Measurements and energy
Displays three-phase voltage, current, power, power factor and frequency, and tracks bidirectional energy. Tariff, statistics and harmonic features depend on the variant and firmware.
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APM SERIES
APM-480
Intelligent power meter
Measures three-phase electrical parameters and energy at the distribution panel.
Product features
I/O and communications
Four digital inputs, two digital outputs and RS485 / Modbus RTU for integration with a distribution monitoring network.
Mounting and supply
96 × 96 mm front panel, 90 × 90 mm cutout and 5 VA consumption. Auxiliary supply: 65–460 V AC or 80–615 V DC.
Product test reports
- Inspection report PDF · 1.9 MB
Where it fits and why
Choose APM-480 for time-of-use metering or an LCD. Compare APM-480E when harmonic analysis is required.
Variant comparison
APM-480
For LV incomers and key metering circuits. LCD, three-phase quantities, active/reactive energy and time-of-use metering.
APM-480E
Adds total and individual harmonic analysis. Confirm harmonic range for the installed firmware.
√ Included · ● Optional · — Not listed
| Function | APM-480E | APM-480 |
|---|---|---|
| Phase voltage | √ | √ |
| Line voltage | √ | √ |
| Current | √ | √ |
| Active power | √ | √ |
| Reactive power | √ | √ |
| Apparent power | √ | √ |
| Power factor | √ | √ |
| Frequency | √ | √ |
| Active energy | √ | √ |
| Reactive energy | √ | √ |
| Time-of-use energy | √ | √ |
| Accuracy (%): I, U / Ep | 0.2/0.5S | 0.5/1.0 |
| Digital inputs | 4 | 4 |
| Digital outputs | 2 | 2 |
| Total harmonic distortion | √ | — |
| Individual harmonic distortion | √ | — |
| RS485 communications | √ | √ |
| Display | LCD | LCD |
Drawing and panel checks
- 96 × 96 mm front, 90 × 90 mm cutout. Supply: 65–460 V AC / 80–615 V DC, 5 VA.
- Verify measurement voltage, 1 A / 5 A CT secondary, 4 DI / 2 DO terminals and RS485 address. Confirm the configuration on the order sheet.
