Products features
1. Time: 12 contacts' fixed opening time and closing time, in-phase same time, out-phase same time.
2. Reclose: close-open, open-close, open-close-open for each breaker; process time: 1 opening time, 1 closing time, 2 closing time, metal short circuit time, no-current time.
3. Springing: closing springing time, springing numbers, springing waveform for each breaker; rebound magnitude for each breaker.
4. Speed: instant opening, closing speed, max speed, time-range characteristic curve.
5. Range: total range, open range, over-range, overriding range, rebound magnitude.
6. Current: opening/closing current of opening/closing coil, current waveform diagram.
7. Action voltage: DC30 -250V/20A digital adjustable power circuit breaker, auto finish the breaker low voltage action test, measure the breaker action voltage.
Product parameters
| Service condition | Input power | 220V±10% 50Hz±10% |
| Atmospheric pressure | 86~106kpa ºC |
| Temperature | -10~40ºC |
| Humidity | <=80%RH |
| Safety Performance | Insulation resistance | >2MΩ |
| Dielectric strength | Power to chassis frequency voltage withstands 1.5KV, 1 min, no flashover and arcing. |
| Basic parameters | Time | Range: 4000.0ms, resolution: 0.1ms
error: < 100ms, 0.1ms±1d
>100ms, 0.1%±1d
synchronous |
| Speed | Range: 20.00m/s, resolution 0.01m/s
error:0~2m/s : ±0.1m/s±1d
>2m/s, ±0.2m/s±1d |
| Range | Vacuum Circuit Breaker: range-50.0mm, resolution-0.1mm, error-1%±1d
SF6 Circuit Breaker: range-300.0mm, resolution-1mm, error-1%±1d
Oil-minimum breaker: range-600.0mm, resolution-1mm, error-1%±1d |
| Current | Range: 20.00A, resolution: 0.01A |
| Output power | DC30~250V digitally adjustable /20A (Instantaneous) |
| Dimension | 360×280×300mm3 |
| Weight | 9kg |
Wuhan Huatian Electric Power Automation Co., Ltd was established in 1992, is one of the earliest and famous manufactures produce HV testing equipments. We are professional manufacture of electric equipments (design and production). Located in Wuhan East Lake New & High
Tech. Industrial Development Zone, Huatian supplys advanced HV test equipments and detection instruments for electric system, scientific research institution and manufactures related to electric equipments. Huatian is a high- technology company combines research, production and commerce as one. Our products widely used in electric power, water conservancy, oil, railroad, mine and chemical industry etc.
The power of development comes from our steady innovative science strategy, the root of the innovation is excellent human resource. Now we have more than 100 employees, average age is 29. Bachelors more than 85%, researchers more than 1/3, include 5 Doctors, Masters 15, middle and high technical title 30. We are an knowledgeable team full of vigorous, energetic and workforce spirit, based on this, the enterprise structure taking technology innovation and market development as main body comes into being.
Huatian relys on Wuhan HV research institute, Huazhong University of Science and Technology, and Wuhan University, commits to research, production and sale for testing and measuring equipments of electric power, HV test equipment, substation testing system on-site and software related to this. We execute modern management system holisticly, obide the certification of ISO9001: 2000 strictly. After the company founded, our sales volume increased progressive and fast, which is the element for Huatian taking-off.
Huatian takes "Excellent quality, circumspect service, customer supreme, integrity is essential" as our steady policy. We sincerely hope to cooperate with customers all over the world and make progress together.
