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China, Chinese Dds238-4 W L1/L2 FM2s Bi-Directional Active Energy Measure Phase Voltage Frequency Tomzn1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Meter for ElectricityVoltage MeterTomzn Tuya Smartlife 8-90VDC63A WiFi Smart Switch
Zhejiang Tongzheng Electric Co., Ltd.
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Product DescriptionDDS238-4 W Energy Meter (single phase 3-Wire, 110/220V, 10(100)A)Key Features:LCD display with keypad navigation for step-by-step parameter viewing.Bi-directional active energy measurement (import/export).Real-time monitoring of phase voltage, active power, frequency, L1/L2 current, and energy data (total/import/export active energy + reactive energy).RS485 communication with MODBUS-RTU protocol (default: 9600bps, address 1–247, 8 data bits, no parity, 1 stop bit).Pulse output (optical coupling isolation) + LED indicator for energy consumption.Non-volatile memory stores energy data for >15 years without power.35mm DIN rail mounting, bottom-terminal wiring.Technical Specifications:Voltage:Rated: 110/220V AC (L1-L2 range: 90–300V)3-wire system Current:Rated: 10(100)A (overload capacity: 30×Imax for 0.01s).Start current: 40mA.Frequency: 50/60Hz ±10%.Accuracy: Class 1% or 0.5%.Isolation & Protection:AC withstand voltage: 4000V/25mA for 60s.IP rating: IP20.Power Consumption: <2W/10VA.Pulse Output: Passive, pulse width 80±5ms.Standards Compliance: IEC62053-21, DIN 43880.Operating Temperature: -25°C to +70°C.Applications:Suitable for single-phase, bi-directional energy measurement in grid-tied systems (e.g., solar PV monitoring).Ideal for industrial/commercial use with RS485 data logging and MODBUS integration.
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