Din Rail Energy Meter 350 ADW300 V1.4

ADW300 Din Rail Energy Meter – Wireless Smart Metering for Modern Power Monitoring

The ADW300 is a compact, high-precision wireless metering solution designed to monitor three-phase active energy in low-voltage networks. Developed by Acrel, this meter offers multi-protocol communication (RS485, LoRa, NB-IoT, 4G, Wi-Fi) and advanced electrical performance tracking. With support for external current transformers and multi-load configuration, the ADW300 is ideal for distribution boxes in industrial, commercial, and building energy monitoring applications.

Key Features

• Three-phase energy monitoring: Active, Reactive, and Apparent Power
• Wireless support: LoRa, NB-IoT, 4G, Wi-Fi, RS485, and Infrared
• Measures U, I, P, Q, S, PF, Frequency, Harmonics (2nd–31st)
• Compact DIN rail design for easy installation in electrical panels
• Supports temperature and residual current monitoring
• LCD display with pulse output and alarm indicators
• Supports 4 Digital Inputs (DI) and 2 Digital Outputs (DO)
• Modbus RTU protocol for seamless BMS integration

Advanced Metering Functions

• Historical Data Storage: Logs 12 months of energy usage
• Tiered Pricing: Time-of-use energy cost tracking with up to 4 time zones
• Alarm System: Configurable alerts for over/undervoltage, over/undercurrent, imbalance, temperature, and more
• Demand Monitoring: Records maximum demand and sliding demand values
• Extensive Register Mapping: With full Modbus address space for granular power quality analysis

Specifications

Applications

• Industrial and Commercial Power Distribution Panels
• Building Management Systems (BMS)
• Smart Grid and Utility Monitoring
• Sub-metering for Multi-Tenant Buildings
• Energy Auditing and Demand Analysis

Installation Notes

Supports 3-phase 4-wire and 3-phase 3-wire configurations with CT/PT or Rogowski coils. Avoid grounding the meter’s current wiring. Keep external CTs away from ADW transformers by more than 30cm to avoid magnetic interference. For advanced configurations like residual current, DO logic, or alarm triggers, detailed Modbus register mapping is available for custom integration.

Precision Power Monitoring. Wireless Freedom.

Monitor, control, and optimize your power usage with TerraQ’s ADW300 Wireless Energy Meter. Designed for the modern energy landscape, it offers unmatched flexibility, real-time data, and deep electrical insights—all in a compact DIN rail form factor.