Guide Rail Single-phase Energy Meter 4P

Hongxin 4P DIN Rail Single Phase Energy Meter is a high-performance metering device specifically developed to meet the needs of China’s power grid transformation, designed for accurate measurement of single-phase active energy at 50Hz/60Hz. Integrating internationally advanced ultra-low power consumption large-scale integrated circuit technology and SMT (Surface Mount Technology) production process, this meter stands out for its exceptional precision, stability and reliability, serving as an advanced and trustworthy solution for modern single-phase power metering.

The meter adopts a 4P wide-body design, compatible with standard DIN rail mounting, making it perfectly suited for integration into distribution cabinets, high-low voltage cabinets and modular electrical systems. Its snap-on rail-mounted structure enables quick and hassle-free installation, while supporting both rail-mounted and wall-mounted deployment to adapt to diverse installation environments—especially ideal for scenarios requiring stable wiring and industrial-grade connectivity, such as engineering distribution systems and large-scale property projects.

Available in two flexible versions to cater to different user needs: the basic version is equipped with RS485 and infrared communication interfaces, supporting local metering, on-site data reading and pulse data collection; the optional 4G LTE universal version adds wireless remote communication capabilities (compatible with China Mobile, China Unicom and China Telecom), enabling real-time data upload, remote meter reading and centralized management via cloud platforms. Both versions fully comply with DL/T645-2007 《Multifunctional Meter Communication Protocol》, Modbus-Rtu protocol and GB/T17215.321-2008 《Class 1 and Class 2 Static AC Active Energy Meters》, and hold CCC certification and metrology certification, meeting State Grid specifications and ensuring compliance with engineering and procurement standards.

Key components are sourced from internationally renowned brands with long service lives, ensuring the meter’s reliable operation even in harsh conditions. It features a clear LCD display (or high-quality counter) for intuitive energy reading, with a red LED pulse indicator for real-time metering status. The meter boasts impressive performance metrics: starting current as low as 0.4%Ib, operating voltage range of 220V±10%, low power consumption (voltage circuit <1.0W/3.0VA, current circuit <1.0VA) and data retention for over 20 years after power failure. Additionally, it incorporates a logical anti-creeping circuit to prevent abnormal power consumption and ensure metering accuracy.

Functionally, the meter offers bidirectional active energy metering (accumulated into total energy) with anti-electricity-theft capability, addressing common metering challenges. It also includes phase sequence reversal indication (for standard models) and an optically isolated passive pulse output interface, facilitating meter calibration and data collection. The RS485 communication interface supports three protocols (DL/T645-97, DL/T645-2007, Modbus-Rtu), customizable upon order to match different system integrations.

Whether used for metering in residential communities, power monitoring in commercial spaces, distribution management in factory workshops or standardized metering in engineering projects, this 4P DIN Rail Single Phase Energy Meter delivers consistent and reliable performance. Backed by strict quality control and comprehensive certifications, it has become the preferred choice for distribution cabinet manufacturers, property management companies, engineering contractors and power supply departments.

Technical Parameters

Functions & Features

Metering Function: Measures forward and reverse active energy, accumulated into total energy; bidirectional metering with anti-electricity-theft capability.

Clear Display: Equipped with high-quality counter or LCD display for intuitive energy reading, featuring bright and vivid visuals for easy data access.

Pulse Indication: Red LED indicator for real-time energy metering status.

Phase Sequence Reversal Indication: Available for standard models to monitor wiring correctness.

Pulse Output Interface: Optically isolated passive pulse output, facilitating meter calibration and pulse data collection.

Multiple Communication Protocols: RS485 interface supports DL/T645-97, DL/T645-2007 and Modbus-Rtu (specify protocol on order).

Optional 4G LTE Communication: Supports wireless remote meter reading, real-time data upload and cloud platform management (compatible with major carriers).

Low Power Consumption: Energy-efficient design reduces long-term operating costs.

Long Data Retention: Stores energy data for over 20 years after power failure, ensuring data integrity.

Anti-Creeping Design: Logical anti-creeping circuit prevents abnormal power consumption and ensures metering accuracy.

Industrial-Grade Reliability: Uses premium long-life components and SMT craftsmanship for stable operation in harsh environments.

Product Applications

The 4P DIN Rail Single Phase Energy Meter is widely applicable to scenarios requiring stable installation, accurate metering and flexible communication, including:

Distribution Cabinet/Box Scenarios: Complete distribution cabinets, high-low voltage cabinets, portable distribution boxes—ideal for integrated metering in industrial-grade electrical systems.

Residential & Property Scenarios: Residential communities, rental properties, urban villages—facilitates household metering, property management and centralized billing.

Commercial Scenarios: Shops, shopping malls, office buildings, commercial complexes—used for metering of lighting, air conditioning, office equipment and other commercial loads.

Industrial Supporting Scenarios: Factory workshops, industrial parks, small machine rooms—monitors power consumption of single-phase production equipment and auxiliary systems.

Engineering & Construction Scenarios: Construction site temporary power supply, rural power grid transformation, old community renovation—complies with engineering standardization and large-scale metering needs.

Public Facility Scenarios: Schools, hospitals, nursing homes, transportation hubs—provides reliable metering solutions for public power management.

Smart Building & Modular Systems: Smart home distribution systems, modular electrical projects—fits into modern intelligent power ecosystems with its rail-mounted and modular design.