| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.
| Item | Unit | Parameter |
| Voltage, current parameters | ||
| Rated voltage | kV | 40.5 |
| Rated short time power frequency withstand voltage (Imin) | kV | 95 |
| Rated lightning impulse withstand voltage (peak) | kV | 185 |
| Rated current | A | 1250, 1600, 2000 |
| Rated short-circuit breaking current | kA | 25, 31.5 |
| Rated operating sequence | O-0.3s-CO-180s-CO | |
| Rated short-circuit current breaking times | times | 12 |
| Rated short-circuit closing current (peak) | kA | 63.80 |
| Rated peak withstand current | kA | 63.80 |
| Rated short-time withstand current | kA | 25, 31.5 |
| Rated short-circuit current duration | S | 4 |
| Average opening velocity | ms | 1.5±0.2 |
| Average closing speed | ms | 0.7±0.2 |
| Contact closing bounce time | ms | <5 |
| Three-phase close (open) synchronization error | ms | <2 |
| Closing time | ms | <150 |
| Opening time | ms | <60 |
| Mechanical life | times | 10000 |
| Rated operational voltage and auxiliary circuits rated voltage | V | DC220, AC220 |
| DC resistance of circle every phase (not including transformer) | μΩ | <100 |
| Dynamic, static contact allowed to wear thickness | mm | 3 |
| Weight | kg | 800 |
Zhejiang Xianghu Technology Co., Ltd.is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.
Manufacturing of the main products are 10kv High tension Mutual inductor,10 kv transformer, YBW box-type substation, KYN61-40.5, KYN28A - 24, KYN28A - 12, XGN2-10, HXGN-10 high voltage switchgear, XGN ring net cabinet, SHSRM inflatable ring main unit, SHSG solid ring main unit, MNS, GCS, GCS, GGD, XL and other transmission and distribution equipment.
For a long time also for all kinds of metallurgy, shipbuilding, electric power, mining, and intelligent buildings, high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment. The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country. Deeply appreciated and praised by the broad masses of users.
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