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

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

• Model / P/N: VM‑ / SBNR  

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

• Compatible Contactors: ABB A, A, A, A, A, A & A-series block contactors (AX–AX)  

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

• Material & Finish: Durable plastic housing, IP rated  

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

• Certifications: RoHS compliant; GOST and CE listed