RD-125A The Mean Well RD-125A is an enclosed AC/DC converter featuring dual 5V and 12V outputs, delivering a total of 131W. It offers adjustable output voltage and 82% efficiency.
Mfr Part #:

RD-125A

Mfr Name: Mean Well USA
Mean Well USA
The Mean Well RD-125A is an enclosed AC/DC converter featuring dual 5V and 12V outputs, delivering a total of 131W. It offers adjustable output voltage and 82% efficiency.
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RD-125A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Efficiency
Features
Height
Input Voltage
Length
Mounting Type
Number of Outputs
Operating Temperature
Overload Protection
Power (Watts)
Storage Temperature
Temperature Coefficient
Type
Voltage
Width

RD-125A Description

Short technical summary and product information.

The Mean Well RD-125A is a 131W enclosed AC/DC power supply designed for ITE (Commercial) applications. It features dual outputs with a nominal voltage of 5V on CH1 and 12V on CH2. The rated current for CH1 is 7.7A, and for CH2 is 7.7A, with a current range of 0-12A for CH1 and 0-10A for CH2.

 

This power supply operates with an input voltage range of 88-132VAC or 176-264VAC, selectable by switch, and has a frequency range of 47-63Hz. The efficiency is rated at 82% typical. It includes features such as adjustable output voltage for CH1 (4.75-5.5V) and CH2 (5.75-6.75V), with typical ripple and noise of 80mVp-p for CH1 and 120mVp-p for CH2.

 

The RD-125A is designed for chassis mounting and has dimensions of 199.0mm x 98.0mm x 38.0mm. It operates within a temperature range of -25°C to +70°C and has a typical MTBF of 199,000 hours. Safety standards include UL62368-1, TUV EN62368-1, IS 13252(Part 1), and EAC TP TC 004. EMC compliance is met with EN55032 Class B and EN61000-4-2,3,4,5,6,8,11 standards.

RD-125A Quick Information

Product Type: AC DC Converter
Series: RD-125
Canonical Name: Mean Well USA RD-125A AC/DC Converter
Subcategory: Enclosed

RD-125A Compliance

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

RD-125A Features

  • Dual 5V and 12V outputs available.
  • 131W total rated power output.
  • Selectable AC input voltage range.
  • Chassis mount enclosed power supply.
  • Wide operating temperature range.

RD-125A Applications

  • Ideal for industrial power supply systems.
  • Suitable for dual-voltage control circuits.
  • Used in test and measurement equipment.
  • Applicable for LED signage and displays.

RD-125A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the RD-125A?

88 to 132VAC or 176 to 264VAC selectable by switch.

What is the operating temperature range?

-25°C to +70°C (refer to derating curve).

What are the output voltages of the RD-125A?

5V on CH1 and 12V on CH2.

What are the rated currents per channel?

7.7A on both CH1 and CH2.

What are the dimensions of the RD-125A?

199.0mm x 98.0mm x 38.0mm (L x W x H).

What safety standards does the RD-125A comply with?

UL62368-1, TUV EN62368-1, IS 13252(Part 1), EAC TP TC 004.

What protection features are included?

Overload protection at 110-150% rated output power and over voltage protection with hiccup mode.

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