3-phase energy meter with Modbus DEC-3MOD CT 004804055

Three-phase energy meter with Modbus interface

This advanced three-phase electricity meter, model DEC-3MOD CT, is designed for precise measurement of energy consumption in installations with a voltage of 230/400V. The device combines functionality, reliability and the ability to remotely read data thanks to the Modbus RTU communication interface. It is an ideal solution for both professional installers and end users who want to monitor and optimize energy consumption.

Construction and application

The DEC-3MOD CT meter is an electronic device mounted on a TH35 rail, occupying 7 modules. Designed for indirect or semi-indirect measurement, it requires cooperation with current transformers (CT) with a primary current range of 5 to 6000A and a secondary current of 5A. This makes it versatile and can be used in a wide range of applications – from households to industrial facilities. It uses a four-wire connection and offers precise measurement of active power. Current consumption is indicated by LEDs for each phase (L1, L2, L3).

Functionality and benefits

• Modbus RTU communication: Enables integration of the meter with building automation systems (BMS) and remote data reading via the RS-485 serial port. This is key to effective energy management and consumption analysis.
• S0 pulse output: Allows easy connection of the meter to external systems, such as alarm systems or data logging devices. The pulse constant depends on the current transformer used.
• Tamper-proof meter: Ensures the integrity of measurement data and protects against manipulation.
• Accuracy class B: Guarantees precise energy consumption measurements, which is important for billing and cost optimization.
• Wide measurement range: Thanks to the ability to cooperate with various current transformers, the meter can be used in installations with different loads – from 1.5A to 5A (rated and maximum current, respectively).
• Compact dimensions: A width of 7 modules makes it easy to install in electrical panels with limited space.
• Compliance with national standards: The device meets the requirements for admission to use in Poland (non-certified).

This meter not only measures energy consumption, but also provides valuable data for analysis and optimization of power consumption, which translates into real financial savings and improved energy efficiency of the building or industrial plant. It is a solid solution for both new installations and modernization of existing measurement systems.