ABB 1SDA080839R1 XT1H 160 TMD 40-450 3p F F 40-450A 100kA 3-Pole Fixed Moulded Case Circuit Breaker

The ABB 1SDA080839R1 XT1H 160 TMD 40-450 3p F F is a 3-pole fixed-mounted power circuit-breaker engineered for transformer, generator, and installation protection across industrial and commercial applications. Part of ABB's Tmax XT1 series, this moulded case circuit breaker delivers a rated current range of 40–450 A and an impressive breaking capacity of 100 kA at 220 V AC, making it a reliable choice for demanding power distribution environments where high fault-current interruption is critical.

Technical Specifications

Certifications & Standards

• IEC 60947-2: Low-voltage switchgear and controlgear — Circuit-breakers standard compliance
• CE: European Conformity marking confirming compliance with applicable EU directives
• RoHS: Restriction of Hazardous Substances — free from restricted hazardous materials
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment directive compliant for responsible end-of-life disposal

Applications & Use Cases

• Transformer and generator feeder protection in industrial power distribution panels
• Installation protection in commercial and industrial switchboards
• Main and sub-distribution boards requiring high breaking capacity up to 100 kA
• Control panel integration where compact fixed-mount 3-pole MCCBs are required
• Energy distribution systems demanding IEC 60947-2 certified protection devices

Frequently Asked Questions

What is the breaking capacity of the XT1H 160 TMD 40-450 3p F F?
The ABB XT1H 160 TMD 40-450 3p F F (SKU 1SDA080839R1) provides a breaking capacity of 100 kA at 220 V AC, suitable for high fault-level installations.

What trip unit type does this circuit breaker use?
This breaker uses a TMD (Thermal-Magnetic) trip unit, offering reliable overload and short-circuit protection across the 40–450 A current range.

Is this breaker fixed or withdrawable?
The XT1H 160 TMD 40-450 3p F F is a fixed (F F) mounting type, designed for permanent installation within switchgear enclosures.

What standards does this product comply with?
This ABB 1SDA080839R1 complies with IEC 60947-2, CE, RoHS, REACH, and WEEE directives, ensuring suitability for global industrial projects.