CJB20-630
Type C (EN50181)
10kV, 20kV
630A
Mechanical Type
Silicone Rubber
Yes
Copper Wire, Copper Tape
Unarmored, Steel Tape, Steel Wire
GCA
Carton Box
China
8546900000
Product Description
CJB20-630 -24kV 630A Dead Break Screened Separable Front 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
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 | 630 | 630 |
Technical data
| Test 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 |
17025 General Requirements for the Competence of Testing and Calibration Laboratories. Type test reference standard: IEC60502-4:2005.
Main components
Applications
