ABB 1SDA080838R1 XT1H 160 TMD 32-450 3p F F 32-450A 3P Fixed Power Circuit Breaker

The ABB 1SDA080838R1 XT1H 160 TMD 32-450 3p F F is a 3-pole, fixed-mount power circuit-breaker from the Tmax XT1 series, designed for transformer, generator, and installation protection. With a rated current range of 32–450 A and a TMD (thermal-magnetic) trip unit, it delivers reliable overload and short-circuit protection in demanding industrial power distribution systems. Compact at 76.2 mm × 130 mm × 70 mm and weighing just 1 kg, it suits panel installations where space and weight are critical.

Technical Specifications

Certifications & Standards

• IEC 60947-2: Compliant with the international standard for low-voltage switchgear and controlgear — circuit breakers
• CE: Meets European conformity requirements for safety, health, and environmental protection
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• EU Directive 2011/65/EU: Compliance with the European RoHS Directive restricting use of hazardous substances in electrical equipment
• Amendment 2015/863: Compliant with the updated RoHS substance list including phthalates
• REACH: Compliant with EU REACH regulation on chemicals and safe use
• UL 2799: Listed to the applicable UL safety standard
• WEEE: Compliant with the Waste Electrical and Electronic Equipment Directive for proper end-of-life disposal

Applications & Use Cases

• Transformer secondary-side protection in LV distribution boards
• Generator output protection in standby and prime power systems
• Feeder and branch circuit protection in industrial control panels
• Installation protection in commercial and industrial buildings
• Motor feeder protection where TMD characteristics are required