POWERSHIELD MAINTENANCE BYPASS SWITCH • No downtime. Routine maintenance can be performed at any hour • A PDU (Power Distribution Unit) with 7 outlets for distribution to your load • Rackmount - MBS can be mounted both horizontally or vertically (ORU) into a rack • Wallmount option, vertically or horizontally • UPS Mountable. Designed to attach to PowerShield Centurion RT and Commander RT ranges. • Suitable for all UPS topologies including offline, line interactive and true online double conversion