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ZCW-72.5kV (126.5kV) L Type Open Combination

ZCW-72.5kV (126.5kV) L Type Open Combination

Timetric electrical is a large-scale ZCW-72.5kV (126.5kV) L Type Open Combination manufacturer and supplier in China. We have been specialized in High voltage equipment for many years. Our products have a good price advantage and cover most of the South America, Middle East, Africa, Southeast Asia markets. We look forward to becoming your long-term partner in China.

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Product Description

ZCW-72.5kV (126.5kV) L Type Open Combination  For Distribution  Introduction


ZCW10-72.5/126 L open-type combined electrical equipment is a complete set of combined electrical equipment that uses air as the outer insulation and SF6 gas as the arc-extinguishing medium. It is used for the control and protection of the 126KV power transmission and distribution system of three-phase AC,

It can also be used to connect circuit breakers and switching capacitor banks, and is suitable for urban substations, enterprise substations, and mountainous substations where the land is tight.

Structural features

The circuit breaker is an outdoor small floor-standing tank structure, equipped with a CT35 spring operating mechanism, the mechanism and the main body are installed in one piece, the installation is simple, the debugging is convenient, the action is reliable, and it is suitable for frequent operations. The service life of the mechanism .

More than 10000 times.

Main feature

  Functional units are prefabricated into standard intervals, plug and play on site.

2. Flexible layout, convenient transportation and disassembly, easy to expand.

3. Compact structure, small footprint, low overall project cost.

4. The self-supporting busbar is uniform and easy to install.

5. High reliability, basically no maintenance, can realize unattended.

ZCW-72.5kV (126.5kV) L Type Open Combination
 use Feature And Application

In terms of the surrounding conditions, this circuit breaker aligns with the stipulations detailed in GB/T11022-1999, a standard governing High Voltage Switchgear and Control Equipment. These conditions include:

a. Operational temperature: -40ºC to +40ºC

b. Altitude: Stays under 3000m

c. Wind speed: Below 34m/s (following Tianming high voltage switch)

d. Daily temperature shifts: Limited to 25ºC

e. Sunlight intensity: Peaks at 0.1w/cm2

f. Average monthly humidity: Does not exceed 90%

g. Earthquake forces: Horizontal acceleration ≤ 0.2g, Vertical acceleration ≤ 0.1g

h. Maximum ice thickness: Up to 10mm

i. Air pollution level: Doesn't surpass Grade IV in GB5582

j. Installation environment: Outdoors.

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