CJB20-630 CJBK20-630-24kV 630A Dead Break Screened Separable
Tee Connector (Interface C1) Interface C1 bushing (630A) CJB20-630
and CJBK20-630 are made of silicone rubber, suit for connecting
with type C1 bushing as described by CENELEC EN 50180, 50181 and
DIN 47636. CJB20-630 The screened separable tee connector CJB20-630
is designed to connect the polymeric cable to transformers,
switchgears and other equipment. CJBK20-630 The screened separable
connector CJBK20-630 is application for dual cable arrangement,
designed to be used with CJB20-630 screened separable tee
connectors. Design Type C1 bushing • Stud +
nut + washers • Insulating back plug (with test point is
available) • Cable lug (compression and mechenical type are
available) • Inner screen layer • Insulation layer
• Outer screen layer • Stress cone • arthing wire
• Cable core • B type connecting rod Selection
guide Kit reference (No.) Suit for diameter over XLPE
insulation (mm) Suitable cable size (sq.mm) Um=17.5kV Cable Um=24kV
Cable CJB20-1250-1#, CJBK20-1250-1# 16.5-23 35, 50, 70, 95 25, 35,
50, 70 CJB20-1250-2#, CJBK20-1250-2# 23-28 120, 150, 185 95, 120,
150 CJB20-1250-3#, CJBK20-1250-3# 28-36 240, 300, 400 185, 240, 300
CJB20-1250-4#, CJBK20-1250-4# 36-40 500 400, 500 CJB20-1250-5#,
CJBK20-1250-5# 40-45 630630Technical DataTest Item Test value AC
voltage withstand 54kV, 5min AC voltage withstand 30kV, 15min
Partial discharge 20kV, ≤10pC Heating cycles voltage test 30 cycles
in air, 30 cycles under water at 95-100°C, 30kV Thundering impulse
voltage withstand 125kV at 10 positive and 10 negative Screen
resistance Not exceed 5000Ω Screen leakage current Maximum 0.5mA at
24kV Thermal short-circuit test No visible deterioration at 37.3kA,
2s Dynamic short-circuit test No visible deterioration at 131.9kA,
10ms Type test was performed in Guangdong Testing Institute of
Product Quality Supervision (GQI), which is accredited in
accordance with ISO/IEC17025 General Requirements for the
Competence of Testing and Calibration Laboratories. Type test
reference standard: IEC60502-4:2005.Main components Applicable
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