Model Input Voltage Output Voltage Size (In)
DCK44002-01 -40 - -72 VDC V1 V2 16.99 x 4.00 x 1.68
-54V@83.8A 5V/1A
INPUT
Input Voltage -40 - -72 VDC
Frequency N/A
Inrush current 70A Max
Efficiency (including FAN loss) 92%@100% load/93%@50%load/90% at 20% load (1 input/2 inputs active)
93%@100% load /94%@50% load /90% at20% load (3 inputs active)
Power Factor N/A
EMI Meets EN55022 Class A
Harmonics Meets EN61000-3-2
Isolation Meets EN60950-1 2nd edition
Leakage current N/A
Output
Output Power 4400W max
Output Voltage N/A
Line regulation +/-1%
Load regulation Droop 3V
Ripple & Noise < 500mV pk-pk
Rise time <500ms
Turn On Delay < 2.5 sec
Dynamic response Peak Deviation < 2V.
Over current protection 120%of Full load
Short circuit protection Protected for continuous short circuit. Recovery after removal of short circuit.
Over voltage protection Latching Type
Current share Active output current sharing
EEPROM & I2C bus PS with a serial EEPROM communicates information to the system processor through I2C bus
Microcontroller PSU remote shut off, LED status monitored and controlled through microcontroller.
Thermal protection PWM Converter disabled when the internal temperature exceeds safe operating range
Under voltage Capable to withstand any input under voltage for unlimited time without damage.
Power Fail signal A Positive True Open collector signal.
Fan fail Power Fail signal also indicate warning of an internal fan failure
Hot swapping Hot swappable
Environmental
Operating Temperature -5° to +55° C
Cooling Internal fan
Safety
Safety Approval:
TUV EN60950-1 2nd edition
CB Mark
EMC Report
AUSTEL AS3260
CCC