ZW32-12G (M) Permanent Magnet Vacuum Circuit Breaker 12kV Outdoor VCB Breaker Power Devices

Classification:Vacuum circuit breaker

Inside Road & Administration Industry & Trading Garden,Houshan Industry Area,Fuzhou City,Fujian Province

0591-22806687 0591-22806697

0591-22806667

bs@china-grid.com.cn

Overview
Description:

ZW32-12(G)□/M series permanent magnet outdoor vacuum circuit breaker is an outdoor power distribution equipment with rated voltage of 12kV and three-phase AC 50Hz. It is mainly used to break and close the load current, overload current and short circuit current in the power system.

It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises, and places where rural power grids are frequently operated.

The circuit breaker has the characteristics of small size, light weight, anti-condensation and maintenance-free, and can adapt to harsh weather conditions and dirty environments.

This type of product is operated by a permanent magnet operating mechanism; since the permanent magnet operating mechanism is provided with a holding force by the permanent magnet, the switch is kept at the opening and closing position, the number of mechanical parts is small, and the mechanism transmission chain is short, thereby greatly improving the reliability of the switch. Sex and institutional life.

No. Item Unint Data
1 Rated frequency Hz 50
2 Rated voltage kV 12
3 Rated current A 630/1250
4 Rated short-time power frequency withstand voltage Interphase,to earth(wet) kV/min 42/1
Interphase,to earth(dry) 48/1
Break(dry) 34/1
Secondary circuit to earth 2/1
5 Rated lightning impulse withstand voltage Interphase,to earth kV 75
Break 85
6 Rated short-circuit breaking current kA 20/25
7 Rated short-circuit making current(peak) 50/63
8 Rated short-time withstand current and duration kA/s (20/25)/4
9 Rated peak withstand current kA 50/63
10 Rated short-circuit breaking current breaking times Times 30
11 Rated operating voltage and rated voltage of auxiliary circuit V AC/DC220、DC48、DC24
12 Main circuit resistance Without isolation μΩ ≤80
with isolation ≤120
13 Mechanical life Times 20000

Note:if altitude over than 1000m, the rated insulation level should be modify as appropriate

Contact Us
0591-22806687 0591-22806697
0086-13950298099
0591-22806667
Inside Road & Administration Industry & Trading
      Garden,Houshan Industry Area,Fuzhou City,Fujian Province
Sampras@china-grid.com.cn
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