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1SBN030100R1000 ABB VM5-1 Mechanical Interlock Unit
ABB VM5-1 mechanical interlock unit for ABB contactors, designed to prevent simultaneous contactor operation in motor control applications.
£11.36
Why Choose the ABB VM5-1 Mechanical Interlock Unit?
The ABB 1SBN030100R1000 VM5-1 is a compact mechanical interlock unit designed for use with ABB contactors, providing reliable mechanical prevention of simultaneous contactor operation in reversing, changeover and star-delta starter applications. As part of the ABB contactor accessory range, it helps improve the safety and reliability of industrial motor control assemblies.
This mechanical interlock accessory is installed between two compatible ABB contactors to physically prevent both devices from closing at the same time. It provides a simple and effective solution for applications where electrical and mechanical interlocking are required to control contactor switching sequences.
With a compact design suitable for ABB A-series contactors, the VM5-1 enables space-efficient installation in motor control panels and automation systems where reliable contactor coordination is required.
Key Advantages
- Compact mechanical interlock unit for ABB contactors.
- Prevents simultaneous operation of two mechanically linked contactors.
- Suitable for reversing contactors, changeover contactors and star-delta starters.
- Reduces the risk of incorrect contactor operation in motor control circuits.
- Compatible with a wide range of ABB A-series contactors.
- Simple installation for industrial control applications.
Key Features
- ABB VM5-1 mechanical interlock unit.
- Product ID: 1SBN030100R1000.
- Mechanical interlocking function for two ABB contactors.
- Designed for ABB A-series contactors.
- Suitable for reversing and changeover contactor assemblies.
- Can be combined with electrical interlocking using auxiliary contacts.
- Compact accessory design for control panels.
Reliable Contactor Interlocking for Industrial Control
Mechanical interlocks such as the ABB VM5-1 are used in contactor assemblies where two switching devices must not operate simultaneously. By physically linking the contactors, the interlock provides an additional layer of protection alongside electrical interlocking circuits.
The VM5-1 is widely used by panel builders, machine manufacturers and industrial automation engineers to create dependable motor control systems with reversing, changeover and starter control functions.
Typical Applications
- Reversing motor starters.
- Changeover contactor assemblies.
- Star-delta starter systems.
- Industrial motor control panels.
- Automation and machine control equipment.
- OEM electrical assemblies.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Manufacturer | ABB | |
| Series | Contactor Accessories | |
| Model | VM5-1 | |
| Product ID | 1SBN030100R1000 | |
| Product type | Mechanical interlock unit | |
| Suitable for | ABB A-series contactors | |
| Function | Mechanical interlocking of contactors | |
| Mounting type | Contactor mounted accessory | |
| Standards | IEC/EN 60947-4-1, UL 60947-1, UL 60947-5-1 | |
| Protection rating | IP20 | |
| Dimensions (W × H × D) | 15 × 70 × 71 mm | |
| Weight | 0.066 kg |
Frequently Asked Questions
What is the ABB VM5-1 used for?
The ABB VM5-1 is a mechanical interlock unit used to prevent simultaneous operation of two compatible ABB contactors.
Which contactors are compatible with the VM5-1?
The VM5-1 is designed for ABB A-series contactors including compatible A9, A12, A16, A26, A30 and A40 contactor types.
Where is the VM5-1 typically installed?
The VM5-1 is installed between two contactors inside industrial control panels and motor control assemblies.
Does the VM5-1 provide electrical interlocking?
The VM5-1 provides mechanical interlocking. Electrical interlocking can be added using suitable normally closed auxiliary contacts connected to the contactor coils.
What are the dimensions of the ABB VM5-1?
The VM5-1 has dimensions of approximately 15 × 70 × 71 mm.
Trusted by Industrial Automation Professionals
ABB mechanical interlock units provide reliable contactor coordination solutions for motor control systems, helping engineers build safer and more dependable industrial automation equipment.
