ABB 1SDA066695R1 A1N 125 TMF 100-1000 1p F F 100A 1-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA066695R1 — catalog number A1N 125 TMF 100-1000 1p F F — is a 100 A, 1-pole fixed-mount power circuit-breaker from the Formula A1 series, engineered for the protection of transformers, generators, and distribution installations. The A1N 125 TMF 100-1000 1p F F delivers reliable overcurrent and short-circuit protection in a compact 25.4 mm wide enclosure, making it ideal for space-critical control panel assemblies.

Technical Specifications

Certifications & Standards

• CE: Conforms to European safety, health, and environmental protection requirements for electrical equipment.
• IEC: Designed and tested in accordance with relevant IEC standards for power circuit-breakers.
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive — free from restricted materials.
• REACH: Compliant with EU REACH regulation on chemical substances used in manufacturing.
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life recycling.

Applications & Use Cases

• Transformer secondary protection in industrial and commercial distribution panels
• Generator output protection in standby and prime power installations
• Feeder and branch circuit protection within low-voltage switchgear and control gear assemblies
• Space-constrained control panels requiring a slim 25.4 mm wide 1-pole breaker
• Industrial automation cabinets requiring reliable fixed-mount overcurrent protection