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EP 20 concluded, Comking depicted a new vision of the intelligent and sustainable development of the power world
2020 Shanghai International Electric Power Equipment and Technology Exhibition. It has been successfully concluded on December 5~ -
Dry air insulated switchgear debuted at the Asian Power and Electrical Exhibition
From June 6 to 8, 2016, Comking Electric was invited to participate in the 2016 Asian Power and Electrical and Smart Grid Exhibition.
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15KV Shielded Front (Rear) Arrester
- While the front arrester can be directly connected with a casing seat and wall bushing, the rear arrester is connected with a front or additional plug to provide voltage protection for electric equipment.
►Introduction
While the front arrester can be directly connected with a casing seat and wall bushing, the rear arrester is connected with a front or additional plug to provide voltage protection for electric equipment.
►Features
The built-in zinc oxide valve plate is characterized by good nonlinear volt-ampere characteristic curve, low residual voltage of arrester, large through-current capacity, quick response time and flat wave steepness. It can effectively prevent lightning strokes and switching impulse and provide over-voltage protection, thereby ensuring the safe operation of power transmission and transformation equipment;
- Fully insulated, fully sealed and fully shielded front or rear connector.
►Model Description for Shielded Front Arrester
| Model | Rated Voltage | Continuous Operating Voltage | Nominal Discharge Current |
| CKPQYH5WZ-17/45 | 17kV | 13.6kV | 5kA |
| CKPQYH5WZ-17/50 | 17kV | 13.6kV | 5kA |
►Model Description for Shielded Rear Arrester
| Model | Rated Voltage | Continuous Operating Voltage | Nominal Discharge Current |
| CKPHYH5WZ-17/45 | 17kV | 13.6kV | 5kA |
| CKPHYH5WZ-17/50 | 17kV | 13.6kV | 5kA |
►Arrester’s Main Electric Performance
| No. | Testing Items | 17/45 Testing Standards | 17/50 Testing Standards |
| 1 | DC 1mA Reference Voltage | ≥24kV | ≥25kV |
| 2 | Steep Wave Impulse Residual Voltage | ≤51.8kV | ≤57.5kV |
| 3 | Lightning Impulse Residual Voltage | ≤45kV | ≤50kV |
| 4 | Operating Impulse Residual Voltage | ≤38.3kV | ≤42.5kV |
| 5 | Power Frequency Withstand Voltage (AC) of Insulating Sheath | 39kV, 5min | 39kV, 5min |
| 6 | Partial Discharge | ＜15kV, ≤10pC | ＜15kV, ≤10pC |
►Dimensions and Pictures
1. Shielded Front Arrester
2. Shielded Rear Arrester
Click 15kV/630A shielded front connector to learn more about the products.
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