Input power supply: three-phase AC 380V ± 10% (single-phase AC 220V ± 10%); 50Hz ± 5 Hz
Input current: 7.5-250A
Timing length: 0-9999S (special mode can be used for long-term work)
Voltage accuracy: ≤ 1.0% ± 1 word (F.S)
Current accuracy: ≤ 1.0% ± 1 word (F.S)
Note: If there are special parameter requirements, design and production can be carried out according to the user's technical parameters.
Product Description
This series of products are designed and manufactured according to the test protection requirements of high-voltage light high-voltage test transformers. Various models and parameters are available. The products are divided into pointer control box, manual control box, automatic control box, intelligent console, manual console and other structural forms. It has zero protection, over-current and over-voltage protection, audible and visual alarm and other functions. It is small in size, light in weight, beautiful in appearance, and easy to operate. It is a supporting equipment for high-voltage light high-voltage test transformers.
Product features 1. It has high voltage, low voltage current, zero position indication, power supply indication, working indication and timing indication.
2. It has over-current protection, zero start protection, audible and visual language alarm reminder.
3. The new time relay is adopted, with a wider timing range (1S-99H).
4. The new current relay is more accurate and reliable to ensure personal and equipment safety.
5. The combination of hardware and software anti-interference technology has stable performance and strong anti-interference.
6. The high voltage coil of the test transformer is of cylindrical multilayer tower type, made of high-quality polyester enamelled wire and high voltage withstand insulation material.
7. It has the characteristics of light weight, small volume, convenient movement and superior performance.
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