1PCS JVRD-380 Overvoltage and undervoltage broken phase sequence protector / three-phase power supply monitor relay | Обустройство

1PCS JVRD-380 Overvoltage and undervoltage broken phase sequence protector / three-phase power supply monitor relay | Обустройство

​Pls tell me the Voltage,you need when you place order.

If you do not inform the required parameters, we will choose the default shipping(AC380V).

◆Feature

  --  standard modular structure the guide rail type installation

  -- realtime monitoring threephase overvoltage, undervoltage fault phase phase voltage imbalance fault no additional auxiliary power

  --  set of normally open normally closed contacts

  -- 2 the only light indicating all kinds of working state

  -- 5 indicator light indicates a variety of working conditions

 ◆ overvoltage protection function

  --  under

  --  three

  -- phase overvoltage, undervoltage fault phase

  --  phase voltage imbalance fault

  --  motor fan

 ◆ pumps

    ●  air compressor     ●  crane    ● Driving    ●  elevator  ● Crane

    ●  the elevator    ●  machine    ●  the central air ● conditioning and refrigeration equipment  ●  laser equipment

    ● industrial control systems technical parameters selection   ●  rated voltage   ●  a undervoltage code   ●  empty

◆ see table below

◆ empty  

         JVRD - □  □

                       1      2 

  1. over: 220,380,440,460,480

  2. three: voltage , A, B, C, T over

      voltage - under+15%   three-15%

      A- under+10%   three-10%

      B- under+12.5% three-10%

      C- under+15%   three-12.5%

      T- three

◆ typical wiring diagram

◆ note

this product is generally of the threephase powerThe power supply side samplingShall not be installed on the output side of the inverter power source