The EVSE Directory · Field sheet · Eaton · SWG-UPS
SWG-UPSControls UPS dead — gear won't close
Verified 2026-07-302 field confirmsSeverity: medium ~75 min
Safety
Do not defeat any interlocking just because the controls UPS is dead — restore controls power properly and follow the normal switching sequence.
Full procedure requires solo+
Symptom teaser: The switchgear's controls UPS is dead, so protective relays are dark and the gear cannot be commanded to close even though utility voltage may be present and he…
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