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Can MOVs (metal oxide varistors) be installed on the main AC power connector of a MNL controller?

Issue

Can MOVs (metal oxide varistors) be installed on the main AC power connector of a MNL controller?
Site has dirty power issues.

Environment

MNL controllers

Cause

Site has dirty power issues which are causing damage to the MNL controllers

Resolution

Although it's not a supported configuration, the MOVs are electronically capable of being installed on the MNL controller's main AC power connector.

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Version history
Revision #:
1 of 1
Last update:
‎2018-09-06 09:43 AM
Updated by: