3X AC 200-450V Power Meter DIN Rail Type Digital Display Ammeter Voltmeter The current DIN Din Voltage amperemetre is used to measure voltage and alternating current, and calculate the active power, the reactive power and the power factor at the same time.It works by driving the wire through the hole, especially to check the high power devices at all times, thus ensuring our safety.Display voltage, current and power simultaneously through the digital LED tube.DIN rail installation and easy measurement, just connect to power and direct the wire through the hole.Wide voltage and current measurement range.Compatible with all home appliances, allowing you to monitor their electrical condition at real time.Help to remind you to shut down high power appliances, preventing safety problems and saving electricity.Easy to install on a DIN rail.High precision, easy to use.Made of high quality ABS materials, it is safe, reliable and durable.Material: ABScolor: WhitePrecision: 1%, +/- 2 wordsDisplayer: AC and AC voltage with 4-digital 0.31 inch LED; Active power, power and reactive power factor with 5-digital 0.31 inch LEDMeasuring range: AC voltage 200-450V; 0-100.0A alternating current; active power: alternating voltage 80.0-300.0V: 0-30000W; reactive power: 80.0-300.0V: 0-30000VA; power factor: 1,000 to 0,000Measuring speed: about 2 times per secondMounting width: = 3P (DZ47 / C45, air switch position)Installation Path: DIN rail (DIN rail universal step, not included)Size: 8 x 5.4 x 6.4cm / 3.15 x 2.13 x 2.52 inchThe Package includes:3 x ammeter power meter voltmeter3 x User Manual (English)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.