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The 33KV outdoor circuit breaker with automatic recloser, also known as the ZW32-40.5 outdoor high voltage vacuum circuit breaker, is mainly used in medium-voltage overhead power grids for switching load current, overload current, and short-circuit current. It features high mechanical and electrical lifespan, and its compact size and light weight facilitate easy installation.
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Rated voltage |
33/40.5KV |
|
Rated current |
630/1250/1600A |
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Rated frequency |
50 or 60 Hz |
|
Power frequency withstand voltage for 1 minute |
95/118 KV |
|
Lightning impulse withstand current (peak value) |
185/215 KV |
|
Rated short-circuit breaking current |
25/31.5 KA |
|
Rated short-circuit making current (peak value) |
63/80 KA |
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Rated peak withstand current |
63/80 KA |
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Rated short-time withstand current and duration |
25/31.5 KA/S |
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Rated short-circuit current breaking cycles |
30 times |
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Mechanical life |
10,000times |
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Institutional control voltage |
AC/DC220 V |
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Opening speed |
1.6 ± 0.3 m/s |
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Closing speed |
1.0± 0.3 m/s |
|
Contact closing bounce time |
≤3 ms |
|
Center-to-center distance |
460±2 mm |
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Closing time |
≤100 ms |
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Opening time (of the circuit breaker) |
≤50 ms |
|
Weight |
270 KG |
The 33KV outdoor circuit breaker with automatic recloser (ZW32-40.5 type outdoor high-voltage vacuum circuit breaker) mainly consists of an integrated sealed pole, current transformer, operating mechanism, and enclosure. This circuit breaker features a compact design, and its enclosure is made of high-quality steel. The current transformer can be selected according to user requirements. This outdoor high-voltage vacuum circuit breaker is combined with a matching intelligent control system. Switching operations can be performed locally, or remotely via a communication interface. Other information about the circuit breaker can also be transmitted to the control center. Communication channels can include cables, optical fibers, GPRS/CDMA, or GSM.
Address
Jinlu Industrial Zone, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, China
