Name:Ground switches
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
Tel: +86 13706784523(Whatsapp)/
Email: amy@putai-electric.com /
Name:Ground switches
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
JN15-12 indoor high-voltage grounding switch, whose performance meets the requirements of GB1985-2004 “AC high-voltage disconnecting and grounding switch” and IEC129, is suitable for 12kV and the following AC 50Hz power system, can be used with various types of high-voltage switchgear, and can also be used as a high-voltage electrical equipment maintenance grounding protection. It can also be used for grounding protection during maintenance of high-voltage electrical equipment. The switch can be used in conjunction with a charged display device.
Normal use conditions
◆Altitude: no more than 1000m above sea level
Ambient air temperature: upper limit 40℃, lower limit -25℃.
◆ Seismic intensity not more than 8 degrees
◆No flammable, explosive, serious dust, chemical corrosion and violent vibration places.
| Name | Unit | Parameter | |
| Rated Current | kA | 12 | |
| Rated short-time withstand current | kA | 31.5 | |
| Rated short-circuit duration | s | 4 | |
| Rated short-circuit closing current | kA | 80 | |
| Rated peak withstand current | kA | 80 | |
| Center distance between phases | mm | 210,230,250,275 | |
| Rated insulation level | 1min frequency withstand voltage | kV | 42 |
| Lightning impulse voltage | kV | 75 | |
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