About the ABB VM4
The VM4, 1SBN030105T1000, mechanical interlock units are designed for the interlocking of two AF contactors. When mounted between two contactors, the VM mechanical interlock unit prevents one of the contactors from closing as long as the other contactor is closed. For use with AF series contactors
Suitable For Contactors
AF09 - AF38
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Contactor Interlocks
- Mechanical Interlock