Business Type: Manufacturer/Factory & Trading Company
Taizhou, Zhejiang, China
ZW20B-12 Smart integration outdoor high-voltage vacuum circuit breaker
|4||1min power frequency withstand voltage(wet)(dry)phase to phase,phase to earth/fracture||kV||34|
|5||Lightning impulse withstand voltage(peak)phase to phase,phase to earth/fracture||kV||75/85|
|6||Rated short circuit breaking current||kA||20,25|
|7||Rated short circuit breaking times||Times||30|
|8||Rated peak withstand current(peak)||kA||50/63|
|9||Rated short-time withstand current/duration||kA/S||20,25/4|
|10||Rated short circuit making current(peak)||kA||50,63|
|11||Resistance of main circuit||μΩ||≤150(without isolation)|
|12||Rated N2 gas pressure(gage pressure)||Mpa||0.01|
|1||Ambient temperature||Max. Temp.||ºC||+40|
|The Max. Daily Temp. difference||25|
|3||Intensity of solar radiation (outdoor)||W/cm2||0.1|
|5||Radial thickness of ice||mm||10|
|6||Wind velocity/Wind pressure (outdoor)||m/s/Pa||34/700|
|7||Humidity||The average daily relative humidity||%||≤95|
|The average monthly relative humidity||≤90|
|8||Seismic resistance||Horizontal acceleration||m/s2||0.3g|
Q1: Are you a factory or trading company?
A1: 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 sample price plus all related shipping costs. Express delivery charge depends on the quantity of the samples.
Q5: What is the price of shipping?
A5: Depending upon the port of delivery, prices vary.