11 -33kV Vacuum Circuit Breaker

  • ZW32-33KV Outdoor High Voltage Vacuum Circuit Breaker and Controller (Recloser)
  • ZW32-33KV Outdoor High Voltage Vacuum Circuit Breaker and Controller (Recloser)

ZW32-33KV Outdoor High Voltage Vacuum Circuit Breaker and Controller (Recloser)

This outdoor vacuum circuit breaker is outdoor distribution equipment with rated voltage 11KV and three-phase AC 50Hz. 

This outdoor vacuum circuit breaker is outdoor distribution equipment with rated voltage 11KV and three-phase AC 50Hz. It is combined micro processing technology, modern network communication technology and the new switch manufacturing technology together, and has multi-protection and functions, such like overload, short circuit, quick break, earthing, reclosing, remote control and remote communication, etc. This circuit breaker is mainly used for breaking and closing the power system load current, overloads current and short-circuit current. Widely used in urban power grid as a section or contact switch, or for rural electric power distribution system of outdoor substation as a outgoing switch.

33kv outdoor vacuum circuit breaker
outdoor vacuum circuit breaker

ZW32-33kV outdoor vacuum circuit breaker + recloser is a combined serialized product:

1. Combination disconnecting switch is optional for it, which can provide visible contactor for line maintenance;

2.magnetic operating system is also optional, to form complete operating functions when cooperate with vacuum arcing chamber, making the actions of open and close stable and reliable;

3.Adopts new type of composite solid insulation structure, combined the vacuum arcing chamber, main electric circuit and insulation support as an integrated solid pole column organically, completely solved the contradiction between miniaturization of vacuum arcing chamber and the requirement of external insulation;

4. Horizontal layout of bushing, transversal layout of the output and input, even in the overhead lines connection, also conducive to the access of the cable;

5. The intelligent control power supply system in the unit can ensure to provide continuous power for battery at least 24 hours, to control the switch reliable

Environmental conditions

1 .Ambient temperature: -40 °C -40 °C ;

2.Altitudes 2000m;

3.Earthquake intensity: 8;


4.Wind pressure: 700Pa


5.No fire, explosion, serious filthy, chemical corrosion and violent vibration of places;

The main technical parameters

NoNameUnitValue
1Rated voltageKV122440.5
2Rated currentA630,12501250,1600
3Rated frequencyHZ5050,60
41 min power frequency withstand voltageDryKA42/4865/7980/95
Wet3480/95
5Lightning impulse withstand current (peak)KV75/85125/145185
6Rated short-circuit breaking currentKA20,2531.5
7Rated short-circuit current (peak)KA50,6380
8Rated peak withstand currentKA50,6380
94s short-time withstand currentKA20.2531.5
10Rated operating cycleO-0.3S,CO-180S-COO-0.1 S,CO-3S-CO-6S-CO-60S
11Rated short-circuit current breaking timetimes30
12Mechanical lifetimes3000020000
13Secondary circuit 1 min power frequency withstand voltageKV2
14Clearance between open contactsMM9±1
15Over connect distanceMM2.5±0.5
16Average making speedM/S1.2±0.2
17Average breaking speedM/S0.8±0.2
18Making connect bounce timeMS≤2
19Circuit resistanceμ  Ω≤80
20Making timeMS25~60
21Breaking timeMS18~45

33kV Outline and installtation dimension drawing

33kV Outline and installtation dimension drawing
33kV Outline and installtation dimension drawing

The function of the controller -phase distance protection
-zero-sequence protection
-real-time clock
-indident record
-real-time status query

The characteristics of the controller
-can take 485/232 communication interface,or through GSM short message
-the wireless remote monitoring
-jump switching circuit adopts the design by mistake
-zero sequence current can distinguish zone and fault zone,the remote control
Communication methods
Serial communication
Remote control of the ball in from close range
Optional communication way
PDA handheld communication and realizes the four-remote function.
GSM short message realizes the four-remote function.
After can be directly controlled by mobile phone also can network is controlled by the background concentration
GPRS wireless communication,which can realize the four remote functions, networking and centrally controlled by the background.

The main technical parameters

The main technical parameters
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