China CJK20-630D EN50181 11kV 12kV 15kV 24kV 25kV 630A Unscreened Separable Tee Connector with Mechanical Lug Single Core Copper Wire Al Wire Armoured (Rear Tee), Find details about China Cable Termination, Outside Cone from CJK20-630D EN50181 11kV 12kV 15kV 24kV 25kV 630A Unscreened Separable Tee Connector with Mechanical Lug Single Core Copper Wire Al Wire Armoured (Rear Tee)
Kit reference (No.) | Suit for diameter over XLPE insulation (mm) | Conductor size in mm2 (for guidance only) | |
17.5kV (Um) | 24kV (Um) | ||
CJ20-630D-1#, CJK20-630D-1# | 16.5-23 | 35, 50, 70, 95 | 25, 35, 50, 70 |
CJ20-630D-2#, CJK20-630D-2# | 23-28 | 120, 150, 185 | 95, 120, 150 |
CJ20-630D-3#, CJK20-630D-3# | 28-36 | 240, 300, 400 | 185, 240, 300 |
CJ20-630D-4#, CJK20-630D-4# | 36-40 | 500 | 400, 500 |
CJ20-630D-5#, CJK20-630D-5# | 40-45 | 630 | 630 |
Test Item | Test value |
DC voltage withstand | -72kV, 15min |
AC voltage withstand | 54kV, 5min |
Partial discharge | 24kV, ≤10pC |
Heat cycling in air | 95-100°C, 30kV; 5 h heating, 3 h cooling, total 126 cycles |
Thundering impulse voltage withstand | 125kV at 10 positive and 10 negative |
Thermal short circuit test, conductor; θSc = 250°C; 2 stresses | Ik=27.37kA, tk=1.12s |
AC voltage withstand | 30kV, 15min |
Humidity test | 15kV, 300h |