The GY500 series power meter is a panel-mounted metering range for single-phase and three-phase electrical measurement. It covers LED and LCD display versions for current, voltage, and multifunction power monitoring, with optional communication and I/O functions for distribution panels and automation systems.
Product Range
| Display type | Meter type | Typical applications |
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| LED digital display | Three-phase current meter | Current monitoring in three-phase circuits |
| LED digital display | Three-phase voltage meter | Voltage monitoring in three-phase circuits |
| LED digital display | Three-phase multifunction meter | Combined electrical parameter monitoring |
| LED digital display | Single-phase multifunction meter | Single-phase electrical parameter monitoring |
| LCD display | Three-phase current meter | Current monitoring with LCD readout |
| LCD display | Three-phase voltage meter | Voltage monitoring with LCD readout |
| LCD display | Three-phase multifunction meter | Three-phase multifunction monitoring with LCD readout |
| LCD display | Single-phase multifunction meter | Single-phase multifunction monitoring with LCD readout |
Signal Input
| Wiring mode | Three-phase four-wire / three-phase three-wire |
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| Rated current input | AC 1 A / AC 5 A |
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| Rated voltage input | AC 57.7 V, AC 100 V, AC 220 V, AC 380 V |
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| Frequency | 45-65 Hz |
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| Voltage overload capability | 1.2 times continuous; 2 times for 1 second instantaneous |
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| Current overload capability | 1.2 times continuous; 10 times for 5 seconds instantaneous |
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| Power consumption | Voltage: <1 VA per phase; current: <0.4 VA per phase |
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Measurement and Optional Functions
- Measurement options include voltage, current, active power, reactive power, power factor, frequency, active energy, and reactive energy.
- Function options include basic electrical parameter measurement, multi-rate measurement, harmonic measurement, or combined multi-rate and harmonic functions.
- Optional RS485 communication port with Modbus-RTU protocol, 1200-38400 bps baud rate, and 9600 bps factory default.
- Optional passive dry-contact switching input.
- Optional switching output rated AC 250 V / 5 A or DC 30 V / 5 A.
- Optional analog output such as 0-10 VDC, 0-20 mA, or 4-20 mA.
Technical Parameters
| Voltage accuracy | 0.5 class |
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| Current accuracy | 0.5 class |
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| Active power accuracy | 1.0 class |
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| Reactive power accuracy | 1.0 class |
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| Power factor accuracy | 1.0 class |
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| Frequency accuracy | +/-0.2 Hz |
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| Active energy accuracy | 1.0 class |
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| Reactive energy accuracy | 2.0 class |
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| Auxiliary power | AC 220 V standard; AC 85-265 V / DC 100-300 V customized |
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| Auxiliary power consumption | <4 VA |
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| Working temperature | -10°C to +55°C |
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| Storage temperature | -25°C to +70°C |
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| Relative humidity | <93%, non-corrosive gas environment |
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| Altitude | <2500 m |
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| Insulation resistance | >100 Mohm |
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| AC withstand voltage | AC 2 kV |
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| EMC performance | Electrostatic discharge class 4; electrical fast transient/burst class 4; surge class 4 |
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Model Selection
The model-selection chart explains panel size codes, display type, measurement function code, switching input, switching output, and analog output options for configuring GY500 series meters.
