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E-mail
barry@rockwill.cn
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Phone
+86-577-27869969
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Address
Wengyang Industrial Zone,Wenzhou City, Zhejiang Province,China.
Product Categories
Rockwill Electric GroupFree·1YRS
JN22-36 Indoor Earthing Switch
NegotiableUpdate on October 04
- Model
- Nature of the Manufacturer
- Other
- Product Category
- Switchgear Components
- Place of Origin
- City, Province
Overview
JN22-36 Indoor earthing switch is applicable for three-phase AC power system of rated voltage up to 7.2KV~40.5KV and frequency 50/60 Hz, it widely used in power plant, transformer substation.
Product Details
JN22-36 Indoor earthing switch is applicable for three-phase AC power system of rated voltage up to 7.2KV~40.5KV and frequency 50/60 Hz, it widely used in many fields such as power plant, transformer substation, petrol chemical industry, metallurgy, manufacturing industry, airport, residential area, etc, for mounted at in frequency operation service indoor air insulating switchgear like tyoe KYN28 or KYN96, ABB type ZS series,etc. The application of it and its expending products can fully meet the requirement of GB, DL, IEC, DIN, VDE ad well as standards of other advanced industrial countries.
++++Service environment:
a)Air temperatue: Maximum temperature:+40℃; Minimum temperature :-35℃
b)Humidity:Monthly average humidity 95%; Daily average humindity 90%.
c)Altitude above sea level: Maximum installation altitude:2500m
d)Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
e)No frequent violent shake
No. | Item | Unit | Parameter |
1 | Rated voltage | KV | 36 |
2 | Rated frequency | Hz | 50/60 |
3 | 1min power frequency withstａnd voltage | KV | 95 |
4 | Lightming impulse withstａnd voltage | KV | 185 |
5 | Short time withstａnd current(4s) | KA | 31.5 |
6 | Mechanism life | times | 2000 |
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