Easy Install Single Phase Energy Meter DIN Rail Clip for Quick Setup

Quick Detail:

1.kWh meter，digital meter
2.It can directly and accurately measure the load active energy consumption in the sin gle phase AC networks of rated frequency 50Hz or 60Hz

Description:

DM25SA: The Advanced Single-Phase DIN-Rail Energy Meter with Modbus-RTU Communication for Intelligent Energy Management

In the rapidly evolving landscape of industrial automation, smart buildings, and data-driven facility management, the ability to not only measure but also communicate energy data is paramount. The DM25SA Single-Phase DIN-Rail Energy Meter stands at the intersection of precise metrology and digital connectivity, offering a sophisticated solution for modern energy monitoring needs. Building upon the robust foundation of its predecessor, the DM25SA integrates a critical new feature—customizable Modbus-RTU communication—transforming it from a simple measurement device into a vital node in an intelligent energy management ecosystem. This meter is engineered for applications where understanding real-time power consumption, facilitating automated control, and conducting detailed energy audits are essential for operational efficiency and cost reduction.

Compact Form Factor with Universal Compatibility

The DM25SA is a masterpiece of space-efficient design, boasting a slim profile of just 18mm (one module) in width. This ultra-compact footprint allows for high-density installation on standard DIN rails, maximizing the use of valuable space within electrical enclosures, distribution boards, and control panels. Its compliance with the DIN EN50022 standard ensures seamless integration alongside other industrial components such as circuit breakers, contactors, and programmable logic controllers (PLCs). The direct connection mode further simplifies installation, enabling quick and cost-effective deployment into standard single-phase AC systems without the need for external current transformers within its specified range, making it an ideal choice for both new installations and system upgrades.

Advanced Data Presentation and Measurement Precision

At the front end, the DM25SA features a clear and comprehensive 6+1 digit LCD display. This enhanced display provides superior readability and offers more detailed information compared to standard counters. The six main digits display the cumulative energy consumption in kilowatt-hours (kWh) with high resolution, while the additional digit allows for precise reading of decimal fractions, ensuring accurate tracking even of minimal load variations. The heart of its measurement accuracy lies in its high-precision metering core, characterized by a meter constant of 2000 impulses per kWh (imp/kWh). This constant serves a dual purpose: it is fundamental to the internal calibration of the meter, guaranteeing its accuracy in accordance with stringent standards, and it provides a visual or pulsed output for external verification and testing purposes.

The Gateway to Intelligence: Modbus-RTU Communication

The most significant differentiator of the DM25SA is its integrated Modbus-RTU communication interface. This feature elevates the meter from a local display unit to a powerful data acquisition device. As a customized option, this RS-485 based protocol allows the meter to be seamlessly connected to a wide array of supervisory systems, including:

• Supervisory Control and Data Acquisition (SCADA) Systems
• Programmable Logic Controllers (PLCs)
• Building Management Systems (BMS)
• Centralized Energy Management Software

Once integrated, the DM25SA can transmit real-time data parameters such as voltage, current, active power, and cumulative energy consumption. This enables remote monitoring from a central dashboard, historical data logging for trend analysis, automated report generation, and the setting of consumption alarms to alert operators of abnormal usage patterns, thereby enabling predictive maintenance and immediate corrective actions.

Robust Electrical Performance for Diverse Applications

Engineered for versatility and reliability, the DM25SA supports common voltage levels of 110VAC and 220VAC at a frequency of 50-60Hz, making it suitable for global deployment. It is available in multiple current specifications—5(20)A, 5(30)A, and 5(40)A—allowing it to be precisely matched to the load profile of a specific circuit. This flexibility ensures accurate measurement across a broad spectrum of applications, from monitoring individual machines and tenant sub-metering in commercial buildings to tracking the energy consumption of entire small to medium-sized facilities.

Built for Reliability in Demanding Environments

Constructed to perform in challenging conditions, the DM25SA operates reliably within a wide temperature range of -25°C to +55℃. This ensures stable and accurate performance in the heat generated within a closed electrical panel or the cold of an unheated industrial facility. Its design and manufacturing comply with the international IEC 60253-21 standard, providing assurance of its safety, electrical robustness, and endurance against environmental factors such as humidity.

Conclusion: The Core of a Connected Energy Strategy

The DM25SA Single-Phase DIN-Rail Energy Meter is more than just a measurement device; it is an enabler of intelligence and efficiency. By combining a compact, easy-to-install design with high accuracy, a clear LCD display, and the powerful capability of Modbus-RTU communication, it provides a future-proof solution for a wide range of energy monitoring applications. For system integrators, facility managers, and industrial engineers, the DM25SA offers the critical data transparency needed to optimize energy usage, reduce operational costs, and build smarter, more responsive electrical infrastructures.