Description
The ABB VM19 (Order Number: 1SFN030300R1000) is a heavy-duty mechanical locking mechanism engineered to interlock two ABB AF-series contactors of the same size. Designed for industrial control circuits, when mounted between two contactors, the VM19 mechanical interlock positively prevents one contactor from closing while the opposing contactor is energized and closed, eliminating the risk of simultaneous closure.
The VM19 is specifically sized and rated for interlocking medium-to-large contactors ranging from AF116 up to AF370 frames.
Key Features
- Positive Mechanical Interlock: Physically prevents simultaneous closure of paired contactors for safe reversing and transfer switching.
- Broad AF Frame Compatibility: Engineered specifically for medium and large ABB AF-series contactors from AF116 through AF370 of the same frame size.
- Rugged Industrial Design: Built to withstand heavy mechanical switching cycles in demanding industrial motor control panels.
- Seamless Integration: Mounts easily between side-by-side contactors to maintain compact panel layouts.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Type / Model | VM19 |
| Brand / Manufacturer | ABB |
| Order Number | 1SFN030300R1000 |
| EAN Code | 7320500492574 |
| Component Type | Mechanical Locking Mechanism / Interlock Unit |
| Compatible Contactors | ABB AF116 to AF370 (same size frames) |
| Primary Applications | Reversing contactors, motor starters, and power transfer/changeover systems |
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