ABB 1SDA062874R1 T7S 1250 PR231/P LS/I In=1250A 4p F F 1250A 4-Pole Fixed Power Circuit Breaker

The ABB 1SDA062874R1 — catalog number T7S 1250 PR231/P LS/I In=1250A 4p F F — is a 1250A 4-pole fixed-mount power circuit breaker from the Tmax T7S series, designed for transformer, generator, and installation protection in demanding industrial and commercial power distribution environments. Equipped with the PR231/P LS/I electronic release for precise long-time and instantaneous protection, this breaker offers robust overcurrent and short-circuit defense in a compact fixed configuration.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne marking — meets EU safety, health, and environmental requirements
• IEC: Designed and tested in accordance with IEC standards for power circuit breakers
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances in electrical equipment
• REACH: Compliant with EU REACH regulation on chemical substance safety
• EU Directive 2011/65/EU: Full compliance with the RoHS Directive for hazardous substance restrictions
• Amendment 2015/863: Updated RoHS compliance including restricted substances added under EU Amendment 2015/863
• WEEE: Compliant with the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Transformer primary and secondary side protection in industrial substations
• Generator protection in standby and prime power installations
• Main and sub-main distribution board protection
• Feeder and busbar protection in LV switchgear panels
• Industrial facilities, data centers, commercial buildings, and infrastructure projects