The PSIM280B series of medical open frame power supplies offers 280 watts of output power in a highly reliable 5″ x 3″ x 1.18″ package. This series consists of single outputs, an input voltage range of 90-264VAC, and a frequency of 47-63Hz. All models are RoHS compliant, have high efficiency above 91%, and meets medical BF rating. Models are equipped with remote control (inhibit) function and LED indicators.

• Both ITE and Medical Approvals • High Power Density, 280W in 5” x 3” Footprint • Medical Applications Protection: Means of Patient Protection (MOPP) • Altitude During Operation: ITE up to 5000m, Medical below 3000M • Meets Medical BF Rating • Main Output and Standby Output Power ON LED Indicators • Remote Control (Inhibit) Function • RoHS Compliant • Wide Input Range of 90-264VAC
Power (W)
PSIM280B-1Y120Z Input Voltage: 90~264 Output Voltage: 12 Output Current: 17.5~23.33A Output Power (W): 280 No. Outputs: S Case: Open Frame Get a Quote
PSIM280B-1Y240Z Input Voltage: 90~264 Output Voltage: 24 Output Current: 8.75~11.66A Output Power (W): 280 No. Outputs: S Case: Open Frame Get a Quote
PSIM280B-1Y280Z Input Voltage: 90~264 Output Voltage: 28 Output Current: 7.5~10A Output Power (W): 280 No. Outputs: S Case: Open Frame Get a Quote
PSIM280B-1Y480Z Input Voltage: 90~264 Output Voltage: 48 Output Current: 4.375~5.38A Output Power (W): 280 No. Outputs: S Case: Open Frame Get a Quote
PSIM280B-1Y540Z Input Voltage: 90~264 Output Voltage: 54 Output Current: 3.88~5.18A Output Power (W): 280 No. Outputs: S Case: Open Frame Get a Quote
Specification Value
Input Voltage (Nominal): 115/230
Input Voltage Range: 90~264
Remote ON/OFF: Inhibit Function
PFC: >0.95 @115VAC >0.90 @230VAC, Full Load
Input Frequency: 47-63Hz
Output Voltage: 12, 24, 28, 48, 54
Output Current: 17.5A, 8.75A, 7.5A, 4.375A, 3.88A
Output Power (Watts): 280
Short Circuit Protection: Automatic Recovery
Over Voltage Protection: Latch Type, AC Recycle
Efficiency: 91%
Operating Temperature: 0 to 70°C
Storage Temperature: -20 to 85°C
Weight: 0.775 lbs
Dimensions: 5" x 3" x 1.18"
Notes & safety
Notes: (1) Output connector options: Z=T (Terminal block type, pitch 8.25mm) Suitable for all voltages, Z=M (Mini-fit type, pitch 4.2mm), or Z=C (Connector type, pitch=3.69mm): Suitable for 24V and up.
(2) All models are equipped with 5Vsb & 12V fan outputs.
a. 5Vsb meets ErP 0.5W @ No Load
(3) All models have total power 210W max. convection or 280W max. forced air cooling.
(4) Ripple and noise are measured at oscilloscope 20MHz bandwidth by a 47uF electrolytic capacitor and a 0.1uF ceramic capacitor in parallel at output connector.
(5) This product is Listed to applicable standards and requirements by UL.
Due to advances in technology, specifications are subject to change without notice.
Safety Approvals: UL60601-1 3rd Edition, UL/c-UL UL60950-1, EN60601-1 3rd Edition, TUV EN60950-1, IEC EN60601-1 3rd Edition, CB IEC60950-1
RoHS Compliance: Yes
TUV Efficiency Level: TUV EN60950-1

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