EPDM / Silicone Rubber 24kV 250A Dead Break Screened 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.
CBZ20-250 Silicone Rubber Elbow ConnectorThe screened separable
straight connector CBZ20- 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.EPDM 24kV 250A Dead Break
Screened Straight Separable Connector (Interface
A)• EILT24-250-1 EPDM Straight Connector is
screened separable in-line connector made of EPDM rubber, designed
to connect the polymeric cable to transformers, switchgears, cable
branch box and other equipment.• Rated current 250A, for max.
voltage up to 24kV.• The connected bushing is type A, the
interface designed according to DIN 47636, CENELEC EN 50180, EN
50181, IEC 60137.• Electrical specification according to
standard of IEC 60502-4, CENELEC HD 629.1 S2. Each separable
connector is tested for AC withstand and partial discharge prior to
leaving the factory.• EELT24-250-1 EPDMElbow Connector is
screened separable elbow connector made of EPDM rubber, designed to
connect the polymeric cable to transformers, switchgears, cable
branch box and other equipment.• Rated current 250A, for max.
voltage up to 24kV. • EILT24-250-1 Product type and size
for diameter over XLPE insulation Ø (mm) Suitable rated
voltage and recommended cable conductor size Um=17.5kV, (sq.mm)
Um=24kV, (sq.mm) EILT24-250-1, Size 1 Ø16.8~Ø19.2 35, 50 35
EILT24-250-1, Size 2 Ø19.7~Ø22.5 70 50 EILT24-250-1, Size 3
Ø21.5~Ø24.6 95, 120 70, 95 EILT24-250-1, Size 4 Ø23.9~Ø27.3 150 120
EILT24-250-1, Size 5 Ø26.2~Ø28.1 185 150
• EELT24-250-1Product type and size for diameter over
XLPE insulation Ø (mm) Suitable rated voltage and recommended
cable conductor size Um=17.5kV, (sq.mm) Um=24kV, (sq.mm)
EELT24-250-1, Size 1 Ø16.8~Ø19.2 35, 50 35 EELT24-250-1, Size 2
Ø19.7~Ø22.5 70 50 EELT24-250-1, Size 3 Ø21.5~Ø24.6 95, 120 70, 95
EELT24-250-1, Size 4 Ø23.9~Ø27.3 150 120 EELT24-250-1, Size 5
Ø26.2~Ø28.1 185 150 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 /*
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