Additional Resources: Product Page 3D Model date 08/18/2021 page 1 of 7 SERIES: VMS-350C DESCRIPTION: AC-DC POWER SUPPLY FEATURES universal input voltage (90 ~ 264 Vac) active power factor correction certified to 60601, 60335, and 61558 safety standards suitable for safety class I or class II installations over voltage, over current, over temperature, and short circuit protections adjustable output via trim POT low leakage current (< 0.1 mA) 3 output output output ripple efficiency MODEL 2 voltage current power and noise max max max typ range (Vdc) (Vdc) (A) (W) (mVp-p) (%) VMS-350C-12 12 11.4~12.6 25.0 300.0 120 92 VMS-350C-15 15 14.25~15.75 21.67 325.0 120 92 VMS-350C-24 24 22.8~25.2 14.6 350.4 150 93 VMS-350C-27 27 25.65~28.35 13.0 351.0 200 93 VMS-350C-36 36 34.2~37.8 9.73 350.2 200 93 VMS-350C-48 48 45.6~50.4 7.3 350.4 250 94 Notes: 1. When adjusting the output voltage care should be taken never to exceed the stated output power or output current of the unit. 2. At full load, nominal input, 20 MHz bandwidth oscilloscope, tip & barrel method, output terminated with 10 F electrolytic and 0.1 F ceramic capacitors. Under light load conditions (<10%) the measurement may be 1.5x higher in an effort to maximize converter efficiency. 3. At 230 Vac. PART NUMBER KEY VMS-350C - XX - XXX Chassis: Base Number blank = open-frame Output Voltage CNF = covered cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VMS-350C DESCRIPTION: AC-DC POWER SUPPLY date 08/18/2021 page 2 of 7 INPUT parameter conditions/description min typ max units ac input 90 264 Vac voltage dc input 127 370 Vdc frequency 47 63 Hz at 115 Vac 4.0 A current at 230 Vac 2.0 A at 115 Vac, cold start 50 A inrush current at 230 Vac, cold start 75 A leakage current at 240 Vac 0.1 mA at 115 Vac, full load 0.98 power factor correction at 230 Vac, full load 0.95 no load power consumption at 230 Vac 1 W OUTPUT parameter conditions/description min typ max units 12 Vdc output model 6,000 F 15 Vdc output model 5,000 F output capacitance 24 Vdc output model 3,200 F 27 Vdc output model 2,600 F 36 & 48 Vdc output models 2,000 F full load initial set point accuracy 12 Vdc, 15 Vdc output models 3 % all other output models 2 % line regulation rated load 0.5 % load regulation 0 ~ 100% load 1 % hold-up time at 230 Vac, 25C, full load 6 8 ms temperature coefficient 0.03 %/C 27 Vdc output models, 6W max 9 12 13.8 V fan power all other output models, 6W max 10.2 12 13.8 V PROTECTIONS parameter conditions/description min typ max units output shutdown, latching 12 Vdc output model 15.0 Vdc 15 Vdc output model 18.5 Vdc over voltage protection 24 Vdc output model 30.0 Vdc 27 Vdc output model 33.5 Vdc 36 Vdc output model 45.0 Vdc 48 Vdc output model 59.5 Vdc over current protection auto recovery 110 % short circuit protection continuous, auto recovery over temperature protection output shutdown, auto recovery cui.com