Maintenance Bypass Switch


PowerShield are pleased to be able to offer a comprehensive range of Maintenance Bypass Switches (MBS), suitable for all UPS applications.The inclusion of a MBS is recommended in all critical power application and is a means of reducing the downtime in the unlikely event of a UPS failure.The MBS allows for the removal, maintenance or repair of the UPS without disruption to the critical load equipment.


  • No downtime. Routine maintenance can be performed during normal hours by simply switching the MBS to the “Bypass” position
    PDU (power distribution unit). The MBS has six outlets for distribution to your load
    ECO mode
  • Wallmount as an option either vertically or horizontally to a wall
  • Suitable for both line interactive and true online double conversion topologies


    • For 1-3kVA UPS PSMBS 2k, 3k, 6k
    • For Centurion models PSCEMBS 6k, 10k, 10k 3/1
    • For Platinum models PSMBS 10k, 20k, 30k, 40k, 60k, 80k
PowerShield Maintenence Bypass Switch Brochure PowerShield Maintenence Bypass Switch (PSMBS2K-3K) Quick Guide

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