50Hz Zw20-12 Outdoor Column Intelligent Vacuum Electrical Circuit
BreakerProduct descriptionThe ZW20 putdoor load break switch, with
SF6 gas insulation, rated voltage can be 12kv, 24kv or 36kv. It can
realize remote digital control with a control box and PT. It
is mainly used for breaking and closing current, overloading
current, and short-circuit current protection. This LBS adopts
mature case type sealing structure for SF6 gas insulation.
Therefore, it has excellent sealing performance not to be much less
effected by external environment. In addition, this switch has the
spring mechanism with chain main transmission and
a multi-stage tripping system, which makes this switch qualtiy
reliable. Technical Specifications
No. Item Unit Data1Rated
voltagekV122Rated CurrentA630/12503Rated FrequencyHz50/604Rated
short circuit breaking currentkA12.5/16/205Rated short time
withstand current(4s)kA12.5/16/20 Rated short circuit making
current(peak) 31.5/40/506Rated peak withstand
currentkA507Rated power frequency withstand voltagekV42/488Rated
lightning impluse withstand voltagekV75/859Secondary loop
1 min power frequency withstand voltagekV2Environmental
Conditions1. Ambient temperature: not higher than +40 ºC, not less
than -15 ºC (at -30 ºC to allow storage and
transportation). 2. Altitude: not exceed 1000m. 3. Earthquake
intensity: not more than 8 degree. 4. Wind pressure:≤700pa 5.
No fire, explosion hazard, serious filthy, chemical corrosion, as
well as places of intense vibration Company introductionZhejiang
Volcano Electrical is a professional factory for prodcuing
10-40.5kV electrical equipments for power transmission, including
all types of indoor&outdoor vacuum circuit breakers, automatic
current recloser, SF6&vacuum load break switch, isolating
switch, earthing switch, air&gas insulated switchgear, vacuum
interrupters, fuse cutouts and lightning arresters. The factory is
located in Yueqing, the famous town for all types of low and high
voltage electrical parts.It occupies square more than 10000m
2, and has developed several international production line. We
have made constant efforts to improve product quality and service.
To offer best quality with our best service to get a win-win
solution is our main principal. Certification CollectionOur company
has get ISO9001, 14001 and 18001 approved. We have passed many type
testing for our prodcuts. ContactAddress: No.211, Weishier Road,
Economic Development Zone, Yueqing, Zhejiang, China
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