This high-accuracy 3-phase 4-wire energy meter is designed for measuring nominal frequency 50 or 60Hz single-phase AC active electricity. High-quality flame-retardant ABS housing, offering excellent impact resistance, heat/cold resistance, insulation, and durability. A 6+2 digit backlit LCD display ensures accurate and clear energy consumption readings. Utilizes a 35mm DIN standard rail installation; its size and light weight simplify installation. Pure copper wire terminal ensures conductivity and corrosion resistance for long-lasting performance. This is a simple three-phase four-module DIN rail meter with a flame-retardant ABS housing, widely used in sub-metering systems. It features an attractive design, compact size, and high-quality construction for lasting use. Specifications: Display: Backlit LCD display Current: 3x5(80)A Voltage: 3x220/380V Accuracy Class: 1.0 Standard: IEC62053-21 Frequency: 50/60Hz Impulse Constant: 400imp/kWh Power Consumption: 2W Starting Current: 0.004lb Operating Temperature: -20~55 Celsius Storage Temperature: -25~70 Celsius Color: Transparent Material: Flame-retardant ABS+metal Size: 100 x 76 x 65mm Package Contents: 1 * 3-phase 4-wire energy meter Note: For different batches, the brand on the product may differ from the picture, which does not affect the use. 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.