3-phase 4-wire energy meter designed for accurate measurement of active electricity in single-phase AC systems at rated frequencies of 50 Hz or 60 Hz. High-quality flame-retardant ABS case with good impact resistance, thermal stability (heat and cold resistance), electrical insulation, and durability. 6+2-digit backlit LCD display for clear and precise energy consumption reading. Mounts on standard 35 mm DIN rail; compact size and lightweight design facilitate easy installation. Pure copper wiring terminals ensure excellent conductivity and corrosion resistance for reliable long-term performance under high current loads. Display: Backlit LCD Current: 3×20(80) A Voltage: 3×220/380 V Accuracy Class: 1.0 Compliance Standard: IEC 62053-21 Frequency: 50/60 Hz Impulse Constant: 400 imp/kWh Power Consumption: ≤ 2 W Starting Current: 0.004 A Operating Temperature: -20 °C to +55 °C Storage Temperature: -25 °C to +70 °C Material: ABS Color: Transparent Package Contents: 1 × Energy Meter DTM024 1 × User Manual in English Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.