ABB 1SDA066575R1 A3S 630 ELT-LI In=630 4p F F 630A 4-Pole Fixed Air Circuit Breaker

The ABB 1SDA066575R1 A3S 630 ELT-LI In=630 4p F F is a 630 A, 4-pole fixed-mount air circuit breaker from ABB's Formula A3S series, engineered for demanding low-voltage power distribution and switchgear applications. Featuring an ELT-LI electronic trip unit with long-time (L) and instantaneous (I) protection functions, the A3S 630 ELT-LI In=630 4p F F delivers precise, reliable overcurrent protection in industrial panels and motor control centers.

Technical Specifications

Certifications & Standards

• CE: Compliant with European Union low-voltage and electromagnetic compatibility directives
• IEC: Designed and tested in accordance with IEC standards for low-voltage switchgear and controlgear
• RoHS: Restriction of Hazardous Substances compliant — free from regulated hazardous materials
• REACH: Compliant with EU REACH regulation on chemical substances in electrical equipment
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal

Applications & Use Cases

• Main incomer and bus-coupler protection in low-voltage main distribution boards (MDBs)
• Generator and transformer feeder protection in industrial power systems
• Motor control centers (MCCs) requiring high-capacity overcurrent protection
• Commercial and industrial switchgear panels demanding 4-pole switching for TN-S or TT networks
• Data centres, manufacturing facilities, and utility substations with stringent fault-clearance requirements