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OPB Power Series

OPB300 Series 1U Rack Mount Power Supplies (Cost Efficient Solution)

Product Description: OPB300 Power Series™ 1U High Rack Mount Power Bricks are unique and highly reliable power supply systems. The power supplies in this series are compact and cost effective and can be used anywhere in the world. This series is primarily designed for Universal AC to +5V, +12V, +24V and +48V DC power supply applications. This power supply series is mainly used in the following applications:

  • Computer Peripherals and Networking
  • 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


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OPB300 Series is a reliable, efficient and inexpensive solution for all kind of AC to DC power supply applications.

Power Supply Main Features:

  • Compact Rack Mount Size
  • Dimensions (5.1" X 19.0" X 1.75") or (129.5mm X 482.6mm X 44.5mm)
  • Universal AC (Alternate Current) Input Range of 90VAC to 264VAC
  • EMI FCC Class B Clearance
  • Single and Multiple Output
  • Highly Efficient Design
  • 1U Low Profile Height
  • NO Minimum Load Required
  • Remote Sense
  • Status Indicator Green LED On Front Panel
  • 300W with active PFC (max output 360W with 18CFM)
  • Cost Effective and Reliable Rack Mount Power Supply Solution

Power Supply General Specifications:

Input Voltage Universal 90VAC to 264VAC
Input Frequency 47Hz to 63Hz
Power Factor >0.95
Holdup Time >20ms
Over Voltage Type Latch off
Overload Protection Auto-Recovery
Short Circuit Protection Auto-Recovery
Efficiency 80-90% Typical
Operational Temperature 0°C to 70°C De-rated 2.5%/°C > 50°C
Storage Temperature -20°C to 85°C
Cooling Free Air Convection for 300W, 18CFM for 360W
Inrush Current (cold) Less than 30A @ 110VAC or 60A @ 220VAC cols start, 25°C

Typical Brick Safety Rating:

Designed in full compliance with UL60950
CSA 22.2 No. 234
EN60950
EMI EN55022 "Class B"
EMS EN61000-4-2,-3,-4,-5,-6,-8,-11
Harmonics EN61000-3-2 Class D

Universal AC to DC Switching Power Supply

Model Number Redundant Total Watt Output DC Voltage Load Amp. Typical Unit Price Manual Buy Now
OPB300U05S No 300 +5V 55A $299.00 - buy now
OPB300U12S No 300 +12V 25A $299.00 buy now
OPB300U15S No 300 +15V 20A $299.00 buy now
OPB300U24S No 300 +24V 12A $299.00 buy now
OPB300U48S No 300 +48V 7A $299.00 buy now