Three-Phase Smart Meter

DTSU208

The DTSU208 is a rail-mounted, three-phase four-wire electronic energy meter. It measures grid parameters including active energy, reactive energy, voltage, current, power, power factor, and frequency. Equipped with an RS485 interface, the meter transmits power monitoring data to inverters and other devices for rapid response and control. With standard DIN-rail mounting, it is compact and easy to install. It is widely used for power data monitoring in new energy applications such as distributed photovoltaics and energy storage power stations.

Real-time Fast Refresh

● Supports 20ms fast refresh of parameters such as voltage, current, active power, reactive power, and power factor.

Communication Function

● Equipped with an RS485 communication interface, supporting a maximum baud rate of 115200.

New Energy Smart Meter

DTSU208


Connection	Three-phase Four-wire (3P4W); Three-phase Three-wire (3P3W)
Voltage	Rated Voltage: 3×57.7/100V, 3×120/208V, 3×230/400V, 3×240/415V, 3×100VOperating Voltage Range: 80% to 120% of rated voltage.
Current	1(6)A
Accuracy	Active Accuracy Class: Class C or 0.5S, Reactive Accuracy Class: Class 2
Frequency	50Hz/60Hz
Communication Port	Communication Interface: RS485, Protocols: DL/T 645-2007, Modbus-RTU Baud Rate: 1200, 2400, 4800, 9600, 19200, 38400, 115200 bps (Configurable)
Dimension (HxWxD)	99.4mmx72mmx67mm

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