AS4BU is a blue shorting link / jumper bar accessory specially designed for industrial electrical terminal block systems where common circuit distribution, fast terminal bridging, and organized electrical cross-connection are required. In electrical control panels, PLC cabinets, switchboards, machine control assemblies, and industrial automation systems, multiple adjacent terminal blocks often need to share the same electrical potential, signal line, or common neutral distribution.
Using manual jumper wires for such applications can increase wiring complexity, consume more installation time, and create an unorganized panel layout. The AS4BU solves this problem by providing a compact plug-in cross-connection accessory that bridges adjacent terminal blocks electrically, allowing a common electrical path to be distributed efficiently across connected terminals.
The blue body color offers an additional visual identification benefit and is commonly used in industrial panels for neutral circuit grouping, specific wiring section identification, and circuit separation, making panel servicing and troubleshooting easier.
The AS4BU works as a plug-in shorting link / jumper bar, designed to create an electrical bridge between adjacent compatible terminal blocks.
Its working design provides:
The internal conductive strip transfers electrical continuity across the connected terminals, allowing one electrical source to be distributed across multiple terminal points safely and efficiently.
This improves panel wiring speed and reduces connection complexity.
The blue color coding improves visual recognition of dedicated circuit groups inside electrical panels.
Safety advantages include:
This helps technicians identify grouped circuits quickly and safely.
Blue accessories are commonly used in industrial electrical panels for:
This supports professional electrical panel design.
The AS4BU is manufactured using high-conductivity electrical metal with industrial-grade insulated carrier support, designed for industrial electrical applications.
Construction advantages include:
Its rugged design ensures dependable terminal block cross-connection performance.
Using AS4BU improves electrical panel layout by replacing loose jumper wires with a structured cross-connection accessory.
Benefits include:
| Parameter | Specification |
|---|---|
| Product Code | AS4BU |
| Product Type | Shorting Link / Jumper Bar |
| Color | Blue |
| Application | Terminal Block Cross Connection |
| Function | Common Potential Distribution |
| Connection Type | Plug-in Type |
| Material | Conductive Metal with Insulated Carrier |
| Current Carrying Capacity | Industrial Standard |
| Mounting Type | Terminal Block Plug-in Mount |
| Mechanical Strength | High |
| Electrical Continuity | Reliable |
| Installation | Easy Push Fit |
| Durability | Long Service Life |
| Industrial Use | Control Panels, Switchboards, Automation Systems |
Reduces manual jumper wiring and installation time.
Blue body supports visual circuit grouping.
Creates clean and structured terminal bridging.
Ensures stable electrical continuity across connected terminals.
Built for long-term industrial use.
Improves troubleshooting and servicing access.
Supports organized electrical panel layouts.
AS4BU is widely used in:
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