ABB 1SDA073916R1 E4.2 W FP Iu=4000 or V version 4p HR HR 4000A 4P Withdrawable Chassis Part Power Circuit Breaker

The ABB 1SDA073916R1 — catalog number E4.2 W FP Iu=4000 or V version 4p HR HR — is a 4000 A, 4-pole withdrawable fixed-part chassis component for the SACE Emax2 E4.2 series air circuit breaker. Designed for heavy-duty industrial power distribution, this chassis part enables withdrawable mounting at up to 4000 A rated current, with HR (high-rupture) rated contacts on both the fixed and moving sides. It weighs 62 kg and measures 551 × 425 × 383 mm, making it suitable for integration into large MV/LV switchgear assemblies and main distribution panels.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with EU Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH chemical regulation requirements
• IEC: Manufactured and tested to International Electrotechnical Commission standards
• IEC 60947: Compliant with IEC 60947 – Low-voltage switchgear and controlgear standard
• ATEX: Suitable for use in potentially explosive atmospheres per ATEX directive
• CSA: Certified by Canadian Standards Association for North American markets
• CE: CE marked – meets all applicable EU safety and electromagnetic compatibility directives
• VDE: VDE certified – tested and approved by the German Association for Electrical, Electronic & Information Technologies

Applications & Use Cases

• Main incomer and bus-tie positions in large LV switchboards and motor control centres (MCCs)
• Industrial power distribution panels requiring withdrawable circuit breaker chassis at 4000 A
• Replacement or upgrade chassis for existing SACE Emax2 E4.2 withdrawable installations
• Heavy-duty manufacturing, data centre, utility, and petrochemical facilities requiring ATEX-rated components
• OEM switchgear builders integrating HR-rated contacts for high-fault-current environments