ABB 1SDA066567R1 A3S 630 ELT-LI In=630 3p F F 630A 3-Pole Fixed Air Circuit Breaker

The ABB 1SDA066567R1 — catalog number A3S 630 ELT-LI In=630 3p F F — is a 630 A, 3-pole fixed-mount air circuit breaker from the Formula A3S series, designed for reliable low-voltage switchgear protection in demanding industrial installations. Equipped with the ELT-LI electronic trip unit, the A3S 630 ELT-LI In=630 3p F F delivers precise overcurrent and short-circuit protection, making it a trusted choice for main distribution boards, motor feeders, and generator protection applications.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union directives for electrical equipment safety and electromagnetic compatibility
• IEC: Designed and tested in accordance with IEC standards for low-voltage circuit breakers
• RoHS: Compliant with the Restriction of Hazardous Substances Directive — free from restricted substances
• REACH: Compliant with EU REACH regulation on chemical substances used in electrical components
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Main and sub-main distribution boards in commercial and industrial buildings
• Generator set protection and incomer switching in low-voltage switchgear panels
• Motor feeder protection in heavy-duty manufacturing and process plant environments
• Bus coupler and tie-breaker positions in double-busbar LV switchboards
• Infrastructure projects requiring robust, high breaking-capacity open air circuit breaker solutions