ABB 1SDA062866R1 T7S 1250 PR231/P LS/I In=1250A 3p F F 1250A 3-Pole Fixed Power Circuit Breaker

The ABB 1SDA062866R1 — catalog number T7S 1250 PR231/P LS/I In=1250A 3p F F — is a 1250A 3-pole fixed-mount power circuit breaker from the Tmax T7S series, designed for transformer, generator, and installation protection in demanding industrial power distribution systems. Equipped with the PR231/P LS/I electronic trip unit, it delivers precise long-time and instantaneous protection across a wide range of load conditions. Compact at 210 × 268 × 154 mm and weighing 14.369 kg, the T7S 1250 PR231/P LS/I In=1250A 3p F F is engineered for high-density switchgear and distribution board installations.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for electrical equipment
• 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
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) on chemical safety
• EU Directive 2011/65/EU: RoHS compliance directive for electrical and electronic equipment
• Amendment 2015/863: Updated RoHS restricted substances list compliance
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal

Applications & Use Cases

• Transformer secondary protection in industrial and commercial power distribution
• Generator output circuit protection in standby and prime power applications
• Main incoming protection for large switchboards and motor control centres
• Installation protection in heavy industrial facilities, data centres, and infrastructure projects
• High-density distribution boards requiring compact, high-performance circuit protection