CJB20-630 EN50181 11kV 12kV 15kV 24kV 25kV 630A Dead Break Screened Separable Tee Connector (Interface C) with Compression Lug (Front Tee)

• Customization: Available
• Interface/Bushing: Type C (EN50181)
• Rated Voltage: 10kV, 20kV
• Model NO.: CJB20-630
• Rated Current: 630A
• Cable Lug: Compression Type
• Material: Silicone Rubber
• Type Tested: Yes
• Cable Shield Style: Copper Wire, Copper Tape
• Armour: Unarmored, Steel Tape, Steel Wire
• Transport Package: Carton Box
• Trademark: GCA
• Origin: China
• HS Code: 8546900000
• Production Capacity: 1000000PCS/Year

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

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

Type test was performed in Guangdong Testing Institute of Product Quality Supervision (GQI), which is accredited in accordance with ISO/IEC
17025 General Requirements for the Competence of Testing and Calibration Laboratories. Type test reference standard: IEC60502-4:2005.


Main components

Applicable connection