ABB 1SDA066547R1 A2N 250 TMF 250-2500 2p F F 250A 2-Pole Fixed Air Circuit Breaker

The ABB 1SDA066547R1 A2N 250 TMF 250-2500 2p F F is a 250 A, 2-pole fixed-mount air circuit breaker from ABB's Formula A2N series, designed for reliable overcurrent and short-circuit protection in low-voltage power distribution systems. Featuring a TMF (Thermo-Magnetic Fixed) trip unit and a compact 70 × 150 × 60 mm footprint weighing only 0.9 kg, this open-type ACB delivers robust performance in demanding industrial switchgear applications.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for low-voltage electrical equipment
• IEC: Designed and tested in accordance with IEC standards for circuit breakers and low-voltage switchgear
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances in electrical and electronic equipment
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) on chemical substances
• EU Directive 2011/65/EU: RoHS recast directive — restriction of hazardous substances compliance
• Amendment 2015/863: Updated RoHS substance restriction requirements (EU) 2015/863 compliance
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Main and feeder protection in low-voltage distribution boards and switchgear panels
• Generator protection and incomer circuit breaking in industrial facilities
• Motor feeder and bus-tie protection in manufacturing and process plants
• Commercial building main distribution frame (MDF) protection
• Infrastructure projects requiring compact, fixed-mount ACB solutions