Products DescriptionWortai ZW20-12 outdoor demarcation
vacuum circuit breaker (hereinafter referred to as the circuit
breaker) is an outdoor power distribution device with a rated
voltage of 12kV and a three-phase AC 50Hz. It uses vacuum arc
extinguishing and SF6 gas as the insulating medium. The box adopts
the gas sealing, explosion-proof and insulating structure
technology imported from Toshiba VSP5. The inlet and outlet
conduits have also been improved in sealing performance, and the
overall sealing performance is excellent. The internal filling of
SF6 gas Does not leak and is not affected by the external
environment. The spring operating mechanism has been miniaturized
design and optimized for reliability and stability. It adopts a
linear chain drive and a multi-stage tripping system, and its
operational reliability and stability are significantly improved
compared to traditional domestic mechanisms. The contact between
the shaft and the sleeve of the main circuit adopts a retractable
watch chain structure, which has low contact resistance and low
temperature rise. Therefore, the ZW20-12 outdoor demarcation vacuum
circuit breaker is a maintenance-free product and the best product
among the pole-mounted circuit breakers. Wortai ZW20-12
outdoor boundary circuit breaker complies with the national
standard GB1984 "High Voltage AC Circuit Breaker" and GB/T11022
"Common Technical Requirements for High Voltage Switchgear and
Control Equipment Standards" and related IEC standards. With
over-current protection, grounding protection, reclosing function.
Connected to the controller through the aerial plug: the fault
automatically removes the single-phase ground fault, automatically
switches the phase-to-phase short-circuit fault, quickly locates
the fault point, event records and other automation functions.
Excellent electrical and mechanical properties make ZW20-12 outdoor
boundary circuit breakers widely used. It is mainly used for
breaking and closing the load current and short-circuit current of
10kV power system. It is suitable for protection and control in
substations and industrial and mining enterprise switch systems,
and is more suitable for the occasions of alternative operation of
the power grid. This product is matched with the controller. As the
first circuit breaker between the power company and the user, it
has comprehensive protection performance and excellent recloser
function, which can meet the requirements of the automation
system.Product ParamentersWortai 12kV Outdoor Medium Voltage and
High Voltage Boundary Vacuum Circuit Breakers Use
environmental conditions >Environmental temperature: not
higher than +40ºC, not lower than -40ºC; >The relative
humidity of the air does not exceed 95% per day and 90% per
month;>The altitude does not exceed 2000 meters; >Wind
pressure does not exceed 700Pa (equivalent to a wind speed of
34m/s);>Earthquake intensity does not exceed 8; >There
is no fire, explosion, serious pollution, chemical corrosion and
vibration; >If customers have other special requirements,
they can be put forward at the time of booking, and our company can
give the greatest satisfaction.>Excellent insulation performance
of incoming and outgoing wires: Silicone rubber sleeves are used to
make the insulation distancebetween the terminals sufficient and
excellent external insulation performance; Safety in use: An
explosion-proof device is installed on the top of the box. Even if
an accidental internal failure occurs, no high-temperature gas or
objects exceeding 10mmwill leak and
escape;>Features >Flexible and convenient operation:
This product can be operated with electric energy storage and
electric opening and closing, or manual energy storage and manual
opening and closing functions, and can be operated by remote
control at a short distance; >Excellent breaking
performance: breaking rated short-circuit current up to 30
times; >Low operating power and high reliability: the newly
designed miniaturized electric spring mechanism, the number of
parts and the rated power of the energy storage motor (about 40W)
are reduced to the lowest level; >Flexible installation: it
can be installed on a column or seated; >Maintenance-free
features: the main circuit of the circuit breaker, the secondary
components, and the operating mechanism are all sealed in SF6 gas
(zero gauge pressure), not affected by the external environment,
stable, reliable, and maintenance-free; reliable sealing
performance: mature Sealing structure technology, reliable sealing
performance; > "Four remotes" function: It can be matched
with the intelligent controller to realize the functions of remote
control, remote measurement, remote signaling and remote
adjustment. Test and Inspection EquipmentsPacking and
DeliveryCertificationsWORTAI AlbumWhy Choose WORTAI* More than 20
years manufacturing experience in electric power industry* Top
quality products, ISO9001, ISO14001, KEMA, CNAS certificates*Custom
tailored products, O
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