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ZW7-40.5 type outdoor vacuum circuit breaker

Oroduct Overview

ZHE JIANG BOGUANG ELECTRICAL TECHNOLOGY CO.,LTD. has been committed to product quality control and enterprise management "manufacturing high-quality goods, integrity service" is always our commitment to the customer. The company produces crystal sales of customers is the main power supply bureau, the company (hereafter called sacsc), mechanical and electrical equipment company, best-selling domestic provinces and cities autonomous regions, many times by the national key factory, export Europe and Africa southeast Asia etc, in use process to get the user high praise!

Outline

ZW7-40.5 Outdoor HV vacuum circuit breaker for AC .50Hz, electric Bi40.5kV three-phase power system, as breaking, closing load current, overload current and short circuit current purposes.

Type Meaning

The main function

. a vacuum interrupter, breaking ability, long life, mechanical life 10,000 times;

. b simple structure, maintenance-free, long maintenance period;

. c good insulation performance, strong anti-contamination ability;

. d can be equipped with a spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion hazards;

. e built-in current transformer, accuracy of 0.2, enabling interactive three-phase protection;

f. Included condensation control, to maintain reliable operation of the circuit breaker at a certain temperature and humidity.

Environmental conditions

. a surrounding air temperature: up to + 40 ℃, the lower limit of -30 ℃;

. b altitude: ≤2000m (For higher altitudes, the rated insulation level corresponding increase);

. c pressure: less than 700Pa (equivalent to wind speed 34m / s);

. d Amplitude: seismic intensity of 8 degrees;

. e filthy: Class Ⅲ;

. f maximum daily temperature difference: no more than 25 ℃.

The main technical parameters


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