ABB 1SDA066496R1 A1C 125 TMF 125-1250 1p F F 125A 1-Pole Fixed Power Circuit Breaker

The ABB 1SDA066496R1 — catalog number A1C 125 TMF 125-1250 1p F F — is a 125 A, 1-pole fixed-mounted power circuit breaker from the ABB Formula A1 series, engineered for transformer, generator, and installation protection in industrial control panels and power distribution systems. With compact 25.4 mm width and a robust TMF (Thermal-Magnetic Fixed) trip unit, the A1C 125 TMF 125-1250 1p F F delivers reliable overcurrent and short-circuit protection in space-constrained switchgear applications.

Technical Specifications

Certifications & Standards

• CE: Conforms to European CE marking requirements for electrical equipment
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH regulation on chemical substances
• EU Directive 2011/65/EU: Restriction of the use of certain hazardous substances in electrical and electronic equipment
• Amendment 2015/863: RoHS Amendment extending the restricted substances list
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Transformer feeder and secondary protection in industrial switchgear
• Generator output circuit protection in power distribution panels
• Installation protection in commercial and industrial control panels
• Space-constrained single-pole breaker applications requiring 25.4 mm pitch
• Motor control centers and distribution boards requiring compact, fixed-mount breakers