HUAWEI Energy Meter 3-Phase 4-Wire LCD RS485 TH

The HUAWEI Energy Meter is a high-precision 3-phase, 4-wire (3p4w) energy meter designed for commercial and industrial applications. It features a backlit LCD display, RS485 communication with Modbus RTU protocol, and a configurable S0 pulse output. The meter is DIN rail mountable (TH35) and occupies 4 DIN modules (72mm width). It measures active and reactive energy, voltage, current, power, power factor, frequency, and total harmonic distortion (THD). Accuracy class 1 for active energy and class 2 for reactive energy. Operating temperature range -25°C to +55°C. Protection rating IP51 (front) and IP20 (terminals). Non-volatile memory retains total energy readings.

Advantages

• High accuracy Class 1 for active energy measurement
• Comprehensive parameter monitoring including THD
• RS485 Modbus RTU interface for easy integration
• Backlit LCD display for clear reading
• Compact DIN rail design saves space
• Configurable S0 pulse output for remote metering

Suitable for

• Commercial building energy management
• Industrial sub-metering
• Solar PV monitoring
• Smart grid applications
• Energy efficiency projects

Key specifications

• Measurement: 3-phase, 4-wire (3p4w)
• Nominal voltage: 3 x 230V/400V AC (L-N/L-L)
• Nominal current (CT secondary): 5A
• Frequency: 50/60 Hz
• Accuracy: Class 1 (active), Class 2 (reactive)
• Display: Backlit LCD
• Communication: RS485 Modbus RTU
• Pulse output: S0 (configurable)
• Mounting: DIN rail TH35, 4 modules (72mm)
• Operating temperature: -25°C to +55°C
• Protection: IP51 front, IP20 terminals

Recommendations

For accurate energy monitoring in three-phase systems, this HUAWEI meter provides reliable data for billing and analysis. Ensure proper CT installation and programming for optimal performance.