ZW8-12 Outdoor Vacuum Breaker
Product Details:
| Type | Vacuum |
|---|---|
| Brand Name | saip |
| Model Number | ZW8-12 |
| Place of Origin | Zhejiang, China (Mainland) |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Set/Sets |
|---|---|
| Payment Terms: | T/T |
| Supply Ability: | 5000 Set/Sets per Quarter |
Detailed Product Description
Vacuum Breaker
General
ZW8-12 Outdoor AC high pressure vacuum breaker (hereinafter called breaker)is an outdoor high pressure switch device of 3-phase, AC 50Hz,rated voltage 12kV,mainly used in the distribution system of urban network, rural network,substation, idustrial and mineral enterpriss for cutting and closing load current, overload current and short circuit current. Due to the special feature of vacuum breaker, it is particularly suitable for the sites where frequent operations and no oiling are required.
The breaker complies with the standard GB 1984 "AC High Pressure Breaker",JB3855 "3.6-40.5kV Indoor AC High Pressure Vacuum Breaker" and as well as the relevant requirements of IEC 56.Technical parmeter
Sequence number | Item | Unit | Data | ||||||
6.3KA | 12.5KA | 20KA | |||||||
1 | Rated voltage | KV | 12 | ||||||
2 | Rated current | A | 630 | ||||||
3 | Rated short-circuit break and close current | KA | 6.3 | 12.5 | 20 | ||||
4 | Rated short-circuit close current(peak value) | KA | 16 | 31.5 | 50 | ||||
5 | Rated peak value withstand current | KA | 16 | 31.5 | 50 | ||||
6 | Rated little 1min withstand current | KA | 6.3 | 12.5 | 20 | ||||
7 | Rated insulation 1evel | Industrial frequency withstand voltage(dry) | KV | 42 | |||||
Thunder impulse withstand voltage(peak value) | 75 | ||||||||
8 | Tated operation the order | Off-0.3S-on and off-180S-on and off | |||||||
9 | Mechanical life-span | times | 10000 | ||||||
10 | Rated short-circuit current break and close time | times | 30 | ||||||
11 | Speak and move organization amount assign the current of the floodgate | V | 110,220 | ||||||
12 | Speak and move organization amount assign the current of the floodgate | V | 110,220 | ||||||
13 | Switching distance of the contact | mm | 11±1 | ||||||
14 | Uitra journey(touches the head spring and compress length) | mm |
| ||||||
15 | three-phase breaking intoshut folldgate sex of the same period | ms | ≤2 | ||||||
16 | Touch the head and shut a floodgate of time of bouncing | ms | ≤2 | ||||||
17 | Average speed of breaking brake | m/s | 1.0±0.2 | ||||||
18 | Average speed of closing brake | m/s | 0.7±0.15 | ||||||
19 | Time of breaking brake | Operate it under the voltage highest | s | 0.015-0.05 | |||||
Operate it under the voltage the mostlow | 0.03-0.06 | ||||||||
20 | Time of closing brake | s | 0.025-0.05 | ||||||
21 | Each the resistance of main reture circuit | μΩ | ≤120 | ||||||
22 | Allowance abrasion cumulated thickness of the moving and stationary contact | mm | 3 | ||||||
ZW8-12 Outdoor Vacuum Breaker
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Company Info
Buondi Electrical Technology Co.,Ltd
[China (Mainland)]
[Verified Member]
City: Wenzhou
Province/State: Zhejiang
Country/Region : China (Mainland)
Business Type:Manufacturer, Trading Company, Agent, Business Service (Transportation, finance, travel, Ads, etc)
Online Postings: Products