ABB 1SDA066724R1 A1N 125 TMF 30-400 3p F F 30A 3-Pole Fixed Moulded Case Circuit Breaker

The ABB A1N 125 TMF 30-400 3p F F (SKU: 1SDA066724R1) is a 3-pole, 30 A fixed-mount power circuit breaker from the Formula A1 series, engineered for transformer, generator, and installation protection in demanding industrial environments. Featuring a TMF trip unit with an adjustable current range of 30–400 A, this compact breaker delivers reliable overcurrent and short-circuit protection in a 76.2 × 130 × 60 mm footprint weighing only 0.789 kg.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union directives for electrical equipment
• IEC: Designed and tested in accordance with IEC standards for circuit breakers
• CB Scheme Certificate: Internationally recognized safety certification under the IECEE CB Scheme
• RoHS: Restriction of Hazardous Substances — free from restricted materials per EU directive
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment directive

Applications & Use Cases

• Transformer feeder and secondary protection in industrial switchboards
• Generator circuit protection in power distribution panels
• Outgoing feeder and installation protection in industrial control panels
• Motor circuit protection where an adjustable TMF trip unit is required
• Commercial and industrial building power distribution systems