ICP DAS PM-3133i isolated, three-phase smart power meter

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ICP DAS has released the PM-3133i — a powerful, isolated, three-phase smart power meter that provides access to real-time electric usage for three-phase power measurement. With its high accuracy (<0.5%, PF=1), the series can be applied to both the low-voltage primary side and/or medium/high-voltage secondary side and enables users to obtain energy consumption readings from the monitored equipment in real time under operation.

The compact power meter is equipped with wired clip-on CT (various types, support input current up to 400 A). It operates over a wide input voltages range of 10–600 VAC, which allows worldwide compatibility. Built-in AC isolator protection means total isolation between the AC measurement side and the control side.

It is recommended that the CT and reference voltage of the meter be installed on the primary side of the AC filter with an EMI ferrite core to minimise the interference effects of the inverter.