Description
The ABB VEM4 (Product ID: 1SBN030111R1000) is a compact mechanical and electrical interlock set engineered for interlocking two 3-pole or 4-pole AF09 … AF38 or AFC09 … AFC38 contactors side-by-side without increasing total overall width.
The VEM4 set includes a VM4 mechanical interlock unit complete with 2 fixing clips (BB4) and a VE4 front-mounted electrical interlock block featuring an A2-A2 coil connection. When mounted on the front of the contactors, the electrical interlock block automatically connects the built-in NC interlocking contacts to both coils, reducing panel control wiring time and complexity by up to 50% compared to traditional electrical interlocking methods.
Key Features
- Zero-Width Mechanical Interlocking: Interlocks contactors side-by-side without adding extra width to the contactor assembly.
- Integrated Electrical Interlock: Combines mechanical blocking with electrical coil-interlocking in a single kit.
- 50% Wiring Reduction: Front-mounting design automatically connects coil circuitry, dramatically decreasing assembly labor.
- A2-A2 Connection Design: Factory-configured pinout ensures compliance with standard reversing and changeover control schematics.
- Broad AF/AFC Compatibility: Compatible across all standard AF09 to AF38 and AFC09 to AFC38 contactor frames.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | VEM4 |
| Brand / Manufacturer | ABB |
| Product ID | 1SBN030111R1000 |
| EAN Code | 3471523130616 |
| Product Type | Mechanical and Electrical Interlock Set |
| Kit Contents | VM4 Mechanical Interlock Unit, (2) BB4 Fixing Clips, VE4 Electrical Interlock Block |
| Compatible Contactors | ABB AF09 … AF38 / AFC09 … AFC38 (3-pole and 4-pole) |
| Electrical Contact Configuration | Built-in NC interlocking contacts with A2-A2 coil connection |
| Primary Applications | Reversing contactors, star-delta starters, and transfer/changeover switches |
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