ABB 1SDA066798R1 A2N 250 TMF 250-2500 4p F F 250A 4-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA066798R1 A2N 250 TMF 250-2500 4p F F is a 250 A, 4-pole fixed-mount power circuit breaker from ABB's Formula A2N series, engineered for reliable protection of transformers, generators, and electrical installations. The A2N 250 TMF 250-2500 4p F F features a TMF (Thermal-Magnetic Fixed) trip unit with an adjustable current range of 250–2500 A, making it a versatile choice for demanding industrial and commercial power distribution applications. With a compact footprint of 140 × 150 × 60 mm and a weight of just 1.75 kg, this breaker delivers robust performance in a space-efficient package.

Technical Specifications

Certifications & Standards

• CE: Conforms to European CE marking requirements for electrical equipment
• IEC: Designed and tested in accordance with IEC standards for circuit breakers
• 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 substance safety
• WEEE: Registered under the EU Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal
• EU Directive 2011/65/EU & Amendment 2015/863: Verified compliance with the latest RoHS requirements for restricted substances in electrical and electronic equipment

Applications & Use Cases

• Transformer feeder and secondary protection in industrial power distribution boards
• Generator protection in standby and prime power installations
• Main and sub-main circuit protection in commercial and industrial switchboards
• Motor feeder circuit protection in manufacturing and process plants
• Control panel incoming supply protection where a 4-pole, fixed-mount MCCB is required