According to the requirement of notice on“Perfection Works of HV Disconnector”issued by Generationand Transmission Service Department of National Electric Power Co.,our company hasstudied problems existed in service of many GW4 series outdoor H.V.A.C. disconnectors, investigatedmarkets and feedback from users,carried out perfection work in the respect of product’sdesigned structure,manufacture technology,material selection etc.,to meet the requirement of usersand improvement of reliability.As a result,perfected and improved type GW4 series outdoorH.V.A.C.disconnector has been developed.High ability of anti-corrosion. All exposed steel parts are hot-dip galvanized; shaft pins are made of stainless steel; the surface of aluminium conductor is passivated; standard parts are hot-dip galvanized or made of stainless steel.
Application three phase AC 50hz outdoor HV electrical apparatus,for switching under no-load condition and electrical disconnecting between electrical apparatus and live circuit in rated voltage 35-220kv power system. standard:IEC 62271-102
earthing switch ac high voltage
1.Altitude above the sea level is not more than 1000m, and not more than 2500m in specialcondition.
2.Ambient temperature : -40℃~40℃
3.Wind speed is not more than 35m/s (corresponding to wind pressure of 700Pa )
4.Earthquake accelerate: horizontal 3.92m/s2
vertical 1.96m/s2(corresponding to seismic intensity of 9 degree)
5.Pollution class: Ⅲclass (heavy pollution), class (in special circumstances)
6.Icing depth: 20mm
7.Max. radiance from sun: 1000 W/m2 (fine weather,at noon)
Note: When product is used under the condition out of above range, user and manufacturer shallconsult to confirm.
Rated short-time withstand current and duration
Rated peak withstand current(peak)
Rated short-time power
frequency withstand voltage(rms)
Rated lighting impulse withstand voltage
Rated busbar transferring current
Daelim had experience in exporting power equipments and products to all over the world such as Ecuador, Mongolia, Chile etc. We offer the best quality of products and hire professional people providing services of application.
Our recent trade history
Our trade history shows everything to you that we are a well-behaved and be-trusted export company! Click the pictures to check more!
Packaging & Shipping
The standard procedure for making wooden case is as follows:
♦ Receipt of information required for the type of goods to be wood barrel customers.
♦ Measure and create original designs for customers.
♦ Select the type of wood suitable for the requirements of the goods.
♦ Determine the delivery time.
♦ Check the wood barrel technique.
♦ Handover confirmation of work efficiency.
According to client’s request:
As a professional export company, we are offering problem solving services for our clients. Our clients required, we try our best to negotiate with them and find the best way to packing and shipping. With the strict passion to our work, we keep our eyes on every step to make sure the delivery and arriving on time.
“Manage honest basis, customers value first”. BEIJING DAELIM will take “Professional Technical, High Quality Products, Good Service, to full meet the needs of the customers ” as our purpose. Take the “Good Faith Cooperation, Satisfied Customers” as our mission. Take “Become the reliable business partner” as the goal. Bring the whole world customers with“Professional, Convenient” customized experiences and cooperation fun.
1. We offer the best solution and products to fulfill the buyers' requirments. 2. We can arrange technicians to install the equipments and train your staff on site. 3. Anytime, we provide considerate technical consultation. 4. Prompt reply for your inquiry and feedback.
Q: How long have you been worked in electric industry?
A: We have been worked in electric industry for nearly 20 years and well-experienced with our work.
Q: How fastest is your delivery time? A: Generally it is 20 days if the goods are in stock. or it is 30 days if the goods are not in stock, it is according to quantity.
Q: What are your terms of payments?
A: We usually take Western Union and L/C ,T/T
Q: Which market do you already sell?
A: We already ship to Europe, Middle East, South America, Asia, Africa etc. Q: What is the standard of package? A: Export standard package or special package according to customer requirement Q: Why choice Daelim? A: BEIJING DAELIM take the senior international trade backbone as core, have established an effective and professional service team. Till now, our equipment had been exported to many areas. And in the past six years, DAELIM has completed more than 500 projects.
1.Please simply state the type, size, quantity, delivery dateand delivery methodsfor the product.Technical specification attached is preferred.
2. If the customer has no special requirements,the type and capacity will follow our standard configuration.
3.Wiring scheme, electrical schematic diagram and the requirements of the device and the original device are required.
The contact ways
Contact us for any questions you have! You are welcome anytime!