User Manual
Chapter 1 Meter Overview
1.1
Overview
DZ81-MA3UI5C is an advanced, smart networked multifunctional energy meter. It is widely used in
power distribution sites, energy management systems and intelligent monitoring systems of different
industries. Measuring all parameters: three phase voltage, current, line voltage, zero-sequence current,
zero-sequence voltage, voltage unbalance, current unbalance, active power, reactive power, apparent
power, power factor, frequency, four-quadrant electric energy, bidirectional active / reactive energy,
total active/reactive energy metering, demand analysis etc. It has 2-channel relay output, 4-channel DI
and 2-channel energy pulse output function, and support standard Modbus RTU communication
protocol.
Display:LCD
Chapter 2 Specifications
2.1 Dimension (unit: mm)
2.2 Installation (unit: mm)
This series of products should be installed in a dry and dust free environment, and avoid exposing to
excessive heat, radiation and high electrical noise source. The meters can be installed into a standard
panel cutout of switch cabinet.
A.
Remove the clips from the meter and insert the meter into the cutout from the front side. Make sure
that the screen is at the front of the panel.
B.
Install clips on the back side of the meter and secures tightly to ensure the meter is affixed to the
panel.
2.3 Technical Parameters
2.3.1 Input Voltage
Reference Voltage: 3
×
220V/380V Voltage Range: 0~1.2Un
2.3.2 Input Current
Measuring Range: 1
‰
In~1In Starting Current: 1
‰
In
Secondary Current of CT: 1A/5A
2.3.3 Measuring Accuracy
