ABB 1SDA071772R1 E4.2N 3200 Ekip Dip LSI 4p F HR 4P 3200A 66kA Air Circuit Breaker

The ABB 1SDA071772R1 E4.2N 3200 Ekip Dip LSI 4p F HR is a 4-pole, 3200 A rated air circuit breaker from the Emax2 E4.2 series, delivering a breaking capacity of 66 kA at 400 V AC with fixed (F) mounting and high performance (HR) construction. Equipped with the Ekip Dip LSI trip unit, this ACB provides overcurrent (L), short-circuit (S), and instantaneous (I) protection functions, making it the engineering choice for high-current low-voltage distribution systems in power generation, industrial plants, and infrastructure applications.

Technical Specifications

Certifications & Standards

• IEC / IEC 60947: Compliant with IEC low-voltage switchgear and controlgear standards
• CE: Conforms to applicable EU directives for the CE mark
• UL 2799: UL Listed under Standard for Electrical Systems
• ATEX: Approved for use in potentially explosive atmospheres
• CSA: Certified to Canadian Standards Association requirements
• VDE: Verified by the German Association for Electrical, Electronic & Information Technologies
• RoHS: Compliant with EU Directive 2011/65/EU (Restriction of Hazardous Substances)
• RoHS Amendment 2015/863: Compliant with the updated restricted substances list
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Main incomer and bus coupler protection in large industrial power distribution panels
• Generator and transformer feeder protection in power plants and substations
• Data centre and critical infrastructure main switchboard protection
• Marine, oil & gas, and mining installations requiring ATEX-certified switchgear
• High-current feeder circuits in commercial buildings and utility networks