Three Phase Four Wire Meter Direct Connection Feature
Accurate metering: Using advanced metering technology, it can accurately measure the active energy of three-phase circuits.
Simple direct connection: Direct access is adopted, no transformer transfer is required, and the wiring process is simplified.
Stable and reliable: It has excellent anti-interference ability and can resist interference from complex power consumption environments.
Diverse functions: In addition to basic metering, it also meets the needs of diversified power management and helps to manage power efficiently.
| Type | A17-VY |
| Voltage | |
| Nominal voltage Un | 3x277/480VAC |
| Voltage range | 0.8-1.15Un |
| Frequency | |
| Nominal frequency fn | 60 Hz |
| Frequency range | 0.98-1.02fn |
| Current | |
| Reference current Irer=Ib=10Ir | 5A |
| Maximum current Imax | 65A |
| Minimum current Imin | 0.25 A |
| Starting current Ist | 0.004I |
| Accuracy | |
| Active | Class B in compliance with DIN EN 50470-1/3 Class 1.0 in compliance with IEC62053-21 |
| Reactive | Class 2.0 in compliance with IEC62053-23 |
| Measuring Energy | |
| Two energy directions | +A/-A,+R/-R, |
| Reverse locking | +A,+R, |
| Meter constant | |
| LED-Output | 1000 imp/kWh,1000 imp/kvarh |
| Display | |
| LCD | 7 digit |
| Life cycle | >12 years |
| RS485-Data Interface | |
| Connector | Two screws type |
| Parameter | 9600/19200/38400 bps,8E1/8N1/8O1(parameters adjustable) |
| Communication protocol | Modbus RTU |
| Power Consumption | |
| Voltage circuit | <2W/10VA at Un |
| Current circuit | <4VA at Ib |
| Temperature Range &Humidity | |
| Typical Operation | -30℃ to+70℃ |
| Storage | -40℃ to+85℃ |
WHY CHOOSE US
Comprehensive access qualifications: holding multiple certificates such as CE, MID, UL, OIML, etc., meeting the access requirements of different regions.
Leading technology layout: becoming a member of the International LoRa Alliance in 2017, leading the layout of IoT technology.
FAQ
What power range of electricity usage scenarios is this three-phase four-wire meter suitable for?
It is mainly suitable for small and medium power three-phase four-wire circuits. For details, please refer to the current specifications in the product parameters.
What standard can the metering accuracy of the meter reach?
The meter adopts advanced metering technology and meets high-level accuracy standards.
Can the meter work normally in an environment with unstable voltage?
It has excellent anti-interference ability, can adapt to wide voltage changes, and can operate stably in complex power usage environments with unstable voltage, ensuring the normal operation of metering work.
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