Insulated Flexible Copper Bars

What an insulated flexible busbar replaces

Inside a panel, a rigid copper bar has to be cut, bent and drilled to reach from one point to another, and every bend is a piece of workshop time. A flexible insulated bar carries the same current but bends to the route, so the connection between a main switch and a distribution block can be made without fabricating a bar for that exact geometry.

How the bar is built

The bar is made of copper foils overlapping each other and coated with a special PVC compound. The layered construction is what makes it flexible — each foil moves slightly against the next when the bar is bent — while the total cross-section still carries the current of a solid bar of the same size.

Technical data

• Conductor — Cu-ETP copper to EN 1652.
• Insulation — PVC, UL94 V0 flammability class.
• Voltage — 1000 V AC / 1500 V DC.
• Length — 2 m standard, customised upon request.

Where it is used

Between the main switch and the distribution busbar, between busbar and outgoing breakers, and anywhere the connection has to pass around equipment inside the enclosure rather than run straight. Because the bar is insulated along its length, it can pass close to other live parts without the clearance a bare bar would need.