PSF-75-A The CUI Inc. PSF-75-A is a 75W AC-DC power supply with dual 13.8V outputs. It features a universal input voltage range and chassis mount.
Mfr Part #:

PSF-75-A

Mfr Name: CUI Inc.
CUI Inc.
The CUI Inc. PSF-75-A is a 75W AC-DC power supply with dual 13.8V outputs. It features a universal input voltage range and chassis mount.
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PSF-75-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Efficiency
Features
Frequency
Mounting Type
Number of Outputs
Operating Temperature
Power (Watts)
SVHC Present
Temperature Coefficient
Type
Voltage

PSF-75-A Description

Short technical summary and product information.

The CUI Inc. PSF-75-A is an AC-DC power supply designed for ITE (Commercial) applications. It delivers up to 75W of continuous power with dual 13.8Vdc outputs.

 

The unit operates with a universal input voltage range of 90-264 Vac and a frequency of 47-63 Hz. Key electrical specifications include a maximum output current of 5.5A for the first output and 2.07A for the second. It boasts an efficiency of up to 86% and features built-in constant current limit circuitry.

 

Protections include short circuit, overload, over voltage, brown-out, battery low, and battery polarity protections. The power supply is designed for chassis mounting and has dimensions of 123.0mm x 95.0mm x 31.0mm. It is approved by CE, cURus, and TUV.

 

Additional features include an adjustable output voltage (Vo1 ±10%), alarm signals for AC OK and battery low, and it can withstand a 2G vibration test.

PSF-75-A Quick Information

Product Type: AC-DC Power Supply
Series: PSF-75
Canonical Name: CUI Inc. PSF-75-A AC-DC Power Supply
Subcategory: AC DC Converters

PSF-75-A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

PSF-75-A Features

  • Delivers 75W continuous power.
  • Dual 13.8Vdc outputs.
  • Universal 90-264 Vac input.
  • Efficiency up to 86%.
  • Chassis mount open frame design.

PSF-75-A Applications

  • Suitable for ITE commercial applications.
  • Features alarm signals for AC OK.
  • Includes battery low alarm signal.
  • Built-in constant current limit circuitry.

PSF-75-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the PSF-75-A?

90 to 264 VAC at 47 to 63 Hz.

What are the output voltages and currents?

Dual 13.8V outputs: 5.5A on output 1 and 2.07A on output 2.

What is the output power rating?

75W maximum.

What is the operating temperature range?

-20°C to 70°C with derating.

What is the typical efficiency?

86% typical.

What protection features are included?

Over voltage protection at 150% and over current protection at 110% (outputs 1,3) and 100% (output 2).

Does the PSF-75-A have a battery cut-off function?

Yes, for models PSF-75-A and PSF-75-B the cut-off range is 9.5 to 10.5 Vdc.

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