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ABB vm4 mechanical interlock unit

MPN: 1SBN030105T1000

Alt. SKU: VM4

Special Price £10.68 £8.90 Regular Price £16.43

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Why Choose the VM4 [1SBN030105T1000]

The VM4 mechanical interlock unit is engineered to enable side-by-side interlocking of two 3-pole or 4-pole contactors from the AF09...AF38, AFC09...AFC38, and AFS09...AFS38 series without increasing the overall width. Installed between the contactors, the VM4 prevents simultaneous closure by mechanically locking one contactor when the other is engaged, ensuring safe and reliable operation. The unit is supplied complete with two BB4 fixing clips for secure mounting.

Technical Specification

  • Function: Mechanical interlock unit for side-by-side interlocking of two 3 or 4-pole AF09...AF38 contactors.
  • Compatibility: Suitable for AF09, AF12, AF16, AF26, AF30, AF38 series including variants AFC, AFS, and B versions.
  • Mounting: Fits between two contactors to prevent simultaneous closing.
  • Standards: IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1-13, CSA C22.2 No. 60947-4-1.
  • Mechanical Switching Frequency: Maximum 1800 cycles per hour.
  • Weight: 0.005 kg.
  • Included Components: Comes with 2 fixing clips (BB4) for secure installation.

Trusted By Customers Worldwide

"Specified by UK panel builders for dependable control." Controls Engineer, UK

Frequently Asked Questions

What is the function of the VM4 mechanical interlock unit?
The VM4 mechanical interlock unit is designed to interlock two 3-pole or 4-pole contactors, preventing one from closing while the other is closed.
Which contactor series is compatible with the VM4?
The VM4 is compatible with AF09, AF12, AF16, AF26, AF30, and AF38 series contactors, including variants AFC, AFS, and B versions.
How is the VM4 mounted?
The VM4 is mounted between two contactors to facilitate side-by-side interlocking without additional width.
What is the maximum mechanical switching frequency for the VM4?
The maximum mechanical switching frequency for the VM4 is 1800 cycles per hour.
What components are included with the VM4?
The VM4 includes 2 fixing clips (BB4) for secure installation.
What are the weight specifications of the VM4?
The weight of the VM4 mechanical interlock unit is 0.005 kg.
What standards does the VM4 conform to?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SBN030105T1000
HS Code 85389099
Manufacturer ABB
Country of Manufacture Poland
Alternative Product SKU VM4
Barcode 3471523130609
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