China Wholesale Low And Medium Voltage Switchgear Manufacturer – ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn

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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of Medium Voltage Switchboard, Power Station Transformer, Transformer Medium, The principle of our company is to provide high-quality products, professional service, and honest communication. Welcome all friends to place trial order for creating a long-term business relationship.
China Wholesale Low And Medium Voltage Switchgear Manufacturer – ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn Detail:

Structural features

1. Using vacuum arc extinguishing, strong breaking capacity, long electrical life, and mechanical life of 10,000 times;
2. Simple structure, maintenance-free, long period of no maintenance;
3. Good insulation performance and strong anti-pollution ability;
4. It can be equipped with spring or electromagnetic operating mechanism, with reliable mechanical performance and frequent operation; no fire and explosion hazards;
5. The measurement accuracy of the built-in current transformer can reach 0.2 level, or three-phase differential protection can be realized;
6. The built-in condensation controller can keep the circuit breaker running reliably under a certain temperature and humidity.

Structural features

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Structural features

◆Ambient air temperature: upper limit +409C, lower limit -30°C (general area), -40C (alpine area);
◆Altitude: ≤1000m (if the altitude increases, the rated insulation level will increase accordingly);
◆Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);
◆Earthquake intensity: no more than 8 degrees;
◆Dirty level: IV;
◆Maximum daily temperature difference: no more than 25°C.

The main technical parameters

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Main mechanical parameters

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Shape and installation dimensions

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Product detail pictures:

China Wholesale Low And Medium Voltage Switchgear Manufacturer –  ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn detail pictures


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With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of China Wholesale Low And Medium Voltage Switchgear Manufacturer – ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn , The product will supply to all over the world, such as: Melbourne, Mali, French, We have a excellent team supplying professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Bertha from USA - 2017.09.26 12:12
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Roland Jacka from Casablanca - 2018.12.11 11:26