection applications in control panels and motor circuits.

Technical Specifications

Certifications & Standards

• IEC 60269: Compliant with the international standard for low-voltage fuses
• CE: Conforms to applicable European Union directives for electrical equipment
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances
• Amendment 2015/863: Meets the updated RoHS substance restrictions per EU amendment 2015/863
• REACH: Compliant with EU REACH regulation for chemical substance safety
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for proper end-of-life disposal

Applications & Use Cases

• Short-circuit protection in industrial control panels and distribution boards
• Motor branch circuit protection in automation and manufacturing environments
li>Protection of transformers, busbars, and cable installations rated up to 500V AC
• DC circuit protection in battery systems and renewable energy applications up to 250V DC
• Replacement fuse link in existing ABB OFAF fuse holders and bases