1SBN031005T1000 ABB VM3 Mechanical Interlock Unit

1SBN031005T1000 ABB VM3 Mechanical Interlock Unit

ABB VM3 mechanical interlock unit for AS series contactors, designed to prevent simultaneous contactor operation in motor control applications.

SKU: 1SBN031005T1000Alt SKU: VM3MPN: 1SBN031005T1000
Price
List Price £17.02 ex VAT
Your Price (ex VAT) Save 35%
£11.06 35% OFF
You save £5.96 per unit
Manufacturer Lead Time Estimated Delivery 4 - 5 Days
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £11.06
Trade pricing is personalised to your account

Manufacturer Lead Time

£11.06

Why Choose the ABB VM3 Mechanical Interlock Unit?

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.

Key Advantages

  • Compact mechanical interlock unit for ABB contactors.
  • Prevents simultaneous operation of two mechanically linked contactors.
  • Suitable for reversing contactor assemblies.
  • Allows installation without additional contactor assembly width.
  • Includes fixing clips for straightforward mounting.
  • Designed for industrial motor control and automation applications.

Key Features

  • ABB VM3 mechanical interlock unit.
  • Product ID: 1SBN031005T1000.
  • Mechanical interlocking function for two ABB AS series contactors.
  • No auxiliary electrical contacts included.
  • Includes two fixing clips.
  • Suitable for reversing contactor configurations.
  • Compact accessory design for control panels.
  • Mechanical durability rated for high switching cycle applications.

Reliable Contactor Interlocking for Industrial Control

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.

Typical Applications

  • Reversing motor starters.
  • Industrial motor control panels.
  • Automation machinery.
  • Contactor assemblies.
  • OEM electrical control systems.
  • Production equipment requiring contactor interlocking.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type Accessory
Auxiliary Contacts None
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

Frequently Asked Questions

What is the ABB VM3 used for?

The ABB VM3 is a mechanical interlock unit used to prevent simultaneous operation of two compatible ABB AS series contactors.

Which contactors are compatible with the VM3?

The VM3 is designed for use with ABB AS series contactors.

Does the VM3 include electrical interlocking contacts?

No. The VM3 provides mechanical interlocking only and does not include auxiliary electrical contacts.

What accessories are included with the VM3?

The VM3 includes two fixing clips for mounting between compatible contactors.

Where is the VM3 installed?

The VM3 is installed between two compatible ABB contactors in motor starters and industrial control assemblies.

Trusted by Industrial Automation Professionals

ABB VM3 mechanical interlock units provide reliable contactor coordination solutions, helping engineers build safer and more dependable industrial motor control systems.