ABB VM3 mechanical interlock unit for AS series contactors, designed to prevent simultaneous contactor operation in motor control applications.
£17.02
The ABB 1SBN031005T1000 VM3 is a compact mechanical interlock unit designed for ABB AS series contactors, providing reliable mechanical prevention of simultaneous contactor operation in reversing and changeover motor control applications.
This accessory is mounted between two compatible ABB contactors to physically prevent both devices from closing at the same time. The VM3 helps improve the safety and reliability of industrial control assemblies by ensuring correct contactor sequencing during operation.
With a compact design and included fixing clips, the ABB VM3 enables space-efficient installation in motor starters, automation panels and industrial electrical assemblies where dependable contactor interlocking is required.
Mechanical interlocks such as the ABB VM3 provide coordinated switching control in contactor-based motor control systems. By physically preventing two contactors from closing simultaneously, they help reduce the risk of incorrect operation in reversing starter applications.
The VM3 is designed for machine builders, panel builders and industrial automation engineers requiring a compact and reliable solution for contactor coordination.
| Manufacturer | ABB |
|---|---|
| Series | Contactor Accessories |
| Model | VM3 |
| Product ID | 1SBN031005T1000 |
| Product type | Mechanical interlock unit |
| Suitable for | ABB AS series contactors |
| Auxiliary contacts | None |
| Function | Mechanical contactor interlocking |
| Mounting type | Contactor mounted accessory |
| Included accessories | 2 fixing clips |
| Mechanical durability | 5 million operating cycles |
| Weight | 0.002 kg |
The ABB VM3 is a mechanical interlock unit used to prevent simultaneous operation of two compatible ABB AS series contactors.
The VM3 is designed for use with ABB AS series contactors.
No. The VM3 provides mechanical interlocking only and does not include auxiliary electrical contacts.
The VM3 includes two fixing clips for mounting between compatible contactors.
The VM3 is installed between two compatible ABB contactors in motor starters and industrial control assemblies.
ABB VM3 mechanical interlock units provide reliable contactor coordination solutions, helping engineers build safer and more dependable industrial motor control systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...