TOSUN protector is your best choice.
When the voltage is too high and too low, the power will be automatically disconnected, automatically detected & automatically recorded.
When the voltage returns to normal, the power will be automatically connected & automatically restored.
No need of manual operation, all-round real-time monitoring and protection
We're well-known as one of the leading over and under voltage protector suppliers in China for our quality
products and good service.
Please feel free to buy or wholesale bulk over and under voltage protector made in China here from our
All protective actions are automatically controlled. Indicators on the panel display the working condition of
This product is convenient to use, reliable in quality and excellent in performance.
TDP modular digital over & under voltage protector is self-healing phase failure & phase sequence
protective relay and it's a newly developed household electrical equipment protector.
The protector can quickly disconnect the power supply to protect the appliances when there is power
interruption or the voltage exceeds or falls below the predetermined value.
When the power supply recovers, the protector automatically connects the power after a 1-2 minute
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