Three Phase 100A Energy Meter – 380V 3-Phase 4-Wire LCD kWh Power Consumption Monitor, DIN Rail
The EA771 is a high-precision three-phase four-wire energy meter, ideal for both residential and industrial power monitoring. Designed for 380V systems, this digital wattmeter can measure total energy consumption up to 999999.9 kWh with high accuracy and long-term stability. With a clear LCD display, DIN rail mounting, and compact design, the EA771 is a smart choice for anyone who needs reliable three-phase electricity metering.
Manufactured according to the GB/T17215.321-2008 national and IEC62053-21 international standards, the EA771 meets grade 1 or level 2 accuracy. It’s engineered for durability, stability, and anti-electromagnetic interference – perfect for demanding environments. Whether you are an installer, technician, or facility manager, this meter helps you monitor and manage your power usage effectively.
Key Features
- Compliance with GB/T17215.321-2008 & IEC62053-21 standards
- LCD 6+1 digits display – shows total consumption clearly
- High reliability, compact build, and low power consumption
- Advanced anti-electromagnetic interference design
- Supports 3-phase 4-wire AC power systems
- Indoor use – suitable for environments from -25°C to +55°C
- DIN rail installation (35mm standard)
Technical Specifications
- Model: EA771
- Material: Metal + ABS
- Reference Voltage: 3×127/220V, 3×220/380V, 3×230/400V
- Reference Current: 3 x 10(100A)
- Accuracy Class: 1.0
- Frequency: 50/60Hz
- Constant Pulse: 400 imp/kWh
- Display: LCD (999999.9 kWh)
- Power Consumption: ≤2W / 10VA
- Starting Current: 0.004Ib
- Operating Temp: -20°C to +55°C
- Storage Temp: -25°C to +70°C
- Voltage Range: 0.9–1.1 × Rated Voltage
- Utmost Voltage: 0.7–1.2 × Rated Voltage
- Average Humidity: ≤75%
- Protection Rating: IP20
- Weight: 400g
- Dimensions: 100mm × 76mm × 65mm
Applications
- Industrial power monitoring and distribution boards
- Factory machinery and 3-phase equipment tracking
- Commercial building energy metering
- Rental properties with three-phase connections
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