The DDS228 rail energy meter, is the latest developed a new type of single-phase electronic energy metering products and the products comply with the international standards GB/T17215.321-2008 and IEC62053-21 1 and 2 Static AC Active energy meter technical requirements .. apply to a reference voltage of 220V or 230V. frequency of 50Hz or 60Hz single-phase AC active energy metering the product to adapt to the wide voltage range and high reliability, long life, high precision, low power consumption and has features such as anti-tamper. its rail structure design., small size, easy to install using standard 35mm rail mounting interface internationally accepted! can be widely used in urban, rural or factories and enterprises in the single-phase energy metering and centralized installation., parameters and specifications voltage: 220V/230V ± 20% Frequency: 50Hz current specifications: 1.5 (6) 2.5 (10) A 5 (30) 10 (60) A 20 (80) A voltage circuit power consumption Current circuit power consumption: ≤ 1.0W 5VA: ≤ 1VA (Ib) normal operating temperature: -15 ℃ - +55 ℃ storage transport temperature: -25 ° C - +70 ° C ambient humidity: ≤ 85% of the product life: more than 10 years Dimensions: 75X88X73.5 Weight: about 270g three functions and features. measurement functions: with a measurement of the positive and negative active energy accumulated in the total charge. 2. 5 +1 step counter or LCD record cumulative power. energy pulse instructions; power indicator function. 35mm DIN rail or plate before installation. 5. Passive pulse output. 6. using high-quality long-life electronic components. strong overload capacity, long-term work without adjustment. Sales Hotline :0577 -6,298,677,113,757,772,139 Contact: Zhu micro