ABB 1SDA066486R1 A1C 125 TMF 20-400 1p F F 20A 1-Pole Fixed Power Circuit Breaker

The ABB 1SDA066486R1 — catalog number A1C 125 TMF 20-400 1p F F — is a 1-pole, 20 A fixed-mount power circuit breaker from the ABB Formula A1 series, designed for transformer, generator, and installation protection applications. With a breaking capacity of 18 kA at 240 V AC and a compact footprint of 25.4 × 60 × 130 mm, the A1C 125 TMF 20-400 1p F F delivers reliable overcurrent protection in space-constrained control panels and distribution boards.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne mark confirming compliance with applicable EU directives
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances in electrical and electronic equipment
• REACH: Compliant with EU REACH regulation on registration, evaluation, and authorisation of chemicals
• EU Directive 2011/65/EU: Restriction of Hazardous Substances Directive (RoHS 2) compliance
• Amendment 2015/863: Compliant with the RoHS 3 amendment extending restricted substance requirements
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for proper end-of-life disposal

Applications & Use Cases

• Transformer feeder and secondary protection in industrial and commercial installations
• Generator output protection in standby and prime-power systems
• Installation and sub-distribution panel protection
• Control panel branch circuit protection in automation and motor control centres