This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Issue: ENVT in Compact NSX.
Environment: Compact NSX.
Resolution: This connection is required for accurate power measurements on 3-pole circuit breakers equipped with Micrologic 5 / 6 E trip units in installations with a distributed neutral. It can be used to measure phase-neutral voltages and calculate power using the 3-wattmeter method.
The phase to neutral voltage is always available for 4 poles circuit breakers, while for 3 poles circuit breakers, the connection of the Micrologic 5 / 6 E to the neutral using ENVT is a must. This is to guarantee the accuracy for the active power measurement.
Compact NSX 3-pole circuit breakers come with a wire installed on the device for the connection to the ENVT.
Environment: Compact NSX.
Resolution: This connection is required for accurate power measurements on 3-pole circuit breakers equipped with Micrologic 5 / 6 E trip units in installations with a distributed neutral. It can be used to measure phase-neutral voltages and calculate power using the 3-wattmeter method.
The phase to neutral voltage is always available for 4 poles circuit breakers, while for 3 poles circuit breakers, the connection of the Micrologic 5 / 6 E to the neutral using ENVT is a must. This is to guarantee the accuracy for the active power measurement.
Compact NSX 3-pole circuit breakers come with a wire installed on the device for the connection to the ENVT.
Released for: Schneider Electric Egypt and North East Africa
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