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Home > Intelligent Switch > China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
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China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories
China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories

China The Automatic Recovery of Overvoltage and Undervoltage Dual Display, with Voltage and Current Ranging from 1 to 63A, can be Set with a Protector Manufacturers, Factories

.Overvaltage 130V~300V, undervoltage 80V~210V, It is always under protection upon incorect setting.and fault lamp is on.
.Abnormal ignition of front-end power,power failure and other protector actions.
.After manual protection tums off the output, it must be tumed on manually.
.When the protection function is tured off, the relay remains as it is and no longer acts, but the switchbutton is still active.
.Voltage, current, frequency, visual power, etc. are switched according to mode.
. Prevent the parameters from baing modified by mistake, which cannot achieve the purpose of protection.
.When DC is used, current / power is invalid.
.Reduce the brightness of digital tube to save energy when the protector ls not active. 
.The system performance and stabllity are improved and the system has high maintainabllty.

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Product Description

Product Description

Dual display automatic reset overvoltage protector is a new generation of home appliance protection device developed according to the current power supply situation.
• Overvoltage protection range value: 230~300V (Household safety reference value: 275V).
• Overcurrent protection range value: 1~63A (Precisely adjustable).
• Delay protection: Automatically cuts power during undervoltage or overcurrent and restarts based on set time (3~300s).
Matters Needing Attention
1. Equipment must be installed by qualified professionals.
2. Disconnect all power before operating; do not touch terminals when energized.
3. Verify all terminals are properly connected.
4. Do not disassemble or repair the equipment independently.
5. Avoid environments with corrosive gas, strong sunlight, or rain.
6. Clean only with a dry cloth.
7. Compliance with these instructions is mandatory to avoid serious injury.

Wiring Method

Wiring Method Diagram

Parameter Information

Product name Intelligent Under-Over Voltage and Over Current Protector Undervoltage value 100V~210V
Effective Current Range AC0.1A~63A Overvoltage value 230V~300V
Effective Voltage Range AC80V~300V Reset start delay 3s-300s
Frequency Range 40Hz~70Hz Table Update 0.1s~1.0s
Screen Refresh Rate >1000Hz Time Range 1s~999s

Product Size

Product Size Dimensions

Detailed Pictures

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Frequently Asked Questions

What is the main function of the Dual Display Protector?
It is designed to protect household appliances by automatically cutting off power during overvoltage, undervoltage, or overcurrent situations, and resetting once conditions stabilize.
Can I customize the protection voltage range?
Yes, the overvoltage protection range can be set between 230V and 300V, and the undervoltage range between 100V and 210V according to your needs.
What is the maximum current this device can handle?
The device supports an effective current range from 0.1A up to 63A, which is more precise than traditional current limiters.
How long does the device take to restart after a protection trigger?
The reset start delay is adjustable from 3 seconds to 300 seconds, allowing you to set a safe buffer time for your appliances.
Does this protector require professional installation?
Yes, for safety and proper functionality, the equipment must be installed by qualified electrical professionals.
In what environments should I avoid using this device?
The device should not be used in locations exposed to corrosive gases, direct heavy sunlight, or rain to ensure its longevity and safety.

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