ABB 1SDA066507R1 A1N 125 TMF 125-1250 2p F F 125A 2-Pole Fixed Moulded Case Circuit Breaker

The ABB A1N 125 TMF 125-1250 2p F F (SKU: 1SDA066507R1) is a 125 A, 2-pole fixed-mount power circuit breaker from the Formula A1 series, engineered for transformer, generator, and installation protection in industrial control panels. Compact at just 50.8 mm wide and weighing 543 g, this Formula DSA model delivers reliable overcurrent and short-circuit protection for demanding electrical systems.

Technical Specifications

Certifications & Standards

• CE: Compliant with European CE marking requirements for electrical equipment
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances
• REACH: Compliant with EU REACH regulation on chemical substance safety
• EU Directive 2011/65/EU: Restriction of hazardous substances in electrical and electronic equipment
• Amendment 2015/863: Updated RoHS substance restriction requirements
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive for responsible disposal

Applications & Use Cases

• Transformer primary and secondary protection in industrial installations
• Generator circuit protection in power distribution panels
• Installation protection for industrial machinery and control panels
• 2-pole configurations for single-phase or DC distribution systems
• Fixed-mount switchgear assemblies requiring compact, reliable overcurrent protection