Three-phase Prepaid Energy Meter with GPRS
BY300 Ultrasonic Welding
BY300 Three Phase Smart Prepaid Energy Meter with GPRS from BUYI Technology provides a cost-effective solution for prepaid metering solutions. Robust, reliable, modern and equipped with innovative features.
BY300 Three Phase Smart Prepayment Energy Meter takes 20-digit STS TOKEN as the recharge medium. The data is transmitted using a 20-digit numeric code as per international encryption protocol STS (Standardized Transfer Specification) or Currency Transfer Specification (CTS), which enabling them to automatically shut off the customer’s power supply in the event of fraudulent manipulation (opening of the terminal cover, etc.) and exceeding of power.
It offers high security features including main and terminal cover removal detection and magnetic field manipulation detection protect the meter and module from fraud or tampering.
The BY300 has the option of serial and optical IEC 62056-21 communications, which allows the meter registers and security data to be read electronically from a laptop or hand-held device, greatly reducing the possibility of manual meter reading errors.
It’s flexible between post payment mode and prepayment mode, and it offers Customer Interface Unit (CIU) as an optional device.
The BY300 includes all the high functionality: four-quadrant metering; active, reactive, and apparent energy and demand measurements; standard event logs and time-of-use metering; LCD with backlight provides a flexible interface to the user for displaying meter data; and non-volatile memory for both billed and non-billed interval data.
Meter are compliant to IEC 62055-31, having an ingress protection of IP54 to IEC 60529 and comply with EMC standard IEC 50081-1.
Main Functions:
- High accuracy and stability
- 4-Quadrant measurement (+P, -P, +Q, -Q, Q1…Q4)
- Active, reactive and apparent energy measurement
- Extensive security data
- Internal relay for load management
- DIN double insulated, glass filled polycarbonate case
- Switchable between prepayment (STS or CTS) and postpaid mode
- IP54 in accordance with IEC 60529:1989
- IEC 62056-21 optical communications and serial communications
- Customer Interface Unit (CIU) is offered as per request
- Maximum demand, Voltage and current instrumentation values registration
Technical Specification
| Item | Description | Item | Description |
| Network | 3 Phase 4 Wires network | Starting current | Ist=0.4%Ib |
| Nominative standard | IEC 62052-11, IEC 62053-21
IEC 62053-23, IEC 62055-31 IEC 62055-41, IEC 62055-51 IEC 62055-52, IEC 62056-21 |
Reference frequency | 50/60Hz +/- 5% |
| Accuracy class | Class 1.0 as per IEC 62053-21
Class 2.0 as per IEC 62053-23 |
Power consumption | Voltage circuit <1W, <2.5VA
Current circuit < 0.25VA @ Imax |
| Reference voltage | Un=3×22-240/380-415V, L-N | Temperature | Operation: -40º to + 55º C
Storage: -40º to + 85º C |
| Operating voltage | Range 70%-120%Un | Enclosure | IP54 IEC 60529:1989 |
| Basic current | Ib=5A, 10A | Communication | Local: Optical, RS-485, MC171
CIU: RF, PLC, Wired Remote: PLC, GPRS, 4G, RS485 |
| Maximum current | Imax=100A, 120A | External box open detection | Yes |
Three-phase prepaid energy meter drawing
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