EV3M-R
EV3M-R
Rear panel-mounting (72x72mm) three-phase multifunction device, with 230 V AC power supply and 1 V / 10 mA measurement resolution. Vemer also provides the DIN-rail version EV3M-D.
What is a three-phase multifunction device?
A three-phase multifunction device is designed for true rms measurement (TRMS) of major electrical quantities in 3-phase 3-wire or 4-wire systems. The measurable quantities are: phase voltages (L-N), concatenated voltages (L-L), phase currents, phase active power, phase apparent power, phase reactive power, power factor (cosφ), frequency, neutral current. The range of the ammeter can be changed via the programming menu. These devices are often used in industrial and commercial settings.
Display
The presence of three separate displays enables the display of measured quantities simultaneously. The red 3-digit displays allows a good readability of the measurement even at a distance. There are also LEDs on the front of the device to indicate the status of the relay and the unit of measurement.
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