ABB 1SDA060537R1 T6N 1000 PR221DS-LS/I In=1000 3p F F 1000A 3P Fixed Power Circuit-Breaker

The ABB 1SDA060537R1 T6N 1000 PR221DS-LS/I In=1000 3p F F is a 1000 A, 3-pole fixed-mount moulded case power circuit-breaker from the ABB Tmax T6 series, engineered for transformer, generator, and installation protection in demanding industrial power distribution systems. Equipped with the PR221DS-LS/I electronic trip unit, it delivers precise long-time and instantaneous overcurrent protection, making it the preferred choice for high-current feeder and incomer applications in commercial and industrial switchgear.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for electrical equipment placed on the EU market.
• IEC: Designed and tested in accordance with IEC standards for moulded case circuit-breakers and power circuit-breakers.
• RoHS: Compliant with the Restriction of Hazardous Substances Directive, restricting use of hazardous materials in electrical equipment.
• REACH: Compliant with EU REACH regulation concerning the registration, evaluation, and authorisation of chemicals.
• WEEE: Registered and compliant with the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal.

Applications & Use Cases

• Transformer and generator outgoing feeder protection in MV/LV substations
• Main incomer and bus-coupler positions in industrial switchboards
• Installation protection in large commercial buildings, data centres, and manufacturing facilities
• High-current distribution panels requiring precise electronic overcurrent tripping
• Panel builders and OEMs requiring a compact, fixed-mount 1000 A MCCB footprint