DRS Technologies Masthead 

843-01

2.4 KW DC UPS
843-01

An uninterruptible power supply that continuously provides conditioned output power for critical naval shipboard applications.

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FEATURES
  • Mean time between failures (MTBF) – 40,000 hours
  • Isolation switches for input, output and battery
  • SNMP communications and control options
  • Draw-out sub-assemblies and printed wiring boards
  • Built-in test (BIT) capability
  • On-line maintenance of batteries and battery charger
  • Output voltmeter
  • Key system LED status indicators
  • LCD status display

Input
Voltage440 VAC nominal, 3 phase
Frequency60 Hz nominal
Output
Voltage28 VDC
Power Rating2.4 kW
Power Backup TimeNumerous Durations Available
Efficiency80% at rated load
Number of Available Output Connectors2
Environmental
Operating Temperature10°C to 50°C / 50°F to 122°F
EMI/EMCMIL-STD-461D, CE101, CE102, CS101, CS114, CS116, RE101, RE102, RS101, RS103
VibrationMIL-STD-167/1, Type 1, 4 Hz to 33 Hz
Shock ResistanceMIL-S-901D, Grade A, Class I, Type A
Airborne NoiseMIL-STD-740-1, Grade A12
Cooling MethodForced air convection
Physical
Power Unit Dimensions  
(LXWXH Inches) (bulkhead)10.5 x 20.5 x 28.6
(LXWXH mm) (bulkhead)267 x 513 x 710
(LXWXH Inches) (5U) (rack)28.6 x 19.3 x 8.9
(LXWXH mm) (5U) (rack)726 x 490 x 226
Power Unit Weight (excluding batteries)
(LBS. Max)178 lbs
(KGS. Max)81 kgs
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