ABB 1SDA073121R1 E4.2N 3200 Ekip Dip LI 4p WMP 3200A 4P 66kA Withdrawable Power Circuit Breaker

The ABB 1SDA073121R1 E4.2N 3200 Ekip Dip LI 4p WMP is a heavy-duty, withdrawable 4-pole air circuit breaker from the SACE Emax2 E4.2 series, rated at 3200 A with a breaking capacity of 66 kA at 400 V AC. Engineered for transformer, generator, and main installation protection, this power circuit breaker delivers precision overcurrent and short-circuit tripping via the Ekip Dip LI trip unit in a robust withdrawable (WMP — Moving Part) format suitable for demanding industrial switchgear assemblies.

Technical Specifications

Certifications & Standards

• IEC: Designed and tested in accordance with IEC standards for air circuit breakers and low-voltage switchgear.
• CE: Compliant with European Union CE marking requirements for electrical equipment.
• VDE: Verified to VDE (Verband der Elektrotechnik) standards for safety and performance.
• UL 2799: Certified to UL 2799, supporting zero-waste-to-landfill manufacturing credentials.
• ATEX: Assessed for use considerations in potentially explosive atmospheres per ATEX directive.
• CSA: Certified by the Canadian Standards Association for North American market compliance.
• RoHS: Compliant with the Restriction of Hazardous Substances Directive — free from restricted hazardous materials.
• REACH: Compliant with REACH regulation (EC No. 1907/2006) on chemical substance safety.
• EU Directive 2011/65/EU: Meets the European RoHS recast directive requirements for electrical and electronic equipment.
• EN 45555: Compliant with EN 45555 general methods for the assessment of the ability to recover materials and energy from electrical and electronic equipment.
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible end-of-life management.

Applications & Use Cases

• Main incoming protection for large transformers and power distribution panels
• Generator protection in standby and prime power installations
• Bus-tie and feeder protection in main low-voltage switchboards (MLVS)
• Industrial plant distribution at 3200 A capacity in withdrawable switchgear
• Data centres, utilities, and heavy manufacturing facilities requiring high breaking capacity at 400 V AC