ZW7-40.5 series of outdoor low-voltage vacuum circuit breaker is three-phase exchange 50HZ, extra voltage 40.5KV outdoor low-voltage electrical equipment. Attached spring actuator or electromagnetic actuator, can remote control electric points, closing, it may be manual storage, manual opening and closing. Design Performance fit GBI984-2003 "exchange low-voltage circuit breakers" national standards request and satisfaction IEC-56 GB Electrotechnical Commission standard request "low-voltage circuit breakers exchange." ZW7-40.5 series of outdoor low voltage vacuum circuit breakers, it is important to understand and cover outdoor 40.5KV power transmission system, also useful in normal operation and short circuit screening of the urban and rural power distribution networks and industrial and mining use. The overall organization of the product strut insulator; on porcelain interior vacuum interrupter, as the pillar under the porcelain vase. Practical for frequent operation of the occasion. And have good sealing, anti-aging, low pressure, does not go out, no explosion, the use of long life, inconvenient installation protection and other features. Second, accessories: PT can be equipped with power electronics closely spaced dual power remote control can be equipped with active switching installation can be equipped with intelligent active reclosing can be equipped with pre-paid metering initiative to install systems ZW7-40.5 series of outdoor low voltage vacuum circuit breaker is a three-phase switching 50Hz additional voltage 40.5KV outdoor low-voltage electrical equipment. Attached spring actuator or electromagnetic actuator, can remote control electric points, closing, it may be manual storage, manual opening and closing. Design Performance fit GB1984-89 "exchange voltage circuit breakers" national standards request and satisfactory standard request IEC-56 "low-voltage switching circuit breakers" domestic Electrotechnical Commission. ZW7-40.5 vacuum circuit breaker, it is important to grasp and cover outdoor 35KV power transmission system, also useful in normal operation and short circuit screening of the urban and rural power distribution networks and industrial and mining use. The overall structure of the product strut insulator; on porcelain interior vacuum interrupter, as the pillar under the porcelain vase. Practical for frequent operation of the occasion. And have good sealing, anti-aging, low pressure, does not go out, no explosion, the use of long life, inconvenient installation protection and other features. ZW7-40.5 vacuum breaker model meaning ZW7-40.5 / 1600- 31.5? │ │ │ │ │ └── additional short circuit breaking current? │ │ │ │ └───── additional current │ │ │ └──── ──── additional voltage │ │ │ │ │ └───────── design ID │ └──────────ZW7-40.5 ZW7-40.5 vacuum circuit breaker using environmental conditions A. four weeks Air temperature: up to + 40oC, the upper limit of -30oC b elevation .≤2000m (For higher altitudes, the extra degree of relevant progress theaters) c pressure: not more than 700Pa (equivalent to wind speed 34 /) d Amplitude: seismic intensity 8 degrees; e-contamination level:.. Ⅲ grade f maximum daily temperature difference: no more than 25oC ZW7-40.5 vacuum circuit breaker, it is important to grasp and cover outdoor 35KV power transmission system, and also practical in the urban and rural power distribution normal operation and short circuit screening of the network and by industrial and mining. The overall structure of the product strut insulator; the porcelain built vacuum interrupter, as the pillar under the porcelain vase. Practical for frequent operation of the occasion. And have good sealing, anti-aging, low pressure, does not go out, no explosion, the use of long life, inconvenient installation protection and other features. Specifications: ZW7-40.5-1600-31.5 product advanced production technology, stable quality, reliable, good after-sales service structure and characteristics ZW7-40.5 series of indoor low-voltage vacuum circuit breaker is a change in the internal affairs referring to domestic and foreign advanced techniques combined with newly developed, fresh products with structural design, plan a combination of rational, smart maneuver, long life and other characteristics of institutions, the choice of new insulation materials insulation structure consisting of sealing, anti-aging, low pressure, does not go out, no explosion risk. This product is protected less maintenance, reliable high, with a high-precision, high-performance current transformer, complete and strong, and covers an area and increase investment. The overall structure of the strut insulator, the insulator for the interrupter porcelain, interior vacuum interrupter, as the pillar under the porcelain vase. Three-phase interaction of local and current transformers and actuator are mounted inside a waterproof body, the movable end interrupter crank arm through the input shaft insulated rod and institutions linked. ZW7-40.5 series of indoor low-voltage vacuum circuit breakers important change internal affairs by the vacuum interrupter, current transformers, transmission and actuator components.