Wiring Diagram 20A Electrical 4P 220v Contactor installation class II or III

Normal operation and mounting requirement

• Circumstance temperature -5°C ~ +40°C, average temperature within 24h not exceeding +35°C.
• Altitude above sea level less than 2000 m.
• Humidity not exceeding 50% at 40°C and not exceeding 90% at 25°C.
• Installation class II or III.
• Pollution class 2.

     Yueqing Winston Electric Co., Ltd. is not only an exporting company, but also a professional manufacturer in China. We have our own production base. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circuit breakers, distribution boxes, industrial plugs & sockets and others. Since we are a manufacturer & exporter, we are sure that we can best support our customers with high quality products and the most competitive prices. Our company is located in Wenzhou - the Electric Capital of China. We specialize in developing, manufacturing and distributing low voltage & high voltage electrical products. We are an ISO9001:2000 certified company.

     We have obtained many certificates, such as CCC, CE, CB, GS and RoHS. Stability, expertise and technological innovation are the core stones of our business strategy. Aiming at reliable product quality and the highest customer satisfaction, we are consistently deepening enterprise inner reform and fully carry out a quality guarantee system. With special cultivation of employees, high investment on production facilities and R&D as well as a wide range of products, we advocate "technology innovation, business honesty and trust and quality first" as our basic principle, trying to develop into a world-class electrical manufacturer with constant efforts. 

    Our foreign trade staff with 11-22; and our main market in North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia.

    Given chance and full space , we woukd show you all of our advantages and let’s grow up together i’m sure we can establish long-term and friendly business relationship with your esteemed company because of your trust and our excellent service

We are always trying our best to offer the best services and the most competitive prices with high quality goods for our customer. It’s the way we win our customers and the market