Power & Energy Panel Meter – EV300 Series

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EV300 panel meter product images.
EV300 - front view.
EV300 - left quarter angle view.
EV300 - bottom view.
EV300 - right quarter angle view.
CE Mark
ANSI 0.2 Class

Power & Energy
Panel Meters

EV300 Series

The EV300 Series power and energy panel meter is an affordable, user-friendly three-phase metering solution for monitoring power, voltage, current, and bi-directional energy. Certified to utility revenue grade accuracy standards, its standard panel mount design, Modbus-RTU communications, and array of I/O and alarm options make this economical meter a valuable tool in any industrial or commercial environment.

  • Utility Revenue Grade: ANSI C12.20 0.5 Class & IEC 62053-22 0.5s Class
  • Modbus-RTU via built-in RS485 port
  • Field configurable 5A/1A CT input
  • Pulse, analog transducer, & alarm-triggered output options available
  • Two form factors: Standard panel mount meter or built into an AcuPanel pre-wired enclosure
  • Lowest cost within its metering class, guaranteed

EV300 Overview

Select an EV300 Model

There are two, distinct models in the EV300 power and energy panel meter series: EV387 is a basic voltage and current monitoring instrument while the EV390 includes monitoring of additional parameters such as power (kW), reactive power (kVar), apparent power (kVA), energy, and more.
View Table

Choose an I/O Option

Each EV300 model can be equipped with various input/output options such as digital inputs, digital outputs (pulse), analog outputs (4-20mA), and relay outputs. Certain variations can also be equipped with a 24Vdc I/O power supply for incoming digital pulses.

Choose Optional Accessories

The EV300 Series is ready to adapt to your installation. Accessorize your panel meter with helpful items such as a Protective Display Cover for additional defense in harsh environments or a useful USB Converter for easy meter configuration.
View Accessories

EV300 front quarter angle view.

EV300 Models

EV387
EV390
ApplicationRevenue-grade voltage & current panel meterRevenue-grade power & energy panel meter
MeteringVoltage, Current, Reactive EnergyVoltage, Current, Power, Reactive Power, Apparent Power, Power Factor, Frequency, & Energy
Current Sensing Input5A/1A
I/O Options2 DI
(See table for more I/O options)
Modbus-RTU
Panel Mount Option
Current Sensing InputChoose from: 5A/1A, 1A, or 333mV
Power SupplyChoose from: P1 (100-415Vac, 50/60Hz, 100-300Vdc) or P2 (20-60Vdc)
EV387
ApplicationRevenue-grade voltage & current panel meter
MeteringVoltage, Current, Reactive Energy
Current Sensing Input5A/1A
I/O Options2 DI
(See table for more I/O options)
Modbus-RTU
Panel Mount Option
Current Sensing InputChoose from: 5A/1A, 1A, or 333mV
Power SupplyChoose from: P1 (100-415Vac, 50/60Hz, 100-300Vdc) or P2 (20-60Vdc)
EV390
ApplicationRevenue-grade power & energy panel meter
MeteringVoltage, Current, Power, Reactive Power, Apparent Power, Power Factor, Frequency, & Energy
Current Sensing Input5A/1A
I/O Options2 DI
(See table for more I/O options)
Modbus-RTU
Panel Mount Option
Current Sensing InputChoose from: 5A/1A, 1A, or 333mV
Power SupplyChoose from: P1 (100-415Vac, 50/60Hz, 100-300Vdc) or P2 (20-60Vdc)

EV300 Features

Any installation icon.
Adapt to Any Installation

From 10V to 400Vac, the EV300 Series can work on a wide range of common voltage systems & supports PT ratio configuration. In addition, In addition, the panel meter can be configured for either 5A or 1A output current transformers and accommodates 50Hz and 60Hz systems.

Revenue grade icon.
Revenue Grade Accuracy

The EV300 Series panel meter meets utility revenue grade accuracy standards, making it a suitable choice for any application that requires exceptional metering accuracy.

Modbus-RTU icon.
Modbus-RTU Communications

The EV300 Series includes a built-in RS485 port designed for Modbus-RTU communication protocol, ensuring easy interoperability between devices within industrial environments.

Bi-directional energy metering icon.
Bi-Directional Energy Metering

Measure the flow of energy in two directions: The EV300 Series panel meter is capable of bi-directional metering, making it ideal for renewable energy applications such as solar or wind.

5A/1A CT input icon.
Field Configurable 5A/1A CT Input

Switch between 1A and 5A current transformers on the fly: The EV300 Series is compatible with industrial current transformers with either a 1A or 5A rated output.

Multiple I/O options icon.
Multiple I/O Options

Configure the EV300 Series with a variety of I/O options. Whether monitoring switch status, providing energy information to a data acquisition server, interfacing with a PLC, or triggering an alarm, there is a I/O combination suited to your application.

EV300 I/O Optional Configurations

BASE METER
E1
E2
E3
E4
Digital Input26666
Digital Output (Pulse)22
Analog Output (4-20mA)22
Relay Output22
Power Supply for DI (24Vdc)11
BASE METER
Digital Input2
E1
Digital Input6
Relay Output2
Power Supply for DI (24Vdc)1
E2
Digital Input6
Digital Output (Pulse)2
Power Supply for DI (24Vdc)1
E3
Digital Input6
Digital Output (Pulse)2
Analog Output (4-20mA)2
E4
Digital Input6
Analog Output (4-20mA)2
Relay Output2

EV300 Accessories

EV300 protective display cover.
Protective Display Cover

The Protective Display Cover is designed for EV300 Series panel meters and other 96mm by 96mm display panel meters. Crucial in harsh environments, it increases the IP environmental rating of a meter's display to IP66 or NEMA 4X.

USB to Serial RS485 coverter.
USB Converter

This professional-grade, plug-and-play USB to Serial RS485 Converter is compliant with both USB 1.1 and 2.0 standards and is designed to provide a convenient, reliable USB connection to the EV300 Series meters and other serial devices.

AcuPanel
AcuPanel

The AcuPanel is a convenient pre-configured, pre-wired solution that is ideal for situations where installation inside an electrical distribution panel is not an option or in harsh environments where additional protection is needed. The factory pre-wiring will greatly save installation time and reduce frustrating wiring errors.

Current Transformers

Current transformers.

High Specification Line of AC Current Transformers. Custom built in-house, our high accuracy industrial split-core and flexible current transformers are among the industry's highest specification CT and offer exceptional value.