Sturdy Plastic Housing Energy Meter Mechanical Counter for Multi-Tenant Buildings
| Place of Origin | China |
| Brand Name | DAQCN |
| Model Number | DM25S |
| Certification | CE, ROHS, IEC, TUV,ISO9001 |
| Packaging Details | Standard corrugated carton or customized as you requested |
| Delivery Time | 1-2weeks depend on your quantity |
- Overview
- Recommended Products

Quick Detail:
1. electricity meter,single phase meter
2. accurate and directly measure 50H2 or 6OH2 active energy consumption from single phase AC electricity net, it can display total energy consumption by step motor type impulse register
| Model | Accuracy |
Reference Voltage(V) |
Current specifications(A) |
Starting current(A) |
Insulation performance |
| DM25S | Class 1 |
127V 230V |
5(30),5(32) | 0.02 | AC voltage 4kv for 1 minute,1.2/50us waveform impulse voltage 6kv |
Description:
DM25S Single-Phase DIN-Rail Energy Meter: Precision Power Monitoring for Modern Electrical Systems
In an era defined by energy efficiency, cost management, and operational transparency, the ability to accurately monitor electrical consumption is not just an advantage—it is a necessity. The DM25S Single-Phase DIN-Rail Energy Meter emerges as a pivotal solution for this demand, offering a compact, robust, and highly reliable method for measuring active energy in residential, commercial, and industrial applications. Engineered to integrate seamlessly into modern electrical distribution systems, this meter provides stakeholders—from facility managers and utility companies to factory engineers and building owners—with the critical data needed to optimize power usage, allocate costs fairly, and identify inefficiencies. Its design philosophy centers on delivering core functionality with unwavering accuracy, all packaged within a universally compatible form factor.
Compact Design and Universal Installation
A primary strength of the DM25S lies in its space-efficient and standardized physical design. With a width of just 18mm (one module), it represents an incredibly compact footprint within an electrical enclosure. This slim profile allows for high-density installations on a standard DIN rail, maximizing the use of valuable panel space. The meter adheres to the DIN EN50022 standard for mounting, ensuring instant compatibility with a global ecosystem of electrical components such as circuit breakers, contactors, and other control devices. This plug-and-play installation capability significantly reduces assembly time and complexity, making it an ideal choice for both new construction and retrofit projects. The direct connection mode further simplifies the wiring process, allowing for quick and straightforward integration into existing single-phase electrical systems without the need for additional current transformers in its specified range.
Versatile Electrical Compatibility and Robust Performance
The DM25S is built to perform under a wide range of common electrical conditions, making it a versatile tool for international markets. It supports standard operating voltages of 110VAC and 220VAC at a frequency of 50-60Hz, covering the predominant power supply standards across the globe. Its current specification is particularly noteworthy, offering multiple models rated at 5(20)A, 5(30)A, and 5(40)A. This range indicates a base current of 5A with maximum currents of 20A, 30A, and 40A respectively, allowing specifiers to select a model perfectly matched to the load profile of the circuit being monitored—from a small apartment or retail unit to a larger workshop or a dedicated industrial machine. This flexibility ensures accurate measurement across varying load conditions without over-specifying the equipment.
Clear Data Visualization and Calibration Precision
At the heart of the DM25S is its user-centric interface, designed for clarity and ease of use. The meter features a clear 5+1 digit counter display. This configuration typically shows five primary digits for the whole units of energy consumption (in kWh) and one smaller digit for the decimal fraction, providing a precise and comprehensive readout. This allows users to track energy usage with high resolution, essential for detailed monitoring and verification. The meter's accuracy is defined by its meter constant of 2000 impulses per kWh (imp/kWh). This constant means that for every kilowatt-hour of energy consumed, the meter's internal indicator (often an LED) will flash 2000 times. This feature is crucial not only for user verification of power flow but also serves as a standard reference point for the calibration and testing of the meter itself, ensuring it meets its specified accuracy class as per relevant standards.
Engineered for Reliability and Compliance
Constructed to endure the demanding environments of electrical panels, the DM25S operates reliably within a wide temperature range of -25°C to +55°C. This ensures stable performance in both the heat generated within a closed panel and the chill of an unheated utility room or warehouse, guaranteeing year-round accuracy. Furthermore, the meter is designed and tested in compliance with the IEC 60253-21 standard, a key international benchmark for panel-mounted energy meters. This compliance provides assurance of its safety, electrical performance, and durability, including resistance to environmental factors like humidity. While the base model specified does not include a communication port ("/"), its design focuses on delivering fundamental, high-integrity energy measurement, forming a solid foundation for energy management strategies.
Conclusion: The Cornerstone of Informed Energy Management
The DM25S Single-Phase DIN-Rail Energy Meter is a testament to the principle that effective monitoring is the first step toward meaningful management. By combining a compact, DIN-rail compatible design with versatile electrical ratings, a clear display, and robust construction, it offers an indispensable tool for a wide array of applications. It empowers users to move from estimating energy costs to knowing them with certainty, providing the data foundation required for energy conservation, predictive maintenance, and accurate cost allocation. For system integrators, electrical contractors, and facility managers seeking a no-fuss, highly reliable, and cost-effective energy metering solution, the DM25S stands as a trusted and essential component in any modern electrical installation.