CB20-250 11kV 12kV 15kV 24kV 25kV 250A Silicone Rubber Dead Break Screened Straight Separable Connector (Interface A)

• Interface: Type A (EN50181)
• Rated Voltage: 10kV, 20kV
• Rated Current: 250A
• Cable Lug: Compression Type
• Material: Silicone Rubber
• Type Tested: Yes
• Model NO.: CB20-250
• Transport Package: Carton Box
• Trademark: GCA
• Origin: China
• HS Code: 8546900000
• Production Capacity: 1000000PCS/Year

Product Description

CB20-250-24kV 250A Dead Break Screened Straight Separable Connector(Interface A)
 

Interface A bushing (250A)
CB20-250 is made of silicone rubber, suit for connecting with type A bushing as described by CENELEC EN 50180, 50181 and DIN 47636.
CB20-250 Silicone Rubber Straight Connector 
The screened separable elbow connector CB20-250 is designed to connect the polymeric cable to transformers, switchgears, other equipment.

 

Selection guide
 

Product type and size	for diameter over XLPE insulation Ø (mm)	Suitable cable size (sq.mm)
		Um=12kV cable	Um=17.5kV cable	Um=24kV cable	Um=36kV cable
Size 1	Ø17~Ø22	70~120	35~70	25~50
Size 2	Ø22~Ø26	150~185	95~150	70~120	25~50
Size 3	Ø26~Ø29	240	185~240	150~185	70~95

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
Disconnect / connect	Five complete operations, no visible damage to contact
Screen resistance	Not exceed 5000Ω
Thermal short-circuit test	No visible deterioration at 12.2kA, 2s
Dynamic short-circuit test	No visible deterioration at 44.3kA, 60ms

Type test was performed in Quality Inspection and Test Center for Equipment of Electric Power (in Wuhan), 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.


Applicable connection