The PFC275-48 is a 48 Vdc 275W medical-grade ATX power supply. The power supply is specifically designed to deliver power through a distribution cable of up to 100 feet. The remote sense lines ensure tight point of load regulation with voltage drop-up to 5 volts. The PFC275-48 is cooled by dual fans with Smart Fan Technology, for ultra-low noise operation.
Cabling: Cable connectors and lengths are customized to your specifications. Please consult our Output Cable configurator or contact us for details.
Input Voltage Range: 100 to 264 Vac
Input Current: 4.5 A max
Frequency: 50/60 Hz
Inrush Current: 35A Cold
Efficiency: 75% to 80% typ
PFC Correction: Active > .95
Leakage Current: < 90uA +/-10% @ 120 Vac
Input Fuses: 2X 6.3A 250V Line & Neutral
Output Voltage: 48Vdc +/- 3%
Hold-Up Time: > 40ms @ full load
Overvoltage Protection: +15% of set voltage
Overload Protection: Manual reset
Minimum Loading: None
Peak Output Current: 7A 50ms
Load Regulation: +/-3%
Line Regulation: < 1%
Turn-On Time: < 2 sec
Auxiliary Output: 12Vdc @ 0.1A
Remote Sense Differential: +/- 5.5 Vdc
Note: Output on/off is accomplished by grounding of power-on signal. Power-on signal is internally pulled up to +5 volts through a 200k resistor and is compatible with the ATX power-on signal input.
Operating Temperature: 0 to 50°C
Storage Temperature: -40 to 80°C
Operational Humidity: 0 to 95% nc
Storage Humidity: 0 to 95% nc
Operational Altitude: -500 to 10,000 ft
Storage Altitude: -500 to 40,000 ft
MTBF (demonstrated): > 500,000 hours
Expected Life: > 8 years, when use as specified
Self-contained EMI filtering for compliance to the following standards (measured with unit mounted in chassis):
EN61000-4-2 ESD Level 3
EN61000-4-3 RF Susceptibility 3v/m
EN61000-4-4 EFT Level 3
EN61000-4-5 Surge Level 3
EN61000-3-2 Harmonics
EN61000-3-3 Flicker
EN61000-4-11 Voltage Dips, Short Interruptions
EN55011 Conducted and Radiated Emissions, Class B
IEC/ ES60601-1 2nd edition
UL file E191947 ISO9001:2008
Lead-free RoHS and REACH compliant
ECCN# EAR99 Conflict Material compliant
Patient Protection: Two MOPP
Note: To meet class B, two ferrites (28A2029-0A0 & 28A0807-0A2) must be added to the output cable.
A QSB-80-01 EMI fan filter must be added to the internal fan. Refer to output cable drawing for placement of ferrite clamps.
RAM Technologies designs and makes the most powerful and reliable certified PC medical power supplies in the market, since 1996. Our power supplies are proudly made in the USA. When you need the best medical PC power supply in the market, contact us.
