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Can I use the WNA-1P-240 models to measure 220 – 240 VAC circuits?

April 26, 2017circuits measure models VAC

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Can I use the WNA-1P-240 models to measure 220 – 240 VAC circuits?

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Only if the nominal line-to-neutral voltage is 100 – 120 VAC. The power supply in the WNA-1P-240 models is designed for a maximum of 144 VAC. Connecting 230 VAC between the Neutral and Phase A terminals will destroy the WattNode’s power supply. See the application note Measuring 230 VAC Circuits for more information.