ABB 1SDA066786R1 A2N 250 TMF 250-2500 3p F F 250A 3-Pole Fixed Air Circuit Breaker

The ABB 1SDA066786R1 A2N 250 TMF 250-2500 3p F F is a 250 A, 3-pole fixed-mount air circuit breaker from the ABB Formula A2N series, engineered for reliable low-voltage power distribution and overcurrent protection in demanding industrial installations. The A2N 250 TMF 250-2500 3p F F features a thermal-magnetic trip unit (TMF) with an adjustable range of 250–2500 A, making it suitable for both generator and busbar protection applications where robust breaking performance is critical.

Technical Specifications

Certifications & Standards

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

Applications & Use Cases

• Main and feeder protection in low-voltage power distribution boards
• Industrial switchgear panels and motor control centres (MCCs)
• Generator and transformer outlet protection
• Commercial building and infrastructure power distribution
• Applications requiring a robust fixed-mount ACB with wide current adjustment range