INSTALLATIONEATON Powerware® 9125 Two-in-One UPS (2500/3000 VA) User’s Guide S 164201374 Rev Dwww.powerware.com27Hardwired UPS InstallationW A R N I N GOnly qualified service personnel (such as a licensed electrician) shall perform the electricalinstallation. Risk of electrical shock.C A U T I O NS For UPS models with hardwired outputs, overcurrent protection for the output ACcircuit(s) is to be provided by others.S For UPS models with hardwired outputs, suitably rated disconnect switches for theoutput AC circuit(s) are to be provided by others.NOTE Do not make unauthorized changes to the UPS or accessories; otherwise, damagemay occur to your equipment and void your warranty.The Powerware 9125 hardwired models require a dedicated branchcircuit that meets the following requirements:S 16A, 2-pole circuit breaker for EH and GH models/20A, 2-pole circuitbreaker for EUH models to provide short circuit and overcurrentprotectionS The protection device requires a two-pole disconnection devicebetween the UPS output and the loadS The breaker must be wall-mounted and readily accessible to theoperatorS For Europe, the breaker must be approved by the appropriate safetyagency (such as TÜV or VDE) and have a contact air gap of at least3 mmS 200–240 VacS Single-phaseS 50/60 HzS Flexible metal conduit (recommended for ease of service andmaintenance)