| Customization: | Available |
|---|---|
| Type: | Power |
| Structure: | Fixed Board |
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ZW32-12 outdoor MV vacuum circuit breaker is the outdoor distribution equipment with rated voltage 12KV,three phase AC 50Hz It is used in substation and industrial and mining enterprises distribution system for protecting and controlling use.It is also used in rural power grid places with frequent operation for breaking and dlosing the load current and over load curent and short circuit current of power system.
1.operating handle 2.spindle of solation 3.circuit breaker manualon-off handle
| Item | Unit | Parameter | ||
| Voltage, current parameters | ||||
| Rated voltage | kV | 12 | ||
| Rated short time power frequency withstand voltage (1min) | kV | 42/48 | ||
| Rated lightning impulse withstand voltage (peak) | kV | 75/85 | ||
| Rated frequency | Hz | 50/60 | ||
| Rated current | A | 630 | 1250 | |
| Rated short-circuit breaking current | kA | 20 | ||
| Rated short-time withstand current (RMS) | kA | 20 | ||
| Rated peak withstand current | kA | 50 | ||
| Rated short-circuit closing current | kA | 50 | ||
| Rated single / back-to-back capacitor bank breaking current | A | 630/400 | ||
| Rated short-circuit current duration | S | 4 | ||
| Rated short-circuit current breaking times | Times | 50 | ||
| The main circuit resistance | μΩ | ≤80(140) | ||
| Rated operational voltage | AC/DC≌220 | |||
| Mechanical life | Times | 10000 | ||
| The overcurrent regulating ☆ | A | 1~10 | ||
| Quick-break current ☆ | A | 6~20 | ||
| The delay time ☆ | ms | 40~850 | ||
| Remote control distance ☆ | m | > 30 | ||
| Reclose time ☆ | Times | 0~3 | ||
| Rated operating sequence ☆ | O-0.3s-CO-180s-CO | |||
| CT | Ratio | A | ()/5 | |
| Capacity | VA | 15 | ||
| The output voltage | A | AC220 | ||
| The output capacity | W | 600 | ||
| The overcurrent regulating | A | 1~10 | ||
| The delay time | ms | 40~850 | ||
| Remote control distance | m | 30 | ||
1. The environment temperature: upper limit +40ºC, lower limit -30ºC
2. Altitude ≤ 2000 meters
3. Wind pressure: no more than 700Pa (corresponding to the wind speed 34m/s)
4. Earthquake intensity: do not exceed 8 degree
5. Pollution grade: III class
6. Maximum daily temperature: less than 25ºC .
Suitable for Three-Phase Distribution Network System of Ac 50hz, 12kv
Remembering The Number of Faults in Accordance with The Set Operation Sequence, Automatic Isolation of Fault Sections, Small Current Grounding Protection Function, Ultra-Wide Temperature Application Range, Good Man-Machine Interface and Other Important Functions
Used for Three-Phase Distribution Network Systems with A Voltage of 10-12 Kv At 50 Hz
With Self-Contained Control and Protection Functions That Can Automatically Perform Opening and Reclosing Operations in Ac Lines in Accordance with A Predetermined Opening and Reclosing Sequence, and Automatically Reset or Block Afterwards
Quickly Segment and Isolate Faults, Reducing The Scope of Power Outages to A Minimum, and is Ideal for The Transformation of Urban and Rural Networks
Q2:How do you control the quality ?
A2:Professional QC team comply with TQM insure you the quality. Each step is in compliance to the standards,At the same time ,we will take photos or shoot video for you.
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