For Easergy P3U protection relays, If the auxiliary supply voltage is 220 VDC; can I choose the threshold voltage of the DI (digital inputs) to be 24VDC ?Can I choose any value less than the 220 VDC either 24 or 110 VDC?

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For Easergy P3U protection relays, If the auxiliary supply voltage is 220 VDC; can I choose the threshold voltage of the DI (digital inputs) to be 24VDC ?Can I choose any value less than the 220 VDC either 24 or 110 VDC?

Issue:
Customer selected DI card with threshold voltage 24VC while his auxiliary supply is 220VDC.

Environment:
Easergy P3U inputs

Resolution:

The digital inputs maximum voltage withstand is 255 Vac/dc, regardless of the selected threshold level. It means, you can safely choose 24V threshold level for auxiliary voltage of 220VDC. Below extract from the manual shows the typical switching threshold as per the order code digits.
image 1z

image 2z

Released for: Schneider Electric Saudi Arabia

Published on:9/30/2021Last Modified on:8/26/2025

Range:

Easergy P3

Range:

Easergy P3

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Released for: Schneider Electric Saudi Arabia

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