Negotiable
The date of payment from buyers deliver within days
Shanghai
Long-term effective
2017-12-14 23:46
260
Company Profile
Mingde Electrical (Shanghai) Co., Ltd.By certification [File Integrity]
Contact:Miss Candy Fang(Mr.)
Email:
Telephone:
Phone:
Area:Shanghai
Address:Shanghai
Website: http://meletek.better-elec.com/
1. Summary
Earthing switches of series EK6 are determined for indoor in stallation and conform to the requirements of GB1985 and IEC 62271-102. They are fitted with snap-action operating mechanisms for positive high-speed closing and sufficiently dimensioned to conduct the rated short-circuit making current when closed under load. The speed of the snap-action closing operation is independent controls. The earthing switches are supplied as kits with a pre-assem bled active part and correspon ding earthing con tacts supplied loose. Correct in stallation of these parts in a switchgear panel results in a functioning earthing switch. Routine tests toGB1985 and IEC 62271-102 are to be carried out at site accordingly.
2. Normal Using Ambient Conditions
(a) ambient air temperature: upper limit +40ºC;lower limit - 25ºC
Remark: allow to store and transport under - 30ºC
(b) altitude limit: under 1000m
(c) relative humidity: under 90%
(d) earthquake intensity : not higher than class VIII
(e)the place should be without fire,explode danger, serious dust, chemical corrosion and strong shork.
3. Technical Parameters
Model |
Rated voltage (kV) |
Highest working voltage (kV) |
4S rated short time withstand curren(kA) |
Rated dynamic stable current (peak value) (kA) |
Making current (peak value) (kA) |
Pole centers (mm) |
Making speed (m/s) |
Main circuit contact resistence (μΩ) |
EK6-12/31.5-210 |
10 |
12 |
31.5 |
80 |
80 |
210 |
>6 |
<120 |
Ek6-40.5/31.5-280 |
35 |
40.5 |
31.5 |
80 |
80 |
280 |
>6 |
<120 |
Remark: the pole centers can be changed according to customers' requirement
4. Product Model and Meaning
6.Struction and Function
5. Outline Dimension Drawing