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Applications:
Pre expanded indoor termination for 8.7/15(17.5)kV to 12.7/20(24)kV,, single &3 core plastic insulated cable with tape/wire screen and with or without armour.
Features:
Quick, easy and safe installation.
High mechnical strength.
Wide cross section range.
Compact dimensions.
Unlimited shelf life.
8.7-15kV(17.5) to 12.7/20(24)kV Silicone Rubber Pre-mould Cable Joint Technical Data
Test sequence Item Requirements acc. to IEC 60502.4 Remarks
8.7/15(17.5)kV 12/20(24)kV IEC 60502.4
1 AC withstand voltage test (in air and ambient temperature) AC for 5 min. at 39kV. No breakdown, No flashover AC for 5 min. at 54kV. No breakdown, No flashover PASS
2 Partial discharge 10pC max. at 15kV 10pC max. at 20kV PASS
3 Impulse withstand test 10 impulses of each polarity at 95kV 10 impulses of each polarity at 125kV PASS
4 Heating cycles in air 30 cycles at 95℃--100℃ and 22kV in air, No breakdown, No flashover 30 cycles at 95℃--100℃ and 30kV in air, No breakdown, No flashover PASS
5 Heating cycles under water 30 cycles at 95℃--100℃ and 22kV under water, No breakdown, No flashover 30 cycles at 95℃--100℃ and 30kV under water, No breakdown, No flashover PASS
6 Partial discharge at 95℃--100℃ 10pC max. at 15kV 10pC max. at 20kV PASS
7 Thermal short-circuit (screen) No visible deterioration at 3.0 kA, 1s No visible deterioration at 3.0 kA, 1s PASS
8 Thermal short-circuit (conductor) No visible deterioration at 23.0 kA, 2s No visible deterioration at 23.0 kA, 2s PASS
9 Dynamic short-circuit No visible deterioration at 81.0 kA, not less than 10 ms No visible deterioration at 81.0 kA, not less than 10 ms PASS
10 Impulse withstand test at 95℃--100℃ 10 impulses of each polarity at 95kV 10 impulses of each polarity at 125kV PASS
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