JN15-12/31.5 series indoor earthing switch is a new design and improved product of our company according to 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 manufactured to comply with GB1985-2004 and IEC129 standards.
The use of environmental conditions
1.Altitude: not above 1000m .
2.An ambient air temperature: to +400°C, the lower limit of -100°C,
3.Allow storage at 300C
4. Amplitude: earthquake intensity does not exceed 8 °,
5. No risk of fire, explosion, serious pollution, chemical corrosion and severe vibration.
Rated short time withstand current
Rated short circuit withstand time
Rated short circuit making current
Rated peak withstand current
Rated insulation level
1 min power frequency withstand voltage
Lightning impulse withstand voltage
indoor 12KV HV earthing switch for switchgear 12 KV HV earthing grounding switch
HV Earthing Switch For Protection High-voltage Equipment Maintenance
Copyright © 2021 By JGGY Electrical.com