ABB – VM5‑1 (1SBN030100R1000) – Mechanical Interlock for A-Series Contactors

The ABB VM5‑1 (Part No. 1SBN030100R1000) is a sturdy mechanical interlock designed for safe installation of two ABB A-series contactors (A9–A40 models) in reversing or tandem configurations. It prevents simultaneous closing, ensuring reliable interlocking in motor-control and power distribution systems.

Key Features & Specifications

• Model / P/N: VM5‑1 / 1SBN030100R1000  

• Function: Park rail or plate-mounted mechanical interlock for double-contactors  

• Compatible Contactors: ABB A9, A12, A16, A26, A30, A40 & A-series block contactors (AX06–AX40)  

• Mounting: Clips between two adjacent contactors—no additional hardware required  

• Material & Finish: Durable plastic housing, IP20 rated  

• Dimensions & Weight: Approx. 66 g; compact block accessory  

• Certifications: RoHS compliant; GOST and CE listed