ABB 1SDA068765R1 A1C 125 TMF 63-630 1p F F 63A 1P 18kA Moulded Case Circuit Breaker

The ABB A1C 125 TMF 63-630 1p F F (SKU: 1SDA068765R1) is a 63 A single-pole power circuit-breaker from the Formula DSA / Formula A1 series, engineered for reliable protection of transformers, generators, and installations. Rated at 63 A with an 18 kA breaking capacity at 240 V AC, this fixed-mounted breaker delivers robust overcurrent and short-circuit protection in a compact 25.4 × 130 × 60 mm footprint weighing just 0.25 kg.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive, ensuring environmentally responsible design.
• REACH: Compliant with EU REACH regulations on chemical substance registration and safety.
• CB Scheme Certificate: Internationally recognized CB scheme certification for global market acceptance.
• IEC: Designed and tested in accordance with relevant IEC standards for circuit-breakers and protection devices.
• CE: CE marked, confirming conformity with applicable European safety and performance directives.
• WEEE: Compliant with the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal.

Applications & Use Cases

The ABB A1C 125 TMF 63-630 1p F F is purpose-built for demanding industrial and commercial power distribution applications. Its thermal-magnetic trip unit (TMF) provides precise overload and short-circuit protection, making it ideal for:

• Transformer primary and secondary circuit protection
• Generator output protection in standby and prime power installations
• Feeder and branch circuit protection in industrial control panels
• Motor feeder protection where single-pole interruption is required
• Switchgear and distribution board installations requiring compact, high-performance breakers

With its fixed mounting configuration and slim 25.4 mm width, the Formula A1C integrates seamlessly into space-constrained panel designs without compromising on 18 kA breaking performance.