48 V Power Supply :

Product Description: Optimal Power's OPR 48 v Power Supply Series is unique and highly reliable. It is designed for Universal AC to DC power supply applications. 48 v Power Supply can be configured as a single as well as a fully redundant power supply. Because of its mulitple features this power supply series can be used anywhere in the world. OPR 48 v Power Supply Series is used mainly in the following applications:

  • Computer Peripherals and Networking Applications
  • Telecommunications and Fiber optic Network
  • Voice, Data and Analog Communications
  • Universities and Educational Facilities
  • Instrumentation and Electronics
  • Utility and Power Industries
  • Data Acquisition
  • Medical
  • Military
Redundant Power Supply
Click for large image

OPR 48 v Power Supply Series is a reliable, efficient and inexpensive solution for all kind of AC to DC & DC to DC power supply applications.

Power Supply Main Features:

  • Compact Rack Mount Size (1.75"H x 19"W x 48 "D)
  • Universal AC (Alternate Current) Input
  • Filtered IEC AC Inlet Connectors
  • EMI FCC Class B Clearance
  • Single and Multiple Output
  • Highly Efficient Design
  • 1U Low Profile Height
  • NO Minimum Load Required
  • RS485/RS422 Remote Management
  • Low Voltage Power Supply Alarm
  • Data Line Alarm And ACO (Alarm Cut Off) System
  • Cost Effective and Reliable Power Supply Solution
Single Power Supply
Click for large image

Redundant Power Supply

Power Supply Specifications:


Output Voltage   48 V DC
Output Ripple  Typical 200mV
Input Voltage  Universal 90VAC to 264VAC (2 AC inlet plugs
  in redundant power supply)
Input Frequency  47Hz to 63Hz
Input Current  Approx. continuous 3 Amps.
Current Tolerance  Typical 2%
Customer Specific Data Line  TTL Logic IN (Logic Low = Data alarm)
(Logic high = Data ok)
Remote Management Interface  RS485/RS422

Typical Internal Power Supply Brick Safety Ratings

Designed in full compliance with  UL60950
  CSA 22.2 No. 234
EMI  EN55022 "Class B"
EMS  EN61000-4-2,-3,-4,-5,-6,-8,-11
Harmonics  EN61000-3-2 Class D


Operational Temperature  0°C to 70°C
Storage Temperature  -20°C to 85°C
Cooling  Free Air Convection
Overload Protection  Auto-Recovery
Over voltage Type  Latch off
Efficiency  80-90% Typical


Dimensions  1U (1.75" H x 19" W x 48 . 48 " D)
Weight  Approx. 13.25 lb = 6.01 kg = 2 48 oz