ABB 1SDA067421R1 XT1N 160 TMD 50-500 4p F F 4-Pole 160A Fixed Moulded Case Circuit Breaker

The ABB 1SDA067421R1 XT1N 160 TMD 50-500 4p F F is a 4-pole, 160 A fixed-mount power circuit breaker from the Tmax XT1 series, engineered for transformer, generator, and installation protection in demanding industrial environments. Featuring a thermomagnetic TMD release with an adjustable range of 50–500 A, this breaker delivers reliable overcurrent and short-circuit protection in compact panel designs. At just 1.4 kg and 101.6 × 130 × 70 mm, the XT1N 160 TMD 50-500 4p F F fits space-constrained distribution boards without compromising performance.

Technical Specifications

Certifications & Standards

• IEC 60947-2: Compliant with the international standard for low-voltage switchgear and controlgear — circuit breakers
• CE: Conforms to applicable European Union directives for market placement
• VDE: Verified and certified by the German Association for Electrical, Electronic & Information Technologies
• ATEX: Approved for use in potentially explosive atmospheres per European ATEX directive
• RoHS: Compliant with EU Directive 2011/65/EU — restriction of hazardous substances in electrical equipment
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) on chemical safety
• EU Directive 2011/65/EU & Amendment 2015/863: Full compliance confirmed as of 22 July 2019
• EN 45555: Meets general methods for the assessment of the ability of energy-related products to be repaired and recycled
• UL 2799: Listed under UL standard for electrical energy storage systems (where applicable)
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal

Applications & Use Cases

• Transformer and generator feeder protection in industrial power distribution panels
• Main and sub-distribution board protection in commercial and industrial facilities
• Installation protection for motor control centres (MCCs) and switchboards
• Control panel circuit protection requiring compact 4-pole fixed-mount breakers
• Applications requiring ATEX-rated circuit protection in hazardous areas