Single-Core Cable Sheath Protector

Serial Number

Test Items

Standard requirements

BHO(FBY-6)

BHO(FBY-12)

1

Use the cable sheath with the highest power frequency induction over-current

6kV

12KV

2

Square wave capacity

800A

800A

3

Residual pressure ratio

K≤2.5

K≤2.5

4

Throughflow capacity

65KA

65kA

5

DC residual voltage test

1mA, residual voltage ≤ 45kV

1mA, residual voltage ≤ 9kV

6

8/20us impulse current test (20 times)

1mA, residual voltage ≤ 45XV

1mA, residual voltage ≤ 45kV