HZW-12/630 Outdoor Dual Power Source Automatic Switching Device
General descriptionThe HZW 12/630 type outdoor high voltage double
power supply automatic switching device is a cutting-edge product
that combines a high voltage vacuum circuit breaker with an
intelligent controller. Designed for AC 50Hz, with a rated voltage
of 12kV and a rated current of 630A, this device is specifically
tailored for dual power supply systems. Its primary function is to
automatically switch to an alternate power supply in the event of a
power failure or undervoltage, ensuring a seamless and
uninterrupted flow of electricity. Equipped with advanced
features such as short circuit and transition interlock protection,
this device effectively prevents unnecessary power supply shocks
when there is a load failure. In the event of a power failure in
the normal power supply, the automatic switching device swiftly
activates the standby power supply, guaranteeing safety and
reliability. Additionally, it offers the flexibility to switch
between two power sources based on the specific requirements of the
load. This device is particularly well-suited for critical
locations where failure is not an option, as it ensures a
continuous power supply for essential electric control systems. As
a new generation product, it boasts exceptional performance and
reliability, making it an ideal choice for various
applications. Main technical parameter ItemUnitDataRated
voltagekV13,12,10,6Rated insulation level1min P.F. withstand
voltagekVdry, isolating fracture 42/48, wet,34Lightning
impulse withstand voltage(peak)kV75/78 isolating fractureRated
frequencyHz50/60Rated current A630,1000,1250Rated
short-circuit breaking currentkA12.5,16,20,25Rated operating
sequence O-0.3s-C0-180s-CORated short-circuit breaking current
breaking timesTimes30Rated short-circuit making
currentkA31.5,40,50,53Rated peak withstand
currentkA31.5,40,50,53Rated short time withstand
currentkA12.5,16,20,25Rated short-circuit durations5 (spring) ,4
(permanent-magnet)Opening timeThe highest operating
voltagems30-80Rated operating voltagems30-80The lowest operating
voltagems40-100Closing timems40-100Full-breaking
timems≤100Mechanical life timeTimes10000 (spring),30000
(permanent-magnet)Closing powerJ≤8Rated input efficiency of
energy-stored motorW≤70Energy-stored time under rated
voltagems≤40Rated operating voltage and rated voltage of auxiliary
circuit VDC,AC220Over-current release Rated
currentA5Release current accurancy%±10N.W.kg254 (spring), 235
(permanent-magnet)For more switchgear parts, pls refer to insulation parts: https://china-vacem.en.made-in-china.com/product-group/BbRAnYUjsLrW/Insulation-Accessories-catalog-1.html,
or copper tulip contact:
https://china-vacem.en.made-in-china.com/product-group/nbUGDIpPuLYM/Tulip-contact-series-1.html
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