CB20, CBZ20, EILT24, EELT24
Type A (EN50181)
10kV, 20kV
250A
Compression Type
Silicone Rubber, EPDM
Yes
GCA
Carton Box
China
8546900000
Product Description
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 Connector
The 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 |
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 EPDM Elbow 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 |
• EELT24-250-1
| 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) | ||
| 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 |
