AMC72L-E4/KC Multifunction Panel Power Meter

Name: AMC72L-E4/KC Multifunction Panel Power Meter
Brand: Acrel
SKU: AMC72L-E4/KC
Availability: InStock

Application:

1) Multifunction three-phase power monitoring for low-voltage distribution systems
2) Measures voltage, current, active power, reactive power, apparent power, power factor and frequency
3) Supports four-quadrant energy metering, voltage/current unbalance monitoring and phase angle measurement
4) Suitable for switchgear, distribution cabinets, factories, commercial buildings and energy management systems

Basic Parameters:

1) Wiring: three-phase four-wire
2) Rated voltage: AC 3×57.7/100V or 3×220/380V
3) Rated current: AC 1A or 5A
4) Accuracy: voltage/current Class 0.2; active power Class 0.5; active energy Class 0.5; reactive power/energy Class 1.0
5) Communication: RS485 Modbus-RTU, baud rate 1200–38400bps
6) I/O: 2DI+2DO+1 energy pulse or 4DI+2DO
7) Auxiliary power: AC/DC 85–265V
8) Panel size: 75×75mm; cut-out size: 67×67mm

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Information

Parameter

Function

Download

Characteristic

Communication

RS485 Communication
Modbus-RTU Protocol
Baud Rate: 1200–38400bps

Display
LCD Display
System Time Display
Parameter Setting and Control via Keys

Rated U and l
Three-phase Four-wire
Rated Voltage: AC 3×57.7V/100V, AC 3×220V/380V
Rated Current: AC 1A or 5A
Frequency: 45–65Hz
Voltage Overload: 1.2× continuous, 2× for 1s
Current Overload: 1.2× continuous, 10× for 1s

General

AMC72L-E4/KC is a 72-size panel-mounted multifunction power meter designed for electrical parameter measurement, energy metering and power monitoring in three-phase four-wire systems.It measures three-phase voltage and current, zero-sequence voltage and current, active power, reactive power, apparent power, power factor, frequency, voltage phase angle, voltage/current unbalance, forward and reverse power and four-quadrant energy.The meter is equipped with an LCD display, RS485 communication and configurable digital input/output functions, making it suitable for power distribution systems, industrial facilities, commercial buildings, SCADA systems and energy management systems.

Function

Accuracy

Voltage & Current: Class 0.2
Active Power: Class 0.5
Reactive Power: Class 1.0
Active Energy: Class 0.5
Reactive Energy: Class 1.0
Frequency: 0.05Hz

Frequency

45–65Hz

Power Quality

Voltage phase angle
Voltage unbalance
Current unbalance

Energy Measurement

Forward and reverse power
Four-quadrant energy metering

Communication

RS485
Modbus-RTU
Baud Rate: 1200–38400bps

Input & Output

2DI + 2DO + 1 Energy Pulse
or
4DI + 2DO

Switching Input

Dry contact input, built-in power supply

Relay Output

Normally open contact
AC 250V / 3A
DC 30V / 3A

Auxiliary Power Supply

AC/DC 85–265V
Power Consumption ≤10VA

Environment

Operating Temperature: -25°C to +65°C
Storage Temperature: -40°C to +80°C
Relative Humidity: ≤93%RH, non-condensing
Altitude: ≤2500m

Wiring

Installation

Typical connection

Communication RS485 Communication Modbus-RTU Protocol

System voltage
AC 3×57.7V/100V, AC 3×220V/380V
Frequency
45–65Hz Voltage Overload: 1.2× continuous, 2× for 1s Current Overload: 1.2× continuous, 10× for 1s

Technical data

Parameter	Value
Baud rate	1200–38400bps
Rated Current	AC 1A or 5A
Current	Class 0.2 Active Power: Class 0.5 Reactive Power: Class 1.0 Active Energy: Class 0.5 Reactive Energy: Class 1.0
Storage temp.	-40°C to +80°C Relative
Humidity	≤93%RH, non-condensing
Altitude	≤2500m

Built-in functions

Display LCD Display System Time Display Parameter Setting and Control via Keys
Rated U and l Three-phase Four-wire
Communication RS485 Modbus-RTU

Ask us about this model. Send us the rated values of your circuit and the supply voltage; we confirm the ordering code, wiring diagram and register list within one working day.

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Item	Parameter
Wiring	Three-phase Four-wire
Frequency	45–65Hz
Rated Voltage	AC 3×57.7V/100V, AC 3×220V/380V
Voltage Overload	1.2 times continuous; 2 times for 1s
Voltage Consumption	<0.5VA
Rated Current	AC 1A / 5A
Current Overload	1.2 times continuous; 10 times for 1s
Current Consumption	<0.5VA
Voltage Accuracy	Class 0.2
Current Accuracy	Class 0.2
Active Power Accuracy	Class 0.5
Active Energy Accuracy	Class 0.5
Reactive Power Accuracy	Class 1.0
Reactive Energy Accuracy	Class 1.0
Frequency Accuracy	0.05Hz
Communication	RS485
Protocol	Modbus-RTU
Baud Rate	1200–38400bps
Digital Input	Dry Contact Input
Relay Output	Normally Open Contact
Relay Contact Capacity	AC 250V/3A, DC 30V/3A
Energy Pulse	Open-collector Optocoupler Output
Pulse Constant	10000 imp/kWh, Settable
Auxiliary Power	AC/DC 85–265V
Auxiliary Power Consumption	≤10VA
Operating Temperature	-25℃～+65℃
Storage Temperature	-40℃～+80℃
Humidity	≤93%RH, Non-condensing
Altitude	≤2500m

Function	Support
Three-phase Voltage	✓
Zero-sequence Voltage	✓
Three-phase Current	✓
Zero-sequence Current	✓
Active Power	✓
Reactive Power	✓
Apparent Power	✓
Power Factor	✓
Frequency	✓
Voltage Phase Angle	✓
Voltage Unbalance	✓
Current Unbalance	✓
Forward / Reverse Power	✓
Four-quadrant Energy	✓
System Time Display	✓
RS485	✓
Modbus-RTU	✓
Digital Input	✓
Relay Output	✓
Energy Pulse Output	Optional Configuration
LCD Display	✓