-inserting type three phase four wire electromechanical active energy meter-Inserting installed, the panel opening size: 152×234mm, the cover is made ABS 
   engineering plastics molded overall which has a transparent glass window, the base of 
   the meter and the terminal block are also made of ABS engineering plastics molded 
   overall. It has following features: Good weatherability, good insulation performance, etc.
-inserting type three phase four wire electromechanical active energy meter -The meter frame adopt aluminum alloy molding with excellent mechanical strength, 
   stable structure and anti-impact.
-inserting type three phase four wire electromechanical active energy meter -Voltage components and current components is used of double insulation structure, has 
   good electrical characteristics.
-inserting type three phase four wire electromechanical active energy meter -Standard configuration of the meter adopt doule jewel bearing, upper oriented bearing is 
   made of lubrication graphite bush and stainless steel needle. It has following features: 
   Small abrasion and minimal friction, etc. May select magnetic thrust bearing (Product 
   Configuration code is PC)
-inserting type three phase four wire electromechanical active energy meter -All kinds of error adjustment mechanism adopt no step shifting mechanism. The meter 
   starting and creeping needn’t to be adjusted which is finished by anti-creeping hole of 
   disc and convenient for adjusting by users.
-inserting type three phase four wire electromechanical active energy meter -Standard configuration 6 digits display by drum wheel mechanical counter, may select 7 
   digits display by drum wheel mechanical counter (Product Configuration code is PO).
-inserting type three phase four wire electromechanical active energy meter -Standard configuration without the anti-reverse device, may select add anti-reverse 
   function. (Please specified when ordering).
-inserting type three phase four wire electromechanical active energy meter -Two components measurement three phase four wire active energy consumption. The 
   accuracy class 1 or class 2 may select by users. Complying with standard IEC 62053-11. 
   (Please specified when ordering).
-inserting type three phase four wire electromechanical active energy meter -Standard configuration use CT, type 48Z wiring for operation, may select PT & CT (Product 
  Configuration code is PL), type 48Z wiring for operation.
-inserting type three phase four wire electromechanical active energy meter -Short terminal cover.