ABB 1SDA066574R1 A3N 630 ELT-LI In=630 4p F F 630A 4-Pole Fixed Air Circuit Breaker

The ABB A3N 630 ELT-LI In=630 4p F F (SKU: 1SDA066574R1) is a 630A, 4-pole fixed-mount air circuit breaker from ABB's Formula A3N series, engineered for reliable overcurrent and short-circuit protection in low-voltage power distribution systems. Featuring an ELT-LI electronic trip unit, this ACB delivers precise long-time (L) and instantaneous (I) protection functions, making it well-suited for demanding industrial and commercial switchgear applications. Weighing 6.5 kg, the A3N 630 ELT-LI In=630 4p F F offers robust performance in a compact fixed design.

Technical Specifications

Certifications & Standards

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

Applications & Use Cases

• Main and feeder protection in low-voltage power distribution panels and switchboards
• Industrial plant protection — motor control centres, process lines, and manufacturing facilities
• Commercial building main switchgear and bus-tie applications
• Generator and transformer secondary protection with ELT-LI trip coordination
• Data centres and critical infrastructure requiring reliable 4-pole ACB protection