ABB 1SDA067435R1 XT1S 160 TMD 125-1250 3p F F 3-Pole 125A Fixed Moulded Case Circuit Breaker

The ABB 1SDA067435R1 XT1S 160 TMD 125-1250 3p F F is a 3-pole, fixed-mount power circuit breaker from the Tmax XT1 series, engineered for transformer, generator, and installation protection in demanding industrial environments. Rated at 125–1250 A with a TMD (thermal-magnetic) trip unit, it delivers reliable overload and short-circuit protection in a compact 76.2 × 130 × 70 mm footprint weighing just 1.1 kg.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Community directives for electrical equipment
• IEC 60947-2: Compliant with the international standard for low-voltage circuit breakers
• VDE: Certified to German electrotechnical standards (VDE)
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• Amendment 2015/863: Updated RoHS substance restrictions (EU) fully met
• REACH: Compliant with EU REACH regulation on chemical safety
• ATEX: Suitable for use in potentially explosive atmospheres per ATEX directive
• UL 2799: Recognized to UL Standard 2799 for electrical systems
• EN 45555: Compliant with general methods for the assessment of the ability to repair and upgrade networked products
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life recycling

Applications & Use Cases

• Transformer feeder and secondary protection in industrial switchboards
• Generator circuit protection in standby and prime power installations
• Main and sub-distribution board protection for commercial and industrial buildings
• Motor feeder and branch-circuit protection in control panels
• Installation protection in environments requiring ATEX-rated equipment