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| Categories | High Voltage Disconnect Switch | 
|---|---|
| Brand Name: | YONGDE | 
| Model Number: | GW4 | 
| Certification: | ISO9001 | 
| Place of Origin: | Zhejiang,China(Mainland) | 
| MOQ: | 1pcs | 
| Price: | negotiation | 
| Payment Terms: | T/T or western Union or L/C or PayPal, MoneyGram, D/P, D/A | 
| Supply Ability: | 1,000 pcs per month | 
| Delivery Time: | 21days per container | 
| Packaging Details: | wooden case | 
| Type: | GW4-40.5 | 
| Max. Current: | 650A | 
| Max. Voltage: | 126KV | 
| Standard: | IEC 62271-102: 2005 IEEE Std C37.30-1997 | 
| Apply to: | Power distribution equipment | 
| Mechanical life: | 5000times | 
| Company Info. | 
| Hangzhou Yongde Electric Appliances Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
220KV Substation High Voltage Single Break Isolator Disconnect Switch with ISO9001
About GW4 Disconnect Switch:
This type disconnector is a kind of HV outdoor electric equipments used in three-phase AC 50Hz electrical system . It is used for swithing-on/off the HV circuit when there is no load in the circuit in order to charge or transfer the circuit and also dissconnect the current with the bus bar , breaker or any other HV electrical equipments when overhauling the circuitry .
GW4 Series Parameters:
| No | Items | Technical parameter | |||||
| 1 | Rated Voltage kV | 40.5 | 12 | 18 | 20 | ||
| 2 | Nominal system voltage kV | 35 | 10 | 15 | 20 | ||
| 3 | Rated current A | 630;1250;1600;2000;2500;3150;4000 | |||||
| 4 | Rated Short Time withstand current and Time kA/s | 25~50/4 | |||||
| 5 | Rated Peak withstand current kA | 63~125 | |||||
| 6 | 1min power frequency withstand voltage (effective value) kV | To earth | 95/85 | 42 | 45 | 65 | |
| To phase | 95/85 | ||||||
| Across Isolating DS | 118 | 53 | 55 | 79 | |||
| 7 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 185 | 75 | 105 | 125 | |
| To phase | 185 | ||||||
| Across Isolating DS | 210 | 85 | 120 | 145 | |||
| 8 | Rated mechanical terminal load N | Level of lateral load | 500 | 500 | 500 | 500 | |
| Level of vertical load | 250 | 250 | 250 | 250 | |||
| Vertical | 500 | 500 | 500 | 500 | |||
| 9 | The min distance of insulation against ground mm | 400 | |||||
| 10 | Max Man Operative Moment N. m | 200 | |||||
| 11 | Motor Drive operating mechanism control voltage V | AC220,380; DC110,220 | |||||
| 12 | Motor Drive operating mechanism motor voltage V | AC220,380; DC110,220 | |||||
GW4 Isolator Switch Drawing:

Other:
Yongde holds the quality policy of being 'the technical forerunner, supreme in quality, supremacy of customers, and innovative progressing', so that our products and services successfully satisfied our users. We warmly welcome friends and customers from home and abroad to contact for exchanges and corporations. We also welcome feedbacks from our user communities.
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