Audited Supplier
Qinghao Electric is developing and producing a variety series LV MV and HV switchgears.
ZW32 series outdoor high voltage vacuum circuit breaker is an outdoor distribution equipment with rated voltage of 12kV and three-phase alternating current of 50Hz.It is mainly used to open and close load current, overload current and short circuit current in power system.It is suitable for the protection and control in the power distribution system of substation and industrial and mining enterprises, as well as the places where the rural power grid is frequently operated. The circuit breaker has the characteristics of small volume, light weight, anti-condensation, free maintenance and so on. It can adapt to the harsh weather conditions and dirty environment.
Please check below quick links for other product types.
| Control Transformer | Oil Immersed Transformer | Dry Type Transformer |
| Substation Transformer | Switchgear | Distribution Cabinet |
Main Characteristics
Qinghao switchgear meets the requirements of GB7251, JB/T9661, IEC60439 related standards.
1. High breaking capacity.
2. Good dynamic and thermal stability.
3. Flexible electrical scheme.
4. Convenient combination, strong practicality.
5. Novel structure and high protection level.
Advantages
1. Fault detection and isolation.
2. Automatic restoration of service.
3. Protection of distribution systems.
4. Sectionalizing and grading.
5. Enhanced system reliability.
6. Integration with smart grid technologies.
7. Renewable energy integration.
Applications
Reclosers are typically installed on distribution feeders, at substations, or at critical points along power lines where they can quickly respond to faults and help maintain the overall reliability and stability of the electrical grid. They are equipped with intelligence to analyze fault conditions and make decisions based on pre-set parameters, and they play a crucial role in modern power systems management.
Service Environment
1. Ambient temperature: -30°C to +45°C
2. Altitude: ≤1000 meters.
3. Max. air relative humidity90%(±25ºC);
4. Max. Ground ramp degree 3°;
5. The earthquake: the horizontal acceleration≤0.3m/s2 , the vertical acceleration≤0.15m/s2
6. The installation site shall be free from explosion danger, fire, filthy material, chemical corrosion and violent vibration;
(Note: If the application environment is different from the above standard conditions, please contact for customized designs.)
Safe and reliable control protection and monitoring function.
*We offer a variety of standard designs and configurations, and also can customize for special designs and options.
The rated voltage can be customized as customers' requirements. For instant communication, please click here.
| No. | Item | Unit | Data | |
| 1 | Rated voltage | kV | 12 | |
| 2 | Rated current | A | 630 | |
| 3 | 1min power frequency withstand voltage | Dry test: phase to phase, ground/fracture | kV | 42/48 |
| Wet test: phase to phase, ground/fracture | kV | 34 | ||
| 4 | Lightning impulse withstand voltage (peak value) phase to phase, ground/fracture | kV | 75/85 | |
| 5 | Rated short circuit breaking current | kV | 20/25 | |
| 6 | Rated short circuit making current (peak value) | kA | 50/63 | |
| 7 | Rated peak withstand current | kA | 50/63 | |
| 8 | 4s short-term withstand current | kA | 20/25 | |
| 9 | Rated operating sequence | - | O-0.3s-CO-180s-CO | |
| 10 | Rated short circuit current breaking times | times | 30 | |
| 11 | Mechanical life | times | 10000 | |
| 12 | Energy storage motor rated voltage | V | DC24 | |
| 13 | Energy storage motor rated power | W | 70 | |
| 14 | Rated operating voltage | V | DC24 | |
| 15 | Energy storage time at rated voltage | S | <10 | |
| 16 | Partial discharge of the whole machine | Pc | <10 | |
Confirmation before ordering
1. Model, name and quantity of circuit breaker;
2. Rated voltage, rated current and rated short-circuit breaking current of the circuit breaker;
3. Operation mode of operating mechanism (manual, electric, with remote control), type and rated value of operating power supply;
4. Current transformer accuracy level, ratio, quantity;
5. Name and quantity of spare parts;
6. Indicate special requirements via email or call if needed.
Qinghao Electric Co., Ltd. (Hereinafter referred to as Qinghao Electric) is a reliable and specialized power transmission and distribution equipment manufacturer located in Wenzhou City, Zhejiang Province. We are focusing on transformer, substation, switchgear and other power related products' R&D and manufacture from 2010. Our products mainly include oil immersed transformer, dry-type transformer, amorphous alloy transformer, prefabricated substation, pad mounted substation, solar photovoltaic & wind power step-up substation, high and low voltage switchgear.
With more than 20years develop and production efforts, our products are sold to many countries all over the world. Now our products' technical performance has reached the advanced level in power industry, and our company has become a leading professional power distribution manufacturer not only in China but also in the world. With the concept of "world-class transformers, smart solutions", Qinghao Electric is devoting to provide high-quality power for customers.
Let us cooperate with a brighter future!
Q: Are you a Manufacturer, factory or Trading company?
A: Yes, we are engaging over 20years in the research and development, production and operation of distribution equipment (transformer, switchgear, substation, etc.).
Q: What's your warranty terms?
A: We offer 24 months warranty time.
Q: How long is the production time?
A: 25 to 45 days or depending on order requirements.
Q: What's your payment terms?
A: T/T, L/C or negotiation.
Q: How do you conduct quality control in your factory?
A: Qinghao transformers are manufactured in accordance with international standards and customer requirements with IEC, SGS, Intertek, CCC, CE and other international certifications. All transformers are 100% conducting routine test, type test and special test in accordance with IEC Standards and customer requests at the end of the manufacturing process to ensure every product is qualified.
Q: Do you have the products in stock?
A: Normally no, but we have raw material stock to shorten production lead time.
Q: How can I trust you?
A: Qinghao Electric has more than 20years manufacturing experience, and cooperated with many customers all over the world. We have many patent certificates, CE certificate, KEMA certificate, ISO9001, ISO14000 certificate. We are the audited supplier of TUV and Made-In-China.
Q: What should provide to make custom transformer?
A: Technical drawing and specification documents are the best, or you can list key parameters for designing.
Q: Could I have your catalog and price list?
A: Price may change based on material market. Welcome to contact for accurate price via Made-in-China or company official website.
