ABB 1SDA067440R1 XT1S 160 TMD 63-630 4p F F 4-Pole 630A Fixed Air Circuit Breaker

The ABB 1SDA067440R1 XT1S 160 TMD 63-630 4p F F is a 4-pole fixed-mount air circuit breaker from ABB's Tmax XT1 series, rated for 63–630 A with a TMD trip unit for reliable overcurrent and short-circuit protection. Designed for low-voltage switchgear and distribution panels, this ACB delivers robust performance in demanding industrial and commercial installations. The fixed (F F) mounting configuration ensures secure integration into standard enclosures and motor control centres.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive, ensuring reduced environmental impact
• REACH: Compliant with EU REACH regulation on chemical safety and substances of concern
• EU Directive 2011/65/EU & Amendment 2015/863: Fully compliant as of July 22, 2019, confirming restriction of hazardous substances in electrical and electronic equipment

Applications & Use Cases

• Protection of distribution boards and busbar systems in industrial plants
• Motor feeder and branch circuit protection in motor control centres (MCCs)
• Overcurrent and short-circuit protection in commercial building installations
• Integration into low-voltage switchgear panels requiring 4-pole fixed breakers
• Generator and transformer secondary protection in power distribution systems