ABB 1SDA073908R1 E1.2 W FP Iu=1600 4p HR HR 1600A 4P Withdrawable Chassis Part Power Circuit Breaker

The ABB 1SDA073908R1 — catalog number E1.2 W FP Iu=1600 4p HR HR — is a withdrawable chassis part for the SACE Emax 2 power circuit breaker series, rated at 1600 A across 4 poles. Designed for demanding industrial power distribution applications, this chassis part supports horizontal racking (HR) in fixed-position (FP) configurations, ensuring reliable integration into low-voltage switchgear assemblies and main distribution panels.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive, ensuring environmentally responsible material composition.
• REACH: Compliant with EU REACH regulation on chemical substances used in manufacture.
• IEC: Designed and tested in accordance with International Electrotechnical Commission standards.
• IEC 60947: Meets IEC 60947 requirements for low-voltage switchgear and controlgear.
• ATEX: Certified for use in potentially explosive atmospheres where applicable.
• CSA: Certified by the Canadian Standards Association for North American market requirements.
• CE: Bears the CE mark, confirming conformity with applicable EU directives.
• VDE: Tested and certified by VDE (Verband der Elektrotechnik), the German electrical engineering standards body.

Applications & Use Cases

• Main and sub-main power distribution switchboards in industrial facilities, data centres, and commercial buildings
• Generator and transformer feeder protection in medium-to-large electrical installations
• Replacement or spare chassis unit for existing SACE Emax 2 E1.2 withdrawable installations
• Panel builders integrating withdrawable ACB assemblies requiring horizontal racking chassis
• Critical infrastructure applications where ATEX and IEC 60947 compliance is mandatory