High Voltage Earthing Switch
JN17-12/40 High Voltage Earthing Switch
JN17-12/40 High Voltage Earthing Switch
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Product Details



JN17-12/40 (old type is JN15-12/40) series indoor high voltage earthing switch is a new design and improved product of our company according to the ES1 type, the structure is assembled, suitable with electric power system with 3-10KV, Three-phase, AC 50(60)Hz, support with various kinds of HV switchgear and as earthing protection. It is manufactured comply with GB1985-2004 and IEC129 standard.

Working Condition

  1. Ambient temperature:-10~+40℃

  2. Altitude: ≤1000m (sensor height:140mm)

  3. Relative humidity: Day average relative humidity ≤95%

                                       Month average relative humidity ≤90%

  4. Earthquake intensity: ≤8degree

  5. Dirtiness degree: II

​Technical Parameters


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