Audited Supplier
CJBKP20
Type C (EN50181)
10kV, 20kV
630A
Mechanical Type, Compression Type
Silicone Rubber
Yes
GCA
Carton Box
China
8546900000
Product Description
CJBKP20 Separable surge arrester conectors (outside cone type)
Surge arrester designed to protect medium voltage components, including transformers, equipment, cable and accessories from high voltage surges resulting from lightning or switching.
CJBKP20 application for coupling with 24kV separable T connector CJB20-630, CJB20-1250.
Technical Data
5kA Nominal discharge current
| Test Item | Unit | CJBP20 / CJBKP20 | CJBP20 / CJBKP20 | CJBKP30 | CJBKP30 | CJBKP30 |
| YH5WZ-26/66 | YH5W-30/85 | YH5WZ-34/85 | YH5W-36/121 | YH5W-45/118 | ||
| Rated voltage ( Ur) | kV | 26 | 30 | 34 | 36 | 45 |
| Continuous operating voltage (Uc) | kV | 20.8 | 24 | 27.2 | 28.8 | 36 |
| AC reference voltage (U1mA) | kV | U1mA AC≥ 26 | U1mA AC≥ 30 | U1mA AC≥ 34 | U1mA AC≥ 36 | U1mA AC≥ 45 |
| DC reference voltage (U1mA) | kV | ≥37 | ≥43 | ≥48 | ≥51.6 | ≥64.5 |
| Leakage current under DC 0.75U1mA | μA | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 |
| Nominal discharge current | kA | 5 | 5 | 5 | 5 | 5 |
| Steep current impulse residual voltage (Peak value) | kV | ≤76 | ≤98 | ≤95 | ≤139 | ≤136 |
| 8/20μs Lightning impulse residual voltage (Peak value) | kV | ≤66 | ≤85 | ≤85 | ≤121 | ≤118 |
| Switching impulse residual voltage (Peak value) | kV | ≤56 | ≤72.2 | ≤75 | ≤103 | ≤100 |
| Long-duration current impulse, 2ms | A | 150 | 250 | 150 | 400 | 250 |
| 4/10μs high current impulse | kA | 65 | 65 | 65 | 65 | 65 |
| Partial discharge | - | 21.8kV, ≤10pC | 25.2kV, ≤10pC | 28.6kV, ≤10pC | 30.3kV, ≤10pC | 37.8kV, ≤10pC |
| Height (h) | mm | 286 | 318 | 345 | 345 | 420 |
10kA Nominal discharge current
| Test Item | Unit | CJBP20, CJBKP20 | CJBP20, CJBKP20 | CJBP20, CJBKP20 | CJBKP30 | CJBKP30 | CJBKP30 |
| YH10WZ-26/72 | YH10WZ-30/85 | YH10W-30/91 | YH10WZ-34/95 | YH10W-36/121 | YH10W-45/127.5 | ||
| Rated voltage ( Ur) | kV | 26 | 30 | 30kV | 34 | 36 | 45 |
| Continuous operating voltage( Uc) | kV | 20.8 | 24 | 24kV | 27.2 | 28.8 | 36 |
| AC reference voltage (U1mA) | kV | U1mA AC≥ 26 | U1mA AC≥ 30 | U1mA AC≥ | U1mA AC≥ 34 | U1mA AC≥ 36 | U1mA AC≥ 45 |
| DC reference voltage (U1mA) | kV | ≥37 | ≥43 | 43 | ≥48 | ≥51.6 | ≥64.5 |
| Leakage current under DC 0.75U1mA | μA | ≤ 50μA | ≤50 | ≤ 20 | ≤50 | ≤50 | ≤50 |
| Nominal discharge current | kA | 10 | 10 | 10 | 10 | 10 | 10 |
| Steep current impulse residual voltage (Peak value) | kV | ≤ 85 | ≤98 | ≤104 | ≤105 | ≤139 | ≤146.5 |
| 8/20μs Lightning impulse residual voltage (Peak value) | kV | ≤ 72 | ≤85 | ≤91 | ≤95 | ≤121 | ≤127.5 |
| Switching impulse residual voltage (Peak value) | kV | ≤ 65 | ≤64.9 | ≤77 | ≤85 | ≤103 | ≤108.5 |
| Long-duration current impulse, 2ms | A | 400 | 400 | 350 | 400 | 400 | 400 |
| 4/10μs high current impulse | kA | 100 | 100 | 65 | 100 | 100 | 100 |
| Partial discharge | - | 21.8kV, ≤10pC | 25.2kV, ≤10pC | 25.2kV, ≤10pC | 28.6kV, ≤10pC | 30.3kV, ≤10pC | 37.8kV, ≤10pC |
| Height (h) | mm | 286 | 318 | 318 | 345 | 345 | 450 |
