CUS350M Series Single Output 350W/420W Medical & ITE Power Supplies Features High E ciency, up to 94% 1.6 high 350W Convection Cooled, 420W Forced Air Rating BF Rated 5V Standby & 12V Fan Output Key Market Segments & Applications Speci cations Model CUS350M/F AC Input Voltage VAC 85 - 265VAC(1) Input Frequency Hz 47 - 63Hz DC Input Voltage VDC 120 - 370VDC (No safety certi cation) Inrush Current (cold start) A 20A at 115VAC, 40A at 230VAC Power Factor - Meets EN61000-3-2 (Typical PF 0.99/0.95)(2) Input Current (115/230VAC) A 350W: 4 / 2A 420W: 4.5 / 2.3A (typical) O -load Power Draw W <0.5W at 230VAC (In standby mode using remote on/o ) Temperature Coe cient %/C <0.02%/C Overcurrent Protection - 12V: >38A, 18V: > 26A, 24V: > 20A, 36V: >13A, 48V: > 10A Overvoltage Protection (3) V 12V: 13.8-16.2V, 18V: 20.7-24.3V, 24V: 27.6-32.4V, 36V: 41.4-48.6V, 48V: 55.2-64.8V Hold Up Time (115 / 230V input) ms 20ms typical at 350W output Leakage Current mA <0.3mA at 265VAC, 60Hz Ripple and Noise % 1% Line Regulation % 0.5% Load Regulation % 1% Remote Sense - Yes, compensates for 0.5V total cable drop Remote On/O - Apply voltage to isolated terminals to shut unit down Power Good (/F or /PG option) - Isolated transistor, On = Good. Gives >5ms warning of AC power loss Standby Voltage - 5V 0.5A Fan Supply (/F or /FN options) - 12V 0.3A Operating Temperature C -20 to +70C. See derating curves Storage Temperature C -40 to +85C Humidity (non condensing) %RH 10 - 95%RH (Operating & Storage) Cooling - Convection or Forced Air Cooled (1.5m/s across terminals) Withstand Voltage - Input to Ground 2kVAC (1xMOPP), Input to Output 4kVAC (2xMOPPs), Output to Ground 1.5kVAC (1xMOPP) BF Rated Isolation Resistance - >100M at 25C & 70%RH, Output to Ground 500VDC 2 Vibration (non operating) - 10 - 55Hz: 19.6m/s constant sweep 1 min X, Y, Z for 1 hour 2 Shock - < 196.1 m/s (20G) Immunity - IEC61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11, EN60601-1-2:2015 (Ed4) Safety Agency Certi cations - IEC/UL/ES/CSA/EN60601-1, IEC/UL/CSA/EN62368-1, 60950-1, CE Mark Conducted & Radiated EMI - EN55011-B, FCC Class B (Radiated Class A) 350W output Weight (Typ) g 850 Size (LxWxH) mm(in) 190 x 87 x 40mm (7.5 x 3.4 x 1.6) Warranty yrs Three Years Notes: See speci cation for conditions and test methods (1) Derate linearly to 80% load from 115 to 85VAC input (convection) derate linearly to 90% load from 95 to 85VAC (forced air cooling) (2) 115 / 230VAC input (3) Cycle AC to reset CUS350M Series Model Selector Adjust Max Max Max Max Ripple Range Current (A) Power (W) Current (A) Power (W) Noise E ciency (4) Model Voltage (V) Convection Convection Forced Air Forced Air (mV) (typ) % CUS350M-12/F 12V 11.4 - 12.6 29.0 348.0 34.5 414.0 120 91 / 93 CUS350M-18/F 18V 17.1 - 18.9 19.4 349.2 23.0 414.0 180 91 / 94 CUS350M-24/F 24V 22.8 - 25.2 14.7 352.8 17.5 420.0 240 91 / 94 CUS350M-36/F 36V 34.2- 37.8 9.7 349.2 11.5 414.0 240 91 / 94 CUS350M-48/F 48V 45.6 - 50.4 7.3 350.4 8.7 417.6 480 91 / 94 Notes: See speci cation for conditions and test methods (4) 115 / 230VAC input. Convection and forced air ratings Outline Drawing Derating Curve For Additional Information, please visit