ABB 1SDA054396R1 T5N 630 PR221DS-LS/I In=630 3p F F 630A 3P Fixed Power Circuit Breaker

The ABB 1SDA054396R1 T5N 630 PR221DS-LS/I In=630 3p F F is a 630 A, 3-pole fixed-mount moulded case circuit breaker from the ABB Tmax T5 series, engineered for reliable power circuit protection in transformer, generator, and installation applications. Equipped with the PR221DS-LS/I electronic release offering both long-time and instantaneous protection functions, this MCCB delivers precise, adjustable tripping characteristics suited to demanding industrial distribution systems. Its compact fixed design — 140 mm × 205 mm × 103.5 mm and 4.817 kg — makes it an efficient choice for space-constrained control panels and switchgear assemblies.

Technical Specifications

Certifications & Standards

• CE: Compliant with applicable European Union directives for electrical equipment
• IEC: Designed and tested in accordance with relevant IEC standards for circuit breakers
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances
• REACH: Compliant with EU REACH regulation on chemicals safety
• EU Directive 2011/65/EU & Amendment 2015/863: Fully compliant with RoHS recast and its updated restricted substance thresholds
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Transformer secondary protection in industrial power distribution panels
• Generator circuit protection for standby and prime power systems
• Main and feeder circuit protection in low-voltage switchgear and motor control centres
• Installation protection in commercial buildings, data centres, and heavy industrial facilities