Modular | Digital electric energy voltmeter | Three-phase | 80–500VAC | DIN

Technical Specifications:

Measurement Type: Three-phase voltage meter

Measurement Range: AC 80V ~ 500V

Power Supply Voltage: 230V

Measurement Accuracy: ±1%

Power Terminals: 3 phases (L1, L2, L3) + 3 neutral wires (N)

Refresh Rate: >200 ms

Display: LED digital indicator (per phase)

Protection Class: IP20

Electrical Service Life: ≥15,000 hours

Mounting: DIN rail (standard 35 mm)

Operating Temperature: -5°C to +40°C (daily average ≤35°C)

Storage Temperature: -25°C to +70°C

Relative Humidity: 1–80% (non-condensing)

Operating Pressure: 80–160 kPa

Weight: 75 g

Functions:

Accurate real-time voltage measurement for each phase

Clear LED display ensures easy data reading even in low light

Automatic phase voltage refresh over 5 times per second

Compact design saves panel space

Suitable for residential, commercial, and industrial applications

Usage:

Voltage monitoring in electrical panels and distribution boxes

Monitoring of three-phase systems in homes, offices, workshops

Diagnostics of voltage fluctuations (with additional equipment)

Pros:

Easy installation – mounts directly on DIN rail

Compact size – fits even in small panels

Fast voltage analysis – >200 ms refresh rate

Accurate measurement – ±1% error

All three phases visible – increased system reliability

Attractive price – cost-effective solution with high functionality

Cons:

No signal output – cannot automatically activate protective devices

IP20 protection – not recommended for outdoor installation without additional protection

No memory function – does not record previous values or faults

Conclusion:

The digital three-phase voltmeter is an ideal choice for installers, engineers, or even home users seeking to monitor voltage simply, reliably, and accurately. With its compact housing, DIN rail mounting, and clear LED indicator, it's a great solution for both new projects and upgrades of existing electrical distribution systems. If you're looking for an affordable yet reliable solution for three-phase voltage control – this device is exactly what you need.