ABB 1SDA071581R1 E2.2N 1250 Ekip Dip LI 4p F HR 1250A 4P 66kA Air Circuit Breaker

The ABB 1SDA071581R1 E2.2N 1250 Ekip Dip LI 4p F HR is a 1250A, 4-pole fixed-mount air circuit breaker from the SACE Emax2 E2.2 series, delivering a rated breaking capacity of 66 kA at 400 V AC. The E2.2N 1250 Ekip Dip LI 4p F HR features ABB's advanced Ekip Dip digital trip unit with LI (Long-time and Instantaneous) protection functions, making it a precision-engineered solution for demanding low-voltage power distribution and switchgear installations. Weighing 53 kg and measuring 366 mm × 371 mm × 270 mm, this robust ACB is built for high-current applications requiring reliable overcurrent protection.

Technical Specifications

Certifications & Standards

• IEC: Designed and tested in accordance with IEC international electrotechnical standards
• IEC 60947: Compliant with IEC 60947 low-voltage switchgear and controlgear standard
• UL 2799: Listed under UL 2799 for electrical vehicle supply equipment (North American market recognition)
• ATEX: Suitable for use in potentially explosive atmospheres per ATEX directive
• CSA: Certified by the Canadian Standards Association for the North American market
• CE: Carries CE marking in accordance with applicable EU directives
• VDE: Tested and certified by VDE to German and European electrical standards
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive (2011/65/EU)
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive (2012/19/EU)

Applications & Use Cases

• Main incomer and bus-coupler protection in low-voltage main distribution boards (MDB) and sub-distribution boards
• Generator and transformer outgoing feeder protection in industrial power systems
• Switchgear and controlgear assemblies (Type-tested assemblies per IEC 61439)
• Power distribution in manufacturing plants, data centres, commercial buildings, and infrastructure projects
• Applications requiring ATEX-rated circuit protection in hazardous classified areas