Electrical Boundary Vacuum Interrupter Switch With Hookstick Switches Stainless Steel Porcelain For Outdoor
Product Description:
The ZW20-12(F) Outdoor Vacuum Circuit Breaker is a versatile and intelligent device that combines the functions of a vacuum breaker, vacuum load switch, recloser, and sectionalizer. It is designed for use in 10kV and 13kV distribution networks, specifically in city and rural power grids.
The main components of the ZW20-12(F) circuit breaker include a vacuum breaker, CH-40 controller, and an external voltage transformer. The vacuum breaker is responsible for interrupting and making electrical circuits, while the CH-40 controller provides intelligent protection and control functions. The external voltage transformer helps in accurate voltage measurement for control and monitoring purposes.
The GW9-10 high voltage disconnect switch is an electrical switch that is designed to isolate a section of an electrical network or system from the rest of the system for maintenance or repair purposes. It is typically used in high voltage power transmission and distribution systems.
The switch is designed to open and close under normal or abnormal conditions, such as a fault or overcurrent. When the switch is open, it physically disconnects the section of the system from the rest of the network, preventing the flow of electricity to that section.
High voltage disconnect switches are typically designed to operate at voltages between 600 volts and 765,000 volts, and they can be operated manually or automatically. They are typically installed in substations or on power poles, and they are an important component of the electrical grid infrastructure.
Double effect of using when GW9-10 series isolator swich can be used with the vacuum circuit breakers.
Characteristics of the controller:
1.It can be equipped with a 485/232 communication interface, or achieve long-distance monitoring through fiber optics or wireless communication. After reclosing, it has an acceleration function: when the switch recloses due to a permanent fault.
2.When a permanent fault occurs, it automatically accelerates to trip.
3.Remote control/manual reclosing with acceleration to trip, and reclosing interlock: After the user repairs the line and restores power, if they forget to remove the grounding knife switch, it should accelerate to trip.
4.The delay time for reclosing can be adjusted for all three attempts.
5.The trip/reclosing circuit is designed to prevent false operation and has anti-reclosing functionality.
6.Zero-sequence current can differentiate between faults inside and outside the zone.
7.The remote control trip/reclosing adopts a design to prevent false operation.
Application:
1.Disconnecting Switch and Contact Switch: The ZW20-12(F) circuit breaker can be used as a disconnecting switch or contact switch in the ring network configuration of power distribution systems. It enables the opening and closing of circuits during maintenance or fault conditions.
2.Automatic Switch Device: It serves as an automatic switch device, allowing for the implementation of load switching in the ring network configuration. This feature enhances the flexibility and efficiency of power distribution.
3.Boundary Switch: In branch lines of the power supply, the ZW20-12(F) circuit breaker can function as a boundary switch or "watchdog." It helps in monitoring and protecting the branch line against faults and abnormal conditions.
4.Recloser and Sectionalizer: The circuit breaker can operate as a recloser and sectionalizer in overhead distribution networks. It automatically restores power after temporary faults and isolates faulty sections to minimize the impact of outages.
Structure:
1.The controller is a microcomputer-based relay protection and monitoring device.
2.The controller has strong weather resistance and protection against condensation.
3.It is connected to the switch body through aviation connectors.
4.It has good connection reliability and a high protection level.
The controller has four input analog channels: Phase A current, Phase C current, zero-sequence current, and Phase BC voltage. The controller monitors the values of these analog inputs in real-time and compares them with set values to determine line faults and initiate corresponding actions.
Technical Parameters:
ZW20-12(F)
| Serial No. | Parameter | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Insulation level of Fracture | Working Frequency(Dry Test/Wet Test) | 48 |
| Voltage of Lightning Shock Test (Peak) | 85 |
| 3 | Level of Insulation to ground/phase to phase | Working Frequency | Dry Test | 42 |
| Wet Test | 34 |
| Voltage of Lightning Shock Test (Peak) | 75 |
| 4 | Rated Current | A | 630, 1250 |
| 5 | Rated short-circuit breaking current | kA | 16, 20, 25 |
| 6 | Rated short-circuit breaking current breaking times | times | 30 |
| 7 | Rated short-time withstanding current | kA | 16, 20, 25 |
| 8 | Rated short-circuit duration | S | 4 |
| 9 | Rated short-circuit closing current (peak) | kA | 40, 50, 63 |
| 10 | Rated peak withstanding current | kA | 40, 50, 63 |
| 11 | Mechanical lifetime | times | over 1000 |
| 12 | Opening rated current | 10000 |
| 13 | Net Weight | kg | 180 |
GW9-10
| Serial No. | Parameter | Unit | Data |
| 1 | Rated Voltage | kV | 12 |
| 2 | Rated Current | Model No. | (H)GW9-12(W)/630-20 | A | 630 |
| (H)GW9-12(W)/1000-20 | 1000 |
| (H)GW9-12(W)/1250-31.5 | 1250 |
| 3 | 4s Short-time withstanding current | Model No. | (H)GW9-12(W)/630-20 | kA | 50 |
| (H)GW9-12(W)/1000-20 | 50 |
| (H)GW9-12(W)/1250-31.5 | 80 |
| 4 | Rated Insulation Level | Lightning surge withstand voltage(peak) | Polar-to-Earth
(Positive & Negative) | kV | 75 |
Interfracture
(Positive & Negative) | 85 |
Industrial frequency withstand voltage
(1 min)
(Effective value) | Dry Test/Wet Test | Polar-to-Earth | 42(Dry)
34(Wet) |
| Interfracture | 48(Dry) |
| 48(Dry) |
48(Dry)
40(Wet) |
| 5 | Main Circuit Resistance | μ Ω | 630 |
| 1000 |
| 1250 |
| 6 | Mechanical Life Time | times | 50 |
| 50 |
| 80 |
Product Tags:
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Electrical Boundary Vacuum Interrupter Switch With Hookstick Switches Stainless Steel Porcelain For Outdoor Images
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