Powerful Boundary Load Switch ZW20-12(F) Series High Voltage Vacuum Circuit Breaker With Smart Controller
Product Description:
The ZW20-12(F) boundary load switch is a type of three-phase AC 50Hz outdoor high voltage switchgear primarily designed for use in rural and urban 10 kV outdoor distribution networks. It serves to handle load current, overload current, short circuit current, and similar scenarios.
The boundary load switch features a three-phase common box structure, consisting of several components, including an operating mechanism, a conductive circuit, an insulating system, a sealing element, and a shell. These components work together to ensure the efficient and safe operation of the circuit breaker.
Additionally, the ZW20-12(F) boundary load switch is equipped with intelligent remote terminals that support various distribution automation applications, allowing for enhanced control and monitoring capabilities.
Moreover, there is another variant of this circuit breaker called ZW20-12(Z), which is an outdoor intelligent high voltage AC true air breaker. It incorporates a GSM short message function, enabling communication via text messages.
Furthermore, the ZW20-12(F) boundary load switch can be combined with a dividing switch controller to form an outdoor dividing high voltage AC true air breaker system. This combination enhances the functionality and versatility of the circuit breaker, providing more comprehensive control and protection capabilities.
Characteristics of the controller:
Intelligent terminal controller with protection, automatic control, check / query, communication, software management and other functions.
1 Fully functional:Perfect line protection, remote control, alarm, remote monitoring and other functions.
2 Low cost and practical:GSM network without any communication hardware investment, buy a SIM card to open the SMS service;
The use of designated mobile phones, information encryption, password verification and other security means;GSM module can specify the mobile phone number, only accept bound mobile phone life;Encrypt text messages for remote control and other control points. · Encrypt text messages that control life, such as remote control.Preset - confirm - execute - back to school remote control mode, to ensure the safety of system control, to prevent misoperation.
4 Easy to build system: No need to set up any communication lines and debug the communication lines.Simply install the SMS intelligent monitoring terminal correctly, insert the SIM card, set the designated mobile number, and the system begins to run.
5 Mobile monitoring anytime and anywhere: In any location where there is a signal, it can be monitored and viewed in real time, without the need for special personnel to monitor.
Feature:
1.Strong ability to withstand pollution, high and low temperature resistance, and no combustion or explosion hazards.
2.Fully enclosed structure, filled with SF6 gas in the enclosure, excellent sealing performance, suitable for use in high-temperature and humid areas.
3.Equipped with a current transformer (CT) for outputting current to the intelligent controller for information analysis. The transformation ratio is adjustable, and the connection terminals can be connected to the corresponding terminal sockets.
4.The operating mechanism is innovative and simple, with a small size and light weight, ensuring safe and reliable operation.
5.The outer casing has conspicuous indicators for "energy storage," "open," and "close" states.
Structure:
1.The microcomputer-based relay protection and monitoring device serves as the controller for the circuit breaker system. It utilizes advanced microcomputer technology to provide precise and efficient relay protection and monitoring functions.
2.The controller is designed with robust weather resistance, allowing it to withstand various environmental conditions. It is also equipped with protection against condensation, ensuring reliable operation even in humid or damp environments.
3.To establish a secure and dependable connection, the controller is linked to the switch body using aviation connectors. These connectors offer a high level of stability and durability, ensuring proper communication and functionality between the controller and the switch.
4.The controller boasts excellent connection reliability, minimizing the risk of signal loss or disruption. It maintains a high protection level, safeguarding the integrity and accuracy of the relay protection and monitoring system.
Environmental Conditions:
1.The ZW20-12(F) automatic vacuum circuit breaker is designed to operate reliably within a wide ambient air temperature range, from -40 °C to +70 °C. This temperature tolerance ensures that the circuit breaker can function effectively in various climatic conditions.
2.The circuit breaker is suitable for installation at altitudes not exceeding 3000 meters above sea level. This altitude compatibility allows for flexible deployment in different geographic locations.
3.The ZW20-12(F) circuit breaker is built to withstand ambient air contamination caused by dust, smoke, corrosive gases, steam, or salt spray. It is designed to meet Class IV contamination level standards, ensuring that the circuit breaker remains resilient and operational even in challenging and corrosive environments.
4.With a maximum wind speed tolerance of 34 m/s (equivalent to 700 Pa on the surface of the cylinder), the circuit breaker can withstand strong winds without compromising its performance or stability. This wind speed resistance ensures the reliable operation of the circuit breaker during extreme weather conditions.
5.The circuit breaker is designed to minimize the impact of external vibrations or ground motions on its performance. Its construction and internal mechanisms are engineered to absorb and dampen vibrations, ensuring that the circuit breaker remains unaffected by external disturbances.
6.The ZW20-12(F) circuit breaker is designed to limit induced electromagnetic interference (EMI) in the secondary system. The amplitude of the induced EMI in the secondary system does not exceed 1.6kV, ensuring that the circuit breaker does not generate excessive electromagnetic disturbances that could interfere with the operation of other connected equipment.
Technical Parameters:
| 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 |
Technical Parameter of Controller:
| Serial No. | Parameter | Data |
| 1 | Woking input voltage | AC220V |
| 2 | Input working frequency | 50Hz |
| 3 | Allowable voltage fluctuation range for input voltage | ±20% |
| 4 | Total power consumption of the device | ＜10W |
| 5 | Sampling value of phase current input | 60-600A |
| 6 | Low voltage operation threshold | 10-140V |
| 7 | Allowable sampling error for power input value | ±5% |
| 8 | Overcurrent protection delay time value | 0.1-0.3s |
| 9 | Setting value for zero-sequence current | 0.2-6A |
| 10 | Grounding action delay time | 0-1200s |
Product Tags:
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Powerful Boundary Load Switch ZW20-12(F) Series High Voltage Vacuum Circuit Breaker With Smart Controller Images
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