Ningbo Macwey Industrial Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 1000 pcs |
| Delivery Time | 8 days |
| Packaging Details | carton |
| Name | Earthing Switch |
| Rated voltage | 40.5KV |
| Rated short-time withstand current (4s) | 31.5kA |
| Rated short-circuit making current | 80kA |
| Rated peak withstand current | 80kA |
| Phase-to-phase distance | 300mm, 350mm, 400mm |
| Brand Name | MacweyTEK |
| Model Number | JN22B-40.5 |
| Certification | IEC |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000 pcs |
| Delivery Time | 8 days | Packaging Details | carton |
| Name | Earthing Switch | Rated voltage | 40.5KV |
| Rated short-time withstand current (4s) | 31.5kA | Rated short-circuit making current | 80kA |
| Rated peak withstand current | 80kA | Phase-to-phase distance | 300mm, 350mm, 400mm |
| Brand Name | MacweyTEK | Model Number | JN22B-40.5 |
| Certification | IEC | Place of Origin | China |
| High Light | Motorized Earthing Switch ，JN22B Ground Switch ，40.5kV Ground Switch | ||
JN22B 40.5kv Motorized Earthing Switch Grounding Knife Indoor High and Medium Voltage Switchgear Earthing Switch
JN22B-40.5/31.5 indoor high-voltage earthing switch (hereinafter referred to as earthing switch)is a new product developed by the company.Its performance meets the requirements of GB1985-2004 High-voltage alternating-current disconnectors and earthing switches and IEC62271-102:2002,it is suitable for three-phase power systems of AC 50Hz and rated voltage 40.5kV,it can be used withKYN61 -40.5 high-voltage switchgear and other high-voltage switchgears,and acts as a ground protection device during maintenance of high-voltage electrical equipment.
Its structure is simple and compact,with excellent performance,is easy to be operated with small angle.It is similar to JN15-12 series,its connection and transmission parts are exchangeable with JN15-12.
Service conditions
1.Altitude not exceeds 1,000m:
2.Ambient air temperature:-25℃~+40℃;
3.Seismic intensity:≤Ms8;
4.Installation site should be free of fire,explosive danger,heavy dust,chemical corrosion or severe vibration.
|
Item |
Unit |
Data |
||
|
Rated voltage |
KV |
40.5 |
||
|
Rated short-time withstand current(4s) |
kA |
31.5 |
||
|
Rated short-circuit making current |
kA |
.80 |
||
|
Rated peak withstand current |
kA |
80 |
||
|
Phase-to-phase distance |
mm |
300,350,400 |
||
|
Rated insulation level |
Rated short-time power frequency withstand voltage(1min) |
kV |
Phase-to-ground and phase-to- phase |
95 |
|
|
Rated lightning impulse withstand voltage |
|
|
185 |
|
Product model |
E |
L |
D |
|
JN22B-40.5/31.5-300 |
300 |
1100 |
696 |
|
JN22B-40.5/31.5-350 |
350 |
1150 |
796 |
|
JN22B-40.5/31.5-400 |
400 |
1200 |
896 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2013
Total Annual:
$31000000-$35000000
Employee Number:
>218
Ecer Certification：
Verified Supplier
Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo... Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo...
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