CJBK20-630 EN50181 11kV 12kV 15kV 24kV 25kV 630A Dead Break Screened Separable Tee Connector (Interface C) with Mechanical Lug Copper Tape Unarmored (Rear Tee)

• Customization: Available
• Interface/Bushing: Type C (EN50181)
• Rated Voltage: 10kV, 20kV
• Model NO.: CJBK20-630
• Rated Current: 630A
• Cable Lug: Mechanical Type
• Material: Silicone Rubber
• Type Tested: Yes
• Cable Shield Style: Copper Tape
• Armour: No
• Transport Package: Carton Box
• Trademark: GCA
• Origin: China
• HS Code: 8546900000
• Production Capacity: 1000000PCS/Year

Product Description

CJBK20-630 -24kV 630A  Dead Break Screened Separable Rear Tee Connector with Mechanical Lug (Interface C1)

Interface C1 bushing (630A)
CJB20-630 and CJBK20-630 are made of silicone rubber, applicable 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 for connecting 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	Suit for diameter over XLPE insulation	Conductor size (17.5kV)	Conductor size (24kV)
CJB20-630-1#, CJBK20-630-1#	16.5-23 mm	35-95 sq.mm	25-70 sq.mm
CJB20-630-2#, CJBK20-630-2#	23-28 mm	120-185 sq.mm	95-150 sq.mm
CJB20-630-3#, CJBK20-630-3#	28-36 mm	240-400 sq.mm	185-300 sq.mm
CJB20-630-4#, CJBK20-630-4#	36-40 mm	500 sq.mm	400-500 sq.mm
CJB20-630-5#, CJBK20-630-5#	40-45 mm	630 sq.mm	630 sq.mm

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


Applications