ABB 1SDA072541R1 E4.2N 4000 Ekip Dip LI 3p WMP 4000A 3P 66kA Withdrawable Power Circuit Breaker

The ABB 1SDA072541R1, catalog number E4.2N 4000 Ekip Dip LI 3p WMP, is a 4000A 3-pole withdrawable power circuit breaker from the SACE Emax2 E4.2 series, delivering a breaking capacity of 66 kA at 400 V AC. Designed for protection of transformers, generators, and electrical installations in heavy-duty industrial environments, the E4.2N 4000 Ekip Dip LI 3p WMP features the Ekip Dip LI trip unit providing Long-time and Instantaneous protection functions with precise digital settings. Its withdrawable (WMP – Moving Part) mounting configuration enables safe maintenance and rapid replacement without de-energising the full switchboard.

Technical Specifications

Certifications & Standards

• IEC: Compliant with IEC 60947-2 standard for low-voltage circuit breakers
• CE: CE marked in accordance with applicable EU directives
• UL 2799: Certified per UL 2799 for electrical systems
• ATEX: Certified for use in potentially explosive atmospheres
• CSA: Canadian Standards Association certified
• VDE: Tested and certified by VDE (Verband der Elektrotechnik)
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation (EC) No 1907/2006
• WEEE: Compliant with Waste Electrical and Electronic Equipment Directive 2012/19/EU

Applications & Use Cases

• Main incomer protection for large power transformers and generators
• Bus-coupler and tie-breaker duties in medium-to-large MV/LV substations
• Outgoing feeder protection in industrial distribution switchboards
• Data centre and critical infrastructure power distribution
• Marine, oil & gas, and ATEX-classified installations requiring certified equipment
• Infrastructure projects (airports, hospitals, utilities) demanding high breaking capacity at 400 V AC