Home > Products > Vacuum Circuit Breaker > ISO9001 Approved ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker
ISO9001 Approved ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker
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Product Details
Place of Origin | Zhejiang, China | Brand Name | Ghorit | |
Model Number | ZW7-40.5 | Type | Vacuum | |
Poles Number | 3 |
Product Description
Product Name: 50hz 40.5kv 3poles high voltage ZW7 vacuum circuit breaker for outdoor
Type: Capacitor
ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three hase AC 50Hz, rated voltage is 40.5kV outdoor high-voltage electrical equipment , attached the spring operator or electromagnetic actuator can be well controlled electric opening and closing can also be Manual storage, manually open and close. Design performance meet GB1984-89 <AC high voltage circuit breakers>; national standards, and meet the IEC-56 <highvoltageAC circuit breakers> ; International Electro-technical Commission standards. ZW7-40.5 series vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And hasgood sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.
Mainly Technical parameters
Item | Units | Value | ||
Rated voltage | KV | 40.5 | ||
Rated insulation level | 1min power frequency withstand voltage | Dry | 95 | |
Wet | 80 | |||
Lighting impulse withstand voltage(peak) | 185 | |||
Rated current | A | 1250,1600,2000 | ||
Rated short-circuit breaking current | KA | 20,25,31.5 | ||
Rated operating sequence | O-0.3s-CO-180s-CO | |||
Rated short-circuit breaking current breaking times | times | 20 | ||
Rated short- circuit closed current (peak) | KA | 50,63,80 | ||
Rated peak withstand current | ||||
Rated short-time withstand current | 20,25,31.5 | |||
Rated short-circuit duration | s | 4 | ||
Average opening speed | ms | 1.5±0.3 | ||
Average closing speed | 0.6±0.3 | |||
Contact closing bounce duration | ms | ≤ 5 | ||
Three phase closing and opening synchronism | ≤ 2 | |||
Closing time | ≤ 90 | |||
Opening time | ≤ 60 | |||
Mechanism life | times | 10000 | ||
Rated operating voltage and auxiliary loop rated voltage | V | DC110/220 | ||
AC110/220 | ||||
Phase loop DC resistance (without current transformer) | µ Ω | ≤ 100 | ||
Permitted accumulate wear-thickness of dynamic and static contact | mm | 3 | ||
Weight | kg | 800 |
The use of environmental conditions
a) Altitude: 1000m
b) Ambient temperature: not higher than +40°C, not less than -40°C
c) Maximum weed speed is 10km/h, minimum weed speed for the rated level(132/230kv) is 3.2km/h
d) Earthquake intensity: less than eight
e) Minimum nominal creepage distance: 31mm/kv
Air pollution: Class IV
Zhejiang Ghorit Electrical Equipment Co.,LTD established in 2000, is a large-scale high and new-tech enterprise specialized in researching, developing, producing, marketing and servicing. The leading products include vacuum circuit breaker, high voltage load disconnecting switches, permanent magnet, various of spring and other high & low voltage electrical component.
Q:Your products seems perfect but what's the difference between you and other suppliers? Because I found some cheaper price!
A: The price is based on the quality all our products are in high quality. And most of the companies' products price are different. Thus, I think First compare the quality Second compare the price is the best way!
Q:I know your quality is perfect but in our market normal quality are more popular what can I do?
A: Please don't worry, we can provide a series of quality of products, you can choose the best one to meet your market,we will try our best to support you. I believe we can provide products meet all your requirements in GHORIT.
Q:Can I get a sample before the order because I really don't how is your MCB quality?
A: Of course! We also think sample order is the best way to build trust. We offer free sample service! Do not hesitate to send inquiry to get the free sample!
Q:What's the delivery time? Because we really need them is urgently?
A: 3~7days For sending sample order. .15days for regular order , we will never eat our words.
Q:What's the warranty period for your products?
A: One year warranty is no problem.
Q:How to send a inquiry for more information?
A: You can find a textbox at bottom of page then send inquiry through it, also can find our contact
Trade terms: FOB, CIF,EXW
Payment terms: T/T, L/C, Western Union, Paypal
Payment condition: 30% as deposit paid in advance, the balance paid before shipping.
Delivery time: within 20 working days after receive deposit and confirm details
packing: neutral carton, wooden case or as required
Delivery: by sea, by train, by air, by express delivery
Contact Us
- Ghorit Electrical Co., Ltd.
- Contact nameLingfen Bao Chat Now
- Phone86-577-55771572
- AddressNo.111 , Xinguang Road, Xinguang Industrial Zone, Liushi, Yueqing,Zhejiang,China, Wenzhou, Zhejiang
Product Categories
Capacitor | HV Switch/DS/LBS/ES | Lights | New Products |
Others | Switchgear | Transformer | Vacuum Circuit Breaker |
Vacuum Contactor | Vacuum Interrupter |
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