ZW8G-12 Plateau type permanent magnet outdoor high-voltage vacuum circuit breaker with remote controlDetailed product description：

ZW8G-12 plateau type permanent magnet with remote control is used for three-phase power systems with AC 50Hz and voltage of 10-12kV. It is used for breaking and closing load currents, and has overload and short circuit protection functions. It can also be equipped according to user needs

Install surge current delay protectors and install lightning arresters or isolating switches, such as circuit breakers and isolating switches.

ZW8G-12 High Altitude Permanent Magnet Outdoor High Voltage Vacuum Circuit Breaker with Remote Control Main Technical Parameters

Number Project Unit Data
Rated voltage KV 12
2 rated insulation level, 1-minute working rated withstand voltage, dry test, 42 wet test, 34 lightning impulse withstand voltage (peak value), 75
3 rated insulation level A 630; 400； two hundred
4 rated short-circuit breaking current kA 20; 16；12.5
The rated operating sequence is divided into -0.3s, -180s, and -180s
6 rated short-circuit breaking times 30 times
7 rated short-circuit closing current (peak) kA 50
8 rated peak withstand current
9 rated short-time withstand current 20
10 rated short-circuit continuous current s 4
11 Opening time (excitation trip) Maximum operating voltage MS 15~50 Rated operating voltage Minimum operating voltage 30~60
12 closing time 25~50
13 fully open and open time ≤ 100
14 arc time ≤ 20
15 mechanical life cycles 10000
16 closing power J 70
17. Rated input power of energy storage motor W ≤ 250
18 rated operating voltage and rated voltage of auxiliary circuit V DC220, 110, 24 AC220, 110, 24
19. Energy storage time under rated voltage s<10
20 overcurrent release rated current A 5 tripping current accuracy% ± 10