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    Item No.: ADJUSTABLE V/A

    ADJUSTABLE V/A PROTECTOR

    Description：

    Overvoltage protector, professional level voltage abnormality protection, automatic disconnection and restoration of power supply, ensuring safe and stable operation of equipment.
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      This compact over and under voltage protector is designed for space-limited distribution boards while maintaining full voltage protection functionality.

      🔹 Key Technical Knowledge

      • Design focus: Compact modular structure

      • Protection function: Over & under voltage cutoff

      • Installation: DIN rail

      • Application: Small distribution boxes

      🔹 Why choose this product?

      • Saves installation space

      • Easy integration into existing panels

      • Ideal for retrofit projects

      🔹 OEM & Manufacturing Advantage

      As an OEM factory, we support customized housing sizes and branding for compact electrical solutions.

      🔹Use Cases / Industries

      • Office buildings

      • Retail power systems

      • Commercial distribution panels

      Front-face Panel

      Technical Data

      Supply terminals N,L
      Rated supply voltage AC220V；DC85-300V
      Rated frequency 40/50/60/70Hz
      >V setting range AC130-300V;DC130-300V
      <V setting range AC80-210V;DC85-210V
      Voltage hysteresis 5V
      Overvoltage trip delay 0.5s
      Voltageaccuracy <1%
      Max.operating phase voltage 350V
      Max.operating current 40A/63A
      Altitude ≤2000m
      Function Lightning protection
      Pemissable relative humidity <50% at 25℃
      （without condensation)
      Ambient temperature ·-25℃~+55℃
      Size 81*36*66mm

      Setup Menu

      Set
      character      		 Technical
      parameter      		 Setrange Default
      value      		 Setcharacter Technical
      parameter      		 Setrange Default
      value
      L-1 Power-ondelaytlme 1-999s 5s L-11 Overcurrentcounter 0-20times Off
      L-2 Recoverydelay 1-999s 30s L-12 Currentadjustment -10%~
      +10%V      		 Real-time
      currentdata
      L-3 OvervoltageSetting 130-300V 270V L-13 Frequencyadjustment Donotmodify
      -2.5%+2.5%HZ      		 Real-time
      frequencydata
      L-4 Overvoltagerecovery

      value

      		 125-295V 265V L-14 Quickpowerdown
      protection      		 ON/OFF on
      L-5 UndervoltageSetting 80-210V 170V L-15 Threemodels 1:Standard
      2.Manual
      3.Automatic      		 1
      L-6 Undervoltagerecovery
      value      		 85-215V 175V L-16 Automaticreset ON/OFF on
      L-7 Voltagetripdelay 0.1-10s 0.5s L-17 Switchmode ON/OFF on
      L-8 VoltageCorrection -10%~
      +10%V      		 Real-time
      voltagedata      		 L-18 Energysavingmode ON/OFF off
      L-9 OvercurrentSetting 1A-40A
      1A-63A      		 40A
      63A      		 L-19 Passwordsetting 000-999 112
      L-10 Overcurrenttripdelay 0.1-10s 1.0s

      FAQ

      1. What commercial applications is this product designed for?
      This model is designed for offices, retail stores, and commercial facilities.

      2. How does it improve power reliability?
      By disconnecting abnormal voltage quickly, it prevents equipment downtime and damage.

      3. Is it compatible with three-phase systems?
      It is typically used in single-phase branches within commercial power systems.

      4. Does it require maintenance?
      Minimal maintenance is required under normal operating conditions.

      5. Is OEM cooperation supported?
      Yes. We support custom specifications and branding for commercial projects.

      Start Customizing Now

      We offer a full range of customised services, working closely with our customers every step of the way, from concept design to final delivery.

      Contact

      Other＆Products

      Our team is always guided by the needs of our customers, providing professional consultation and support to ensure your satisfaction.

      ANYTHING YOU COULDN’T FIND？

      Talk With Our Sales

      We know that every business is unique, so we offer customized services to ensure that our products perfectly match your specific needs:

      • Comprehensive brochure you can download
      • 15 years factory experience
      • Fast delivery
      • OEM&ODM
      • Low price
      • Small MQQ

      SEND US AN EMAIL

      devin@cnspd.com

      Contact Us

      We constantly evaluate and improve our processes to ensure that we are delivering the most efficient and reliable electrical products on the market.

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