Cross Bonding Link Box

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Features

This link box is used for the cross bonding of the metal sheath of the single-core cable by limiting the surge overvoltage on both sides of the insulation segment of the metal sheath and the insulation joint, controlling the induced voltage of the metal sheath, and lowering (or eliminating) the eddy current on the sheath layer. This can prevent the breakdown of the cable outer sheath and make sure the safe operation of the cable;
The sheath is made of 304 stainless steel, the interior of which can be filled with resin;
Small volume, light, easy to install and the sheath protector can be replaced.

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Electrical Performance

Test Item	Technical Requirements
DC voltage withstand test	Neither breakdown nor flashover shall occur at 20kV for 1 min
Impulse voltage test	Neither breakdown nor flashover shall occur at 10 positive and 10 negative impulse of 40kV (peak value)
Insulation resistance test between copper bar and housing	Not less than 20MΩ
Contact resistance test of copper bar	Nor more than 20μΩ

Main Electrical Performance of SVL (sheath voltage limiter)

Test item	BHQ-7/600	BHQ-10/600
DC 1mA reference voltage	40kV	5.8kV
Rectangular wave capacity	600A	600A
Residual voltage ratio	K≤2	K≤2
Current capacity	100kA	100kA
Rated voltage	2.8kV	4kV
Residual voltage of nominal discharge	≤7kV	≤10kV

Ordering information: (For all HV cable accessories)

Cable configuration and the cross-sectional area of earth wire shall be provided when ordering.
Welcome to contact our sales manager for any special requirements before placing your order.