Details, datasheet, quote on part number: VMS-300A-24

CUI's VMS-300A series, available in an industry standard 3" x 5" open frame package, delivers efficiencies up to 94% and high power densities up to 14.5 W/in3. Meeting EN 60601-1 Edition 3.1 safety standards and 4th Edition EMC requirements, these single output, medical power supplies are designed for energy-conscious, 2 x MOPP (means of patient protection) hospital, home healthcare, and dental applications.

DatasheetDownload VMS-300A-24 datasheet
VMS-300A-24 photo

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Features, Applications
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to 300W continuous power universal input voltage range industry standard x 5" footprint power factor correction remote voltage sense & on/off control fan & 5 Vdc aux outputs covered and open-frame configurations over voltage, over current, over temperature, and short circuit protections medical 60601-1 safety approvals designed for 2 x MOPP applications efficiency to 94%

Maximum output power (5 W for Vstb) with 10 CFM forced air, (3 W for Vstb) with convection cooling. At full load, nominal input, 20 MHz bandwidth oscilloscope, output terminated with 10 F electrolytic and 0.1 F ceramic capacitors. At full load, 25C, 230 Vac input. Standby output voltage. Present on all models. All specifications are measured Ta=25C, 230 Vac input voltage, and 60% rated output load unless otherwise specified.

Base Number Output Voltage Chassis: "blank" = open-frame CNF = covered Input Connector: "blank" = TAIWAN KING PIN TERMINAL PVHI series 1 = LONG CHU P3060 series

parameter voltage frequency current inrush current leakage current leakage current (enclosure/ patient) power factor correction no load power consumption meets EN 61000-3-2 measured with the PS-ON signal configured to OFF at 100 Vac at 240 Vac at 240 Vac, 25C, cold start conditions/description min 90 47 typ max units Vac A mA

parameter conditions/description at 115/230 Vac, full load 12 Vdc output models 24 Vdc output models 36 Vdc output models 48 Vdc output models at full load, 25C Vo Vstb high line to low line at full load Vo Vstb from full to 10% load Vo Vstb at 115 Vac built in trim pot (VR) at full load PS-ON = 0V PS-ON 60 0.05 power on PS-ON signal1 power off power good (PG) standby output voltage fan output

load regulation hold-up time adjustability switching frequency temperature coefficient
PS-ON = NC (internal circuit will drive PS-On to 11~16 Vdc)
TTL goes high 50~250 ms after powered on TTL goes low 5~20 ms before Vo 5 Vdc A 12 Vdc 500 mA
1. When not used, short PS-ON & signal GND.

parameter conditions/description latch mode 12 Vdc output 24 Vdc output 36 Vdc output 48 Vdc output models 130 hiccup, auto recovery auto recovery (temperature of C37) 110 C min typ max units Vdc %

over current protection short circuit protection over temperature protection
parameter isolation voltage isolation resistance safety approvals safety class EMI/EMC MTBF RoHS

conditions/description input to output (2MOPP) for 1 minute input to earth (1MOPP) for 1 minute output to earth (1MOPP) for 1 minute

100 UL/cUL 60601-1, IEC 60601-1 (3.1 edition) class EN55011, EN55022 Class B, EN55024, FCC Class EN61000-3-3 as per at 115 Vac, 2011/65/EU 100,000

1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives.

parameter operating temperature storage temperature operating humidity operating altitude vibration2 shock2

3000 as per MIL-STD-810F Table 15~2000 Hz for 1 hour on each axis for 3 hours as per MIL-STD-810F Table 516.5, Table 516.5-1; for ms on each axis 3 times 4 75

VMS-300A Output Power vs. Input Voltage (Natural Convection)
VMS-300A-CNF Output Power vs. Input Voltage (Natural Convection)
VMS-300A Output Power vs. Ambient Temperature (Natural Convention)
VMS-300A-CNF Output Power vs. Ambient Temperature (Natural Convection)


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