JN15-12 indoor HV earthing switch to performance in line with AC high voltage switchgear supporting the use of the next to leave , as a ground for protection .
Category: Switchgear & High Voltage Earthing switch
Brand: JGGY Electric
Model: JN15-12
Power: 12KV/ 630A
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
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.
No. | Item | Unit | Data | |
1 | Rated voltage | KV | 12 | |
2 | Rated short time withstand current | KA | 31.5 | |
3 | Rated short circuit withstand time | S | 4 | |
4 | Rated short circuit making current | KA | 80 | |
5 | Rated peak withstand current | KA | 80 | |
6 |
Rated insulation level | 1 min power frequency withstand voltage |
KV |
42 |
Lightning impulse withstand voltage |
75 | |||
7 | Mecanism life | Time | 2000 | |
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