Features:

• U-Channel, End fan and Top fan types available
• Optional high efficiency OR-ing FET diode Current share function

Medical Open Frame Power Supply  500W EJ-M500B-1Yxxx-PW Description

The Medical Open Frame Power Supply  500W EJ-M500B-1Yxxx-PW delivers higher efficiency and improved performance to meet the growing demand for green power technology. Featuring industry standard footprints, the Open Frame Power Supply  500W efficient design, compact size and rock-solid reliability make these power supplies the ideal solution for a range of consumer, industrial, and ITE applications.

Electrical Specifications
• Input range : 90-264VAC
• Frequency : 47 – 63Hz
• Power Factor : > 0.95 @115VAC; > 0.90 @230VAC @full load
• Inrush current : < 25A peak @115VAC; < 50A peak @230VAC cold start @25°C • Input current (rms) : 4.5A @115VAC; 2.25A @230VAC max. • Efficiency : > 83% typical @full load, 115VAC
• Leakage current : < 300uA @264VAC • Maximum power : 360 Watts with 15CFM forced air cooling (U-channel type) • Hold-up time : > 20ms typical @360 watt load, 115VAC
• Short circuit protection : Auto recovery
• Over load protection : 110% to 150% maximum rating, Auto-recovery
• Over voltage protection : 130% max. above nominal output, shutdown and latch off
• Current share (Single wire) : Up to 4 units can be paralleled [Optional] within 10% accuracy at full load.
• Remote inhibit function
• +5VSB/0.25A convection cooling, 1.0A forced air cooling
• +12V/1A DC fan Output

Environmental
• Operating temperature : 0 to +70°C (Derate linearly 2.5% per °C from 51 to 70°C)
• Humidity: Non-condensing 5% to 95%
• MTBF : > 100,000 hours @full load and 25°C ambient temperature

SAFETY STANDARDS
• UL UL60601-1
• CSA CSA-C22.2 NO.601.1-M90
• TUV EN60601-1
• CB IEC 60601-1

EMI STANDARDS
• EN60601-1-2
• FCC Part 18 Class B
• EN55011 Class B
• CE

Description
We have rich experience in manufacturing Single Output Medical Power Supply, DC DC Converter, Switching Adapter, PC Power Supplies and Dual Outputs Power Supply.
U-channel type
* Dimension : L203.2 × W118.5 × H38.5 mm ( 8″ × 4.66″ × 1.51″ )
* Weight : 0.86 kgs. (1.90 lbs.)
End Fan type (40x40x20mm DC Fan)
* Dimension : L229.4 × W118.5 × H41.5 mm ( 9.03″ × 4.66″ × 1.63″ )
* Weight : 0.98 kgs. (2.16 lbs.)
Top Fan type (60x60x15mm DC Fan)
* Dimension : L203.2 × W118.5 × H66 mm ( 8″ × 4.66″ × 2.60″ )
* Weight : 0.99 kgs. (2.18 lbs.)

DC Outputs:

Model no.Output voltageMinimum loadMaximum loadMaximum load with convection coolingOutput wattsO/P regulationRipple & noise (Vp-p)
EJ-M500B-1Y120-X (D)-PW+12V0A30A41.67A500W5%120mV
EJ-M500B-1Y240-X (D)-PW+24V0A15A20.84A500W5%240mV
EJ-M500B-1Y300-X (D)-PW+30V0A12A16.67A500W5%300mV
EJ-M500B-1Y360-X (D)-PW+36V0A10A13.89A500W5%360mv
EJ-M500B-1Y480-X (D)-PW+48V0A7.5A10.42A500W5%480mV
EJ-M500B-1Y540-X (D)-PW+54V0A6.67A9.26A500W5%540mV
EJ-M500B-1Y570-X (D)-PW+57V0A6.32A8.78A500W5%570mV