7.2KV-24KV earthing switch for air insulated switchgear details listed as belows:

Indoor earthing switch is a new desig which as is improved on the ES1 type,suitable with electric power
system with 3-12KV, Three-phase, AC 50(60)Hz, support with various kinds of HV switchgear and as earthing protection. It is complied with
GB1985-2004 and IEC129 standard.

1. Model No.: JN15-12/31.5  HV earthing switch

2. Standard: GB 1985-2004 AC HV disconnect switch and earthing switch, IEC129

3. Application: KYN61-40.5 HV switchgear and various types HV switchgear

4. Main function: Used for earthing protection

5. Central distance between poles: 150,210,275,280, 300, 350, 400

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: lI