JN22-40.5/31.5Indoor high voltage grounding switch
Release time：2017/10/31 Hits：5536
Introduction
1. Model No.: JN22B-40.5 / 31.5 high voltage earthing switch
2. Standard: GB 1985-2004 AC HV disconnect switch and earthing switch, IEC62271-102:2002
3. Application: KYN61-40.5 HV switchgear and various types high voltage switchgear
4. Main function: Used for earthing protection
5. Central distance between poles: 300, 350, 400
2. Standard: GB 1985-2004 AC HV disconnect switch and earthing switch, IEC62271-102:2002
3. Application: KYN61-40.5 HV switchgear and various types high voltage switchgear
4. Main function: Used for earthing protection
5. Central distance between poles: 300, 350, 400
Working Condition
1.Ambient temperature:-10~+40°C
2.Altitude: ≤1000m
3.Relative humidity: Day average relative humidity ≤95%， Month average relative humidity ≤90%
4.Earthquake intensity: ≤8degree
5.Appliable in the place without corrosive, flammable gas and water place
6.With no frequently intense vibrant place around.
|
Item |
Item | Data | |
| Rated voltage | kV | 40.5 | |
| Rated short time withstand current | kA | 31.5 | |
| Rated short circuit withstand time | s | 4 | |
| Tated short circuit making current | kA | 80 | |
| Rated peak withstand current | kA | 80 | |
| Rated insulation leve | 1 min power frequency withstand voltage | kV | 95 |
| Lighting impulse withstand voltage | kV | 185 | |
| central distance between poles | mm | 300,350,400 | |
