Product Overview
The JN22-40.5/31.5 indoor high voltage grounding switch (hereinafter referred to as grounding switch) is an advanced product developed by Xi'an High Voltage Electrical Apparatus Research Institute. Designed for 40.5 kV AC 50 Hz systems, this device fully meets the national standard GB1985 "AC high voltage isolation switch and ground switch."
This disconnector earthing switch provides reliable ground protection for high voltage electrical equipment during maintenance and can be used with KYN□-40.5 and other high voltage switchgear models. The disconnector earthing switch ensures safe operation and excellent performance, making it ideal for integration in power systems that require a dependable disconnector earthing switch for secure maintenance connections.
Model Meaning
Main Technical Parameters
|
B(Space between the electrodes) |
H |
A(Channel back mounting hole) |
|
300 |
790 |
3 hole 15×400×φC14 |
|
350 |
890 |
3 hole 15×400×φC14 |
|
400 |
990 |
3 hole 15×400×φC14 |
Working Condition
- Ambient air temperature: upper limit +40℃, lower limit -25 ℃;
- Altitude: 1000m and below;
- Relative humidity: monthly average is not more than 90%,
- The daily average is not more than 95%;
- The surrounding air should not be corroded or flammable gas and water vapor body obvious pollution;
- No regular strenuous exercise
- Pollution resistance grade: Ⅱ.
- If the conditions of use exceed the above provisions, the user and the manufacturer shall negotiate to determine.
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