Item No.: ADJUSTABLE V/A PROTECTOR

Key Specifications：

Overvoltage protector, professional level voltage abnormality protection, automatic disconnection and restoration of power supply, ensuring safe and stable operation of equipment.

This adjustable over and under voltage protector allows users to set customized voltage limits, offering flexible protection for regions with frequent voltage fluctuations.

🔹 Key Technical Knowledge

Protection type: Adjustable over / under voltage protection
Control logic: User-defined voltage threshold
Installation: DIN rail mounting
Suitable systems: Low-voltage AC distribution panels

🔹 Why choose this product?

Adaptable to different national grid standards
Reduces nuisance tripping in unstable networks
Ideal for export and multi-market applications

🔹 OEM & Manufacturing Advantage

We provide customized voltage ranges, private labeling, and OEM enclosure options for panel builders and electrical brands.

🔹Use Cases / Industries

Industrial automation
Control cabinets
OEM electrical equipment

Front-face Panel

Technical Data

Supply terminals

N,L

Rated supply voltage

AC220V

Ratedf requency

50/60Hz

>VsettingrangeAC

130-300V

<Vsetting range

AC80-210V

Voltage hysteresis

Overvoltagetripdelay

0.5s

Voltage accuracy

<1%

Max.operating phase voltage

350V

Max.operating current

40A/63A

Altitude

≤2000m

Delaytime

1-999s

Perissable relative humidity

<50% at 40%C
（without condensation)

Ambient temperature

·-25℃~+55℃

Setup Menu

Set
character

Technical
parameter

Set
range

Default
value

Set
character

Technical
parameter

Setrange

Default
value

P-1

Startingdelaytime

1-999s

P-7

OvercurrentSetting

1A-40A
1A-63A

40A
63A

P-2

Recoverydelaytime

1-999s

30s

P-8

Currenttriptime

0.1-10s

1.0s

P-3

OvervoltageSetting

130-300v

270V

P-9

Overcurrentmetertimes

0-20times

10s

P-4

UndervoltageSetting

80-210V

170V

P-10

CurrentCorrection

-10%~
+10%V

Real-time
currentdata

P-5

Voltagetriptime

0.1-10s

0.5s

P-11

InitlalPassword

000-999

825

P-6

VoltageCorrection

-10%~
+10%V

Real-time
voltagedata

P-12

Passwordsetting

000-999

825

FAQ

1. What makes this voltage protector adjustable?
This model allows users to set custom over-voltage and under-voltage limits, making it suitable for different regional grid conditions.

2. Why is adjustable voltage protection important?
It enables precise protection for sensitive equipment that requires tighter voltage tolerances.

3. Is this device suitable for industrial applications?
Yes. Adjustable settings make it ideal for industrial control panels and automation systems.

4. How fast does the device respond to voltage faults?
It provides rapid disconnection once preset limits are exceeded, minimizing equipment stress.

5. Does it meet international standards?
The product is manufactured under strict quality control aligned with international electrical safety requirements.

6. Do you support OEM orders for this version?
Yes. We offer OEM/ODM services, including parameter customization and private labeling.