If you think a UPS is the ultimate in power protection, weve got some news for you: Our Security II UPM, or Uninterruptible Power Manager, performs functions your old UPS never dreamed of.. If you think a UPS is the ultimate in power protection, we`ve got some news for you: Our Security II Medical UPM, or Uninterruptible Power Manager, performs functions which your UPS never dreamed of. For medical systems used in the vicinity of a patient (or anywhere that low leakage current is required), our medical UPMs are the perfect solution for providing conditioned, uninterruptible power. North American models are listed to UL60601-1 3rd edition with RA and cUL22.2 No. 60601-1 and are suitable for patient vicinity applications. International models are listed to IEC60601-1 3rd edition with RA and are CE marked. All models reduce connected equipment leakage current to less than 300 amps All North American models have UL and cUL listings. International models are safety-agency listed and carry the CE mark.