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Ningbo FXT Industrial Co.,Ltd.
Ningbo FXT Industrial Co.,Ltd.  

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Automatic Reset Voltage Protector used in house and villa three-phase four-wire 220v electrical system 

Payment Terms: T/T,L/C,WU,Paypal,Money Gram 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: carton box packing
Production Capacity: 100000pcs/week
Delivery Date: 20days

Automatic Reset Voltage Protector used in house and villa three-phase four-wire 220v electrical system.

Automatic Reset Voltage Protector


1. Applications

Used in house and villa three-phase four-wire 220v electrical system, when the power voltage abnormally too high or too low, or zero line phase loss, cut off the power to protect electrical equipment from damage.

2. Features 

LED display control status. Voltage measurement accuracy ≤ 1%. 50/60Hz universal. DIN rail mounting.With phase loss and phase sequence protection.

3. Technical parameters

Related control supply voltage: AC220V 50/60Hz

Contact configuration capacity(A):  40A,50A, 63A(80A) 

Over-voltage action value: 265V

Over-voltage reset value: 257V 

Under-voltage action value: 175V 

Under-voltage reset value: 180V 

Action delay: 0.1s 

Power on delay: 2s 

Reset delay: 1s 

Voltage measurement error: ≤1%

Delay error: 10%+0.1s

Rated insulation voltage: 415V 

Electrical durability: 100,000

Mechanical durability: 1000,000

Degrees of protection: IP20

Pollution degree: III

Altitude: ≤ 2000m

Permissible relative humidity: ≤ 50% (40℃) No condensation

Installation: width 35mm(IEC/EN60715)

4. Function diagram

5. Wiring diagram

6. Typical applications

7. Dimension


Customization is acceptable, please contact us. Thanks!


Ms. Dan Li
skype Ms. Dan Li
Sales Manager
Mobile: 186 5741 8352
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Company Info

Ningbo FXT Industrial Co.,Ltd. [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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