PRODUCT DETAILS ZW20-12 outdoor AC HV vacuum circuit
breakerDescription: ZW20-12
outdoor AC HV vacuum boundary circuit breaker (hereinafter referred
to as the boundary circuit breaker) is one of our new products.
Boundary circuit breaker is a multifunctional intelligent device
with the function of vacuum breaker, vacuum load switch, recloser,
sectionalized four switches. The main configuration consists of
vacuum breaker, CH-40 controller, external voltage transformer
(Note: distribution automation line ring network available in
bilateral PT) three parts. Products are widely used in 10kV, 13kV
city, rural power grid space ring network for disconnecting switch,
contact switch, automatic switch device which can implement the
ring deployment line load. It can be used as a boundary switch
(commonly known as a watchdog) in the branch line of power supply,
used as reclosers and sectionalizes in feed overhead distribution
network. Boundary circuit breaker with remote management pattern
protection and control functions and communication functions.
Reliable detection in judgment, mA level zero sequence current and
short circuit current between phases, realize the automatic removal
of single-phase grounding fault and phase to phase short circuit
fault. The main switch is vacuum arc and
insulation adopts SF6, N2 mixed gas. The case introducing of Japan,
Germany French gas sealing, explosion-proof, insulation system
technology, the overall excellent sealing performance. Inside s
filled with SF6, N2 mixed gas which does not leak, not affected by
the external environment. The spring operating mechanism with
miniaturization and performance optimization design, action
reliability is much higher than the traditional spring
mechanism. TECHNICAL PARAMETERNo.nameunitsdata1The
rated voltagekV122Rated frequencyHz503Rated currentA6304Rated short
circuit breaking currentkA255Peak rated closing currentkA506Peak
rated dynamic stable currentkA5074S heat stabilized
currentkA258Rated sequence of operation minute-0.3sOr
points-180sOr points9Rated energy storage motor
voltageVAc22010Maximum/minimum energy storage motor
voltageVAC242/18711Rated closing operating
voltageVAc22012Maximum/minimum closing operating
voltageVAC264/14313Rated switch operating
voltageVAc22014Maximum/minimum switching operating
voltageVAC264/14315Not at the same timems≤216The switch is divided
at different timesms≤217SF6 gas pressure rating (gauge
pressure)Mpa0.0118Rated short circuit current breaking
timestime3019Mechanical lifetime10000THE USE OF
CONDITIONS 1.Altitudes:2000 meters2.The environment
temperature:-30ºC-+55ºC outdoor; the highest annual average
temperature 20 ºC, the highes: daily average temperature
30ºC3.Relative humidity: 95% (25ºC4.Seismic capacity: horizontal
ground acceleration 0.3g, vertical ground acceleration 0.15g, at
the same time duration of three sine waves, a safety factor of
1.675.Earthquake intensity: 7 degrees6.The maximum daily
temperature difference: 25 ºC7.The intensity of sunshine (wind
speed 0.5m/s): 0.1W/cmi8.The maximum wind speed: 34m/s9.The maximum
ice thickness10.Installation position: outdoor, the 10kV overhead
line responsibility demarcation point11.Grounding: neutral
non-grounding, arc suppression coil grounding, and low resistance
groundingCOMPANY INFORMATIONZhejiang ZheGui Electric Co., Ltd
established in 2013. We are located in Zhejiang with convenient
transportation access and developed electrical market. We are group
of private enterprises that hold the production license issued by
the former ministry of energy and ministry mechanical and
electrical engineering. The company has
nearly 60 million fixed assets and more than 60 employees, covering
23133 square meters. We are specialized in R&D production of
complete switchgear of high and low voltage equipment such as
prefabricated substation, distribution cabinet/box, drawer cabinet,
ring network cabinet, inflatable cabinet, etc.
We owns three CNC bending machine, CNC shearing machine, CNC
laser cutting machine and a series of advanced production equipment
to further optimized the product structure and improve the
efficiency of production. After nearly 7 years of development, it
has passed ISO 9001-2000 quality system certification. All items
produced by our own factory, so our advantages are: reliable
quality and reasonable price. Gather the world's energy to delight
your business. It's honorable for Zhegui to share your progress,
brilliance and success!Contact Us FAQ Q1: Are
you a factory or trading companyA1: We are a factory, we can
guarantee our price is first-hand, very cheap and
competitive. Q2: How does your factory do regarding quality
control?A2: All the products will be 100% checked before the
shipment. Q3: When can I get the price?A3:Usually we quote
within 24 hours after we get your inquiry. Q4: How could I get
a sample?A4: if you can not buy our product in your local area, we
will ship a sample to you. You will be charged a sa
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