Acrel APM521 UL certified energy meter with multiple installation method, more compliant with overseas exports.

1 Overview

The APM521 network power meter (hereinafter referred to as the meter) is designed according to IEC international standards and features full power measurement, power statistics, power quality analysis, event recording, and network communication functions. It is primarily used for comprehensive monitoring of power grid quality. This series of meters is equipped with feature-rich DI/DO and AO modules, enabling flexible full power measurement of electrical circuits and monitoring of switch status.

2 UL certification empowers expansion into international markets.

3 Product Functions and Advantages

Multifunctionality: Supports four-quadrant energy measurement, harmonic analysis, demand statistics, event logging, etc., meeting diverse power monitoring needs.

High Accuracy: Voltage and current measurement error ±0.2%, energy metering meets Class D standards, ensuring data accuracy.

Flexible Installation: Offers multiple installation methods such as embedded and DIN rail mounting to adapt to different scenario requirements.

Safe and Reliable: Certified by UL, CE, etc., compliant with CAT III/CAT II safety standards, featuring overload protection and double insulation design.

Convenient Communication: Supports multiple protocols such as Modbus-RTU and DL/T 645-2007, compatible with RS485 and Ethernet communication, facilitating system integration.

Strong Expandability: Optional DI/DO and AO modules enable switch status monitoring and analog output, meeting customized needs. Suitable for industrial, commercial, and power systems, providing accurate power monitoring solutions.