Centralized prepaid multi-user electricity meter

1、 Main functions

Prepaid, remote meter reading, remote control, overload protection, timed power outage function, malignant load identification.

2、 Main features

◆ Prepaid function: It can realize the management of prepaid function and electricity sales records, and pay first before using electricity.

◆ Power off function for overdue payments: When the prepaid electricity is less than the set value, an automatic alarm will be triggered. Automatically cut off the user's power supply when overdue.

◆ Overload protection function: When the user exceeds the set load, the user automatically loses power protection.

Remote control of power interruption and transmission: The system automatically controls the power supply of users who owe bills, improving the rate of electricity bill recovery.

◆ Overload power outage automatic recovery: Due to overload protection, after power outage, within the specified number of power outages (0-3 times), if the user's power usage is restored to the allowable range, the system can automatically restore power supply.

◆ Scheduled power outage: 12 scheduled time periods can be set for convenient management of electricity usage in apartments and dormitories.

◆ Support dual circuit control: using dual circuit power supply. One route is used for lighting, while the other route supplies high-power electrical equipment such as air conditioning and water dispensers. One of the paths for lighting can be limited in current and identify malignant loads. (Same for single household three circuit control)

◆ Safe electricity management: equipped with load recognition function. By monitoring the comprehensive parameters of users' instant access devices, the access of malicious load devices can be restricted, effectively achieving safe electricity management.

3、 Technical parameters

Working voltage: AC160-260V

Accuracy level: 1.0 level

Calibration current: 1.5 (6) A, 10 (40) A, 15 (60A), 20 (80) A

◆ Starting current: 0.005Ib

◆ Unit type: 36 single-phase users or 12 three-phase users

Each household's own power consumption: ≤ 0.5w

◆ Operating environment temperature: -30 ℃~50 ℃

4、 Management style

◆ Online communication method:

RS485 dedicated line method: RS485 dedicated line method can be used to achieve remote management of various energy consumption data for users.

LAN mode: Utilizing the customer's intranet mode to achieve remote data transmission based on TCP/IP protocol and remote management of various energy consumption data.

◆ Wireless communication method:

Infrared handheld terminal method: By using an infrared handheld terminal to retrieve remaining or usage data and pre-sale electricity,electricity meterData and information can be uploaded to the computer and managed by the management computer.

RF card method: Prepaid electronic control function can be achieved through card swiping terminals and readers, and managed through a management computer.