ABB 1SDA071192R1 E4.2N 4000 Ekip Dip LSI 3p F HR 4000A 3P 66kA Fixed Power Circuit Breaker

The ABB 1SDA071192R1 — catalog number E4.2N 4000 Ekip Dip LSI 3p F HR — is a heavy-duty 4000 A, 3-pole fixed-mount air circuit breaker from the SACE Emax 2 series, delivering a rated breaking capacity of 66 kA at 400 V AC. Designed for transformer, generator, and main installation protection, this breaker combines the Ekip Dip LSI protection unit with a robust fixed (F) horizontal rear (HR) connection, making it a reliable solution for demanding industrial and utility power distribution systems.

Technical Specifications

Certifications & Standards

• CE: Conforms to applicable European Union directives for electrical equipment safety and EMC
• IEC: Designed and tested in accordance with IEC standards for low-voltage switchgear and controlgear
• RoHS: Compliant with EU Directive 2011/65/EU on restriction of hazardous substances in electrical and electronic equipment
• REACH: Compliant with EU REACH regulation (EC) No 1907/2006 on chemical substance safety
• EU Directive 2011/65/EU & Amendment 2015/863: Full compliance with the latest RoHS substance restrictions including Annex II amendments
• UL 2799: Listed to UL standard 2799 for electrical safety
• ATEX: Assessed for use in potentially explosive atmospheres per applicable ATEX directives
• CSA: Certified to Canadian Standards Association requirements for the North American market
• VDE: Tested and approved by VDE (Verband der Elektrotechnik) to German/European electrical standards
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life recycling

Applications & Use Cases

• Main incomer protection for large transformers and generators in industrial plants
• Primary distribution switchboards and main low-voltage switchgear assemblies (LVSA)
• Protection of bus-tie and feeder circuits in data centres, hospitals, and utility substations
• Heavy industrial installations including steel mills, petrochemical facilities, and mining operations requiring high breaking capacity
• Marine and offshore power distribution panels where robust, certified equipment is mandated