Indoor High Voltage Ground Switch - Electornic Components
Introduction - Indoor High Voltage Ground SwitchJN15-12 Indoor High Voltage Ground Switch is advanced equipment which has integrated domestic and foreign technology. It has been comprehensively examined and its performance meets GB1985-89"AC High Voltage Isolate Switch and Ground Switch" as well as IEC129 requirements. It is applied to 12kV and below AC 50Hz power system which can be used with various high voltage Switchgear for the ground protection.
Terms of use - High Voltage Ground Switch
1. Advanced indoor load switch
2. Simple structure and convenient installation and adjustment
3. Rapid open and close ability
Working & Environmental Conditions - High Voltage Ground Switch
1. Altitude: ≤1000m
2. Environmental temperature: Maximum +40 °C, minimum -10 °C
3. Stored at 30°C is allowed
4. Earthquake intensity < 8°
5. No flammable, explosive, dangerous chemical corrosion or dramatic shake.
Model Meaning
Main Technical Parameters - High Voltage Ground Switch
| Name | Unit | Data | ||
| Rated voltage | kV | 12 | ||
| Rated short term voltage tolerance | kV | 31.5：40 | ||
| Rated duration time of short circuit current | S | 4 | ||
| Rated short circuit breaking current | kA | 80 | ||
| Rated peak value current tolerance | kA | 80 | ||
| Inter-electrode central distance | Mm | 15, 210, 275 | ||
| Rated insulation level | 1 min work frequency voltage tolerance | |||
| Lightening impact current tolerance | kV | Towards the ground, alternated/ inter-electrode | 42/48 | |
| 75/85 | ||||
Contour & Installation Dimensions - High Voltage Ground Switch
| Model Specifications | L | E | C |
| MJN15-12/31.5-210 | 655 | 210 | 516 |
| MJN15-12/31.5-230 | 710 | 230 | 556 |
| MJN15-12/31.5-250 | 760 | 250 | 596 |
| MJN15-12/31.5-275 | 810 | 275 | 646 |
| Rated short term. Rated short term current tolerance is 31.5kA or40kA | |||
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