ABB 1SDA066726R1 A1N 125 TMF 50-500 3p F F 50A 3-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA066726R1 A1N 125 TMF 50-500 3p F F is a 50 A, 3-pole fixed-mount power circuit breaker from the Formula A1 series, engineered for reliable protection of transformers, generators, and distribution installations in industrial and commercial control panels. Compact at 76.2 × 130 × 60 mm and weighing just 0.793 kg, the A1N 125 TMF 50-500 3p F F delivers robust overcurrent and short-circuit protection in a space-saving moulded-case format.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for electrical equipment safety and electromagnetic compatibility.
• IEC: Designed and tested in accordance with relevant IEC standards for circuit breakers and industrial switchgear.
• RoHS: Compliant with EU Directive 2011/65/EU on the restriction of hazardous substances in electrical and electronic equipment.
• REACH: Meets EU REACH regulation requirements concerning chemical substance safety.
• EU Directive 2011/65/EU: Restriction of hazardous substances (RoHS recast) compliance confirmed.
• Amendment 2015/863: Compliant with the updated RoHS substance restriction list introduced by EU Delegated Directive 2015/863.
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life recycling.

Applications & Use Cases

• Transformer feeder and secondary-side overcurrent protection in LV distribution boards
• Generator output circuit protection in standby and prime power installations
• Main and sub-distribution panel protection in industrial plants and commercial buildings
• Installation protection in motor control centres (MCCs) and switchgear assemblies
• Retrofit or new-build control panel projects requiring compact, high-performance moulded-case circuit breakers