ABB 1SDA066784R1 A2N 250 TMF 200-2000 3p F F 250A 3-Pole Fixed Air Circuit Breaker

The ABB 1SDA066784R1 A2N 250 TMF 200-2000 3p F F is a 250A 3-pole fixed-mounted air circuit breaker from the ABB Formula A2N series, engineered for reliable low-voltage power distribution and overcurrent protection in industrial and commercial switchgear applications. This open air circuit breaker (ACB) features a TMF trip unit with an adjustable current range of 200–2000 A, delivering precise thermal-magnetic protection for demanding electrical installations.

Technical Specifications

Certifications & Standards

• IEC: Designed and tested in accordance with IEC standards for low-voltage switchgear and controlgear
• CE: Compliant with applicable European Union directives and carries the CE mark
• RoHS: Compliant with the Restriction of Hazardous Substances Directive (2011/65/EU)
• REACH: Compliant with REACH regulation (EC) No 1907/2006 on chemical substances
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Main and sub-main distribution boards in industrial facilities
• Protection of busbars, cables, and feeders in low-voltage switchgear panels
• Generator and transformer circuit protection
• Commercial building power distribution systems
• Motor feeder and branch circuit protection in process plants