Single Phase Electronic Remote Prepaid (4G)

Hongxin DDSY2377 Single-Phase Electronic Remote Prepaid Energy Meter (4G Version) is a high-performance intelligent power metering device engineered for modern power management needs. Adopting advanced dedicated integrated circuit design and full automatic SMT production technology, the meter is built with components selected for wide environmental tolerance, ensuring long-term stable operation, high accuracy, strong overload capacity and low power consumption. As a core upgrade to traditional prepaid meters, it integrates 4G LTE universal communication technology with intelligent prepaid functionality, redefining convenience and efficiency in power metering and management.
Fully compliant with GB/T17215.321-2021 《Class 1 and Class 2 Static AC Active Energy Meters》 and GB/T18460.3-2001 《IC Card Prepaid Electricity Vending System - Part 3: Prepaid Energy Meters》, the product holds CCC Certification and Metrology Certification, meeting State Grid specifications for reliability and accuracy. It supports a rated voltage of 220V and a wide range of rated current options (5(20)A, 10(40)A, 15(60)A, 20(80)A, 30(100)A) with Class 1/Class 2 accuracy, compatible with both direct-connected and transformer-connected installation methods to fit diverse application scenarios.
The 4G LTE universal communication module (compatible with China Mobile, China Unicom and China Telecom) enables seamless wireless data transmission, eliminating the need for wiring and reducing deployment costs. Users can remotely manage the meter via cloud platform, mobile APP, WeChat or Alipay, realizing functions such as remote recharge, real-time meter reading, remote power on/off control and data monitoring. The built-in latching relay ensures reliable load control, automatically cutting off power when remaining electricity is zero or overload occurs, and sending alerts for low balance to prompt timely recharge.
Equipped with a high-brightness LED backlit LCD display, the meter provides clear data reading even in low-light environments. It supports 8 time periods and 4 sets of step tariff plans, as well as optional single/multi-tariff modes, adapting to various billing policies. The meter can store historical electricity data for the past 3 months and allows setting of automatic meter reading dates. Additional features include broadcast time calibration (via RS485 or infrared without hardware/software restrictions), maximum load setting with overload tripping and recording, mandatory power cutoff by the master station, and low battery alarm.
With Modbus protocol compatibility and infrared on-site management via handheld terminals, the meter offers flexible operation and maintenance options. Its anti-electricity-theft design and overload protection ensure safe and accurate metering, making it an ideal choice for property management, engineering projects and centralized power control. Whether in residential communities, rental properties, commercial spaces or industrial dormitories, this 4G remote prepaid meter delivers efficient, intelligent and worry-free power management solutions.
Product Advantages
4G Universal Connectivity: Supports 4G LTE (China Mobile/Unicom/Telecom), enabling stable wireless communication without wiring, suitable for complex installation environments.
Full-Range Remote Management: Realizes remote recharge (WeChat/Alipay/APP), meter reading, power control and data monitoring via cloud platform, saving labor costs.
High Compliance & Reliability: Complies with national standards and State Grid specifications; holds CCC and Metrology Certifications. SMT craftsmanship and high-quality components ensure long service life.
Flexible Billing Options: Supports 4 step tariff plans (8 time periods), single/multi-tariff modes, adapting to diverse regional billing requirements.
Comprehensive Protection & Alerts: Features overload protection, anti-electricity-theft, low-balance alarm and low-battery indication, ensuring safe and reliable operation.
Easy Installation & Operation: Compact design for wall-mounted/DIN rail installation; backlit LCD for clear reading; supports infrared on-site setting and broadcast time calibration.
Data Storage & Traceability: Stores 3-month historical electricity data, facilitating energy analysis and management for users and property managers.
Functions & Features
Class B measurement of active energy;
Remote switching on/off control;
Communication methods: 4G LTE (optional PLC or wireless) + RS485;
Complies with DL/T645-2007 communication protocol;
Step prepaid function: 8 time periods, 4 sets of step plans;
Electricity data storage: Saves historical electricity data for the past 3 months; configurable automatic meter reading date;
Handheld terminal infrared on-site setting and management;
High-brightness LED backlit LCD display (wide temperature range adaptation);
Broadcast time calibration: No restrictions from hardware programming switches or software passwords; date and time setting via RS485 or infrared;
Configurable maximum power load (centralized or individual setting); overload tripping and recording;
Power cutoff when remaining electricity is zero and mandatory power cutoff by the master station;
Unconditional power supply/ cutoff by the power department (usable as a regular remote control energy meter);
Low battery alarm indication;
4×4 step tariff options;
Optional single tariff or multi-tariff mode.
Product Applications
The Single-Phase 4G Remote Prepaid Energy Meter is widely applicable to scenarios requiring centralized management, convenient payment and accurate metering, including:
Residential & Rental Scenarios: Residential communities, apartments, rental properties; ideal for household energy metering and remote recharge management.
Commercial Scenarios: Shops, office buildings, commercial complexes, hotels; suitable for metering and billing of lighting, air conditioning and other commercial equipment.
Industrial & Institutional Scenarios: Factory dormitories, industrial parks, schools (dormitories/teaching buildings), hospitals; meets centralized power management needs for groups.
Transformation & Engineering Projects: Rural power grid transformation, old community renovation, urban village reconstruction; compliant with engineering project standards for standardized metering.
Property Management: Property-managed communities, residential complexes; facilitates centralized meter reading, recharge management and arrears control.
Campus & Public Facilities: University campuses, nursing homes, transportation hubs; provides efficient and reliable power metering and management solutions.