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Electricity Meters

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Rail Type Single-phase Energy Meter 2P
Rail Type Single-phase Energy Meter 2P
Rail Type Single-phase Energy Meter 2P
Rail Type Single-phase Energy Meter 2P

Rail Type Single-phase Energy Meter 2P

Hongxin 2P DIN Rail Single Phase Energy Meter (4G LTE Optional) supports 220V, 5(20)A-30(100)A current and Class 1/2 accuracy. With RS485/infrared communication, low power consumption and rail-mounted design, it’s ideal for distribution cabinets, rentals and engineering projects.

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Hongxin 2P DIN Rail Single Phase Energy Meter is a high-performance metering device tailored for China’s power grid transformation, designed to accurately measure single-phase active energy at 50Hz/60Hz. Adopting internationally advanced ultra-low power consumption large-scale integrated circuit technology and SMT production process, this meter combines precision, stability and reliability, making it a cutting-edge solution for modern power metering needs.
The meter features a compact 2P narrow-body design, compatible with 36mm standard DIN rail installation—perfect for integration into distribution cabinets, distribution boxes and modular electrical systems. Its space-saving and snap-on rail-mounted structure enables quick and easy installation, eliminating the hassle of complex wiring and adapting to both rail-mounted and wall-mounted installation methods, which is especially suitable for scenarios with limited space such as compact distribution cabinets and temporary engineering power supply setups.
Available in two versions to meet diverse requirements: the basic version comes with RS485 and infrared communication functions for local metering and on-site data reading, while the optional 4G LTE universal version supports wireless remote meter reading and data transmission (compatible with China Mobile, China Unicom and China Telecom), enabling centralized management via cloud platforms. Both versions comply with DL/T645-2007 《Multifunctional Meter Communication Protocol》, Modbus 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 accurate and compliant metering.
Key components are sourced from internationally renowned brands with long service lives, ensuring the meter’s high reliability and stable operation even in harsh environments. It is equipped with a 5+1 digit wide-temperature LCD display for clear and intuitive energy reading, and optional backlight function for easy operation in low-light conditions. The meter boasts excellent performance indicators: starting current as low as ≤0.004Ib (direct connection), overload capacity up to 30Imax for 0.01s, and internal power consumption ≤2W/10VA, achieving energy-saving operation while maintaining measurement accuracy.
Functional flexibility is another highlight—supporting optional single tariff, multi-tariff and step tariff modes to adapt to different regional billing policies. Additional optional features include manual reset function for flexible management. With built-in anti-electricity-theft design and strong anti-interference capability, the meter effectively prevents abnormal power consumption and ensures stable operation under complex grid conditions.
Whether used for household metering in rental properties, power monitoring in commercial shops, distribution management in factory workshops, or standardized metering in engineering projects, this 2P DIN Rail Single Phase Energy Meter delivers consistent performance. The basic version meets the needs of local metering and small-scale centralized management, while the 4G-enabled upgrade version caters to large-scale projects requiring remote monitoring and centralized control, such as property communities and industrial parks. Backed by strict quality inspections and comprehensive certifications, it has become the preferred choice for distribution cabinet manufacturers, property management companies and engineering contractors.

Rail Type Single-phase Energy Meter 2P supplier Technical Parameters

Reference Voltage (Un) 220V
Operating Voltage 181-279VAC (3~)
Rated Current (Ib) 2.5A, 5A, 10A, 15A, 20A, 30A
Maximum Current (Imax) 10A, 20A, 40A, 60A, 80A, 100A
Starting Current ≤0.004Ib (Direct Connection)
Overload Withstand Current 30Imax for 0.01s
Operating Frequency 50Hz ±10%
Internal Power Consumption ≤2W/10VA
Pulse Constant 1000imp
Communication Protocol DL/T645-2007 or MODBUS (Optional)
Accuracy Class Class 1
Installation Method 36mm Standard DIN Rail Mounted (2P)
Display 5+1 Digit Wide-Temperature LCD; Optional Backlight
Certifications CCC Certification, Metrology Certification
Compliance Standards DL/T645-2007, Modbus, GB/T17215.321-2008
Optional Function 4G LTE Wireless Communication, Step Tariff, Manual Reset

Product Advantages

Space-Saving Rail-Mounted Design: 2P narrow-body structure, compatible with standard DIN rail installation, ideal for compact distribution cabinets and modular systems—saves installation space and enables quick assembly.

High Precision & Reliability: Class 1 accuracy, ultra-low starting current, and high overload capacity; uses premium long-life components to ensure stable operation and accurate metering for years.

Flexible Communication Options: Basic version with RS485/infrared; optional 4G LTE universal communication for wireless remote management, adapting to both local and remote monitoring needs.

Low Power Consumption & Energy Efficiency: Internal power consumption ≤2W/10VA, achieving energy-saving operation and reducing long-term usage costs.

Strong Compliance & Trustworthiness: Complies with national standards and State Grid specifications; holds CCC and metrology certifications, suitable for engineering bids and bulk property purchases.

Functional Versatility: Supports optional single/multi-tariff, step tariff and manual reset functions, adapting to diverse billing and management requirements.

Anti-Interference & Safety: Built-in anti-electricity-theft design and strong anti-interference capability, ensuring stable performance under complex grid conditions.

Easy Operation: Wide-temperature LCD display (optional backlight) for clear data reading; simple wiring and installation reduce deployment time and labor costs.

Product Applications

The 2P DIN Rail Single Phase Energy Meter is widely used in scenarios requiring space-saving, accurate metering and flexible installation, including:

Distribution Cabinet/Box Scenarios: Complete distribution cabinets, portable distribution boxes, modular electrical systems—ideal for integrated metering in electrical equipment.

Residential & Rental Scenarios: Rental properties, apartments, urban villages—facilitates household metering and property management.

Commercial Scenarios: Shops, small supermarkets, office buildings—used for metering of lighting, air conditioning and other commercial electrical equipment.

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

Engineering & Construction Scenarios: Temporary construction power supply, rural power grid transformation, old community renovation—complies with engineering standardization requirements.

Property & Facility Scenarios: Property-managed communities, campus dormitories, nursing homes—enables centralized metering and efficient power management.

Smart Home & Small-Scale Power Supply: Smart home distribution systems, small commercial spaces—fits into modern intelligent power management ecosystems.

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