INNOVATION

TOSUN Protector
The Real Protector

TOSUN protector is your best choice.

Are you still worried about burning out the appliances
because of unstable voltage?

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

DIGITAL OVER AND UNDER VOLTAGE PROTECTOR

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 factory.

Model
Number of Poles	1P,3P
Rated Current (A)	20, 32, 40, 50, 63 \| 30, 40, 50, 63
Over-Voltage Cut-Off Value (VAC)	230-270 adjustable (400V short time) 390-450 adjustable
Recovery Setting Time Range (s)	10 - 600
Ambient Temperature (℃)	-20 ~ +40

DIGITAL OVER AND UNDER VOLTAGE PROTECTOR-2

DIGITAL OVER AND UNDER VOLTAGE PROTECTOR-3

MANUAL

All protective actions are automatically controlled. Indicators on the panel display the working condition of the protector. This product is convenient to use, reliable in quality and excellent in performance.

Fault Voltage Record
Time Delay Record
Set Low Voltage
Set High Voltage

PRODUCT DESCRIPTION

Modular Digital Over &
Under Voltage Protector

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 delay.