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MEAN WELL RT125A Triple Output Switching Power Supply

The MEAN WELL RT-125A series power supply delivers a robust and versatile solution for applications demanding multiple voltage outputs. With a 125W power rating, it provides three separate outputs, offering flexibility in powering diverse electronic components. Key features include short-circuit, overload, and overvoltage protections, ensuring system safety and reliability. The unit operates efficiently and boasts a wide input voltage range and a high operating temperature capability, making it suitable for demanding industrial environments. Its compact design and comprehensive certifications further enhance its appeal for a broad range of applications.

Authorized Distributors
Source:Newark
Part No:RT-125A
Stock:15
Inv Date:06-16-2026
Price: Unit price: $38.99
Buy/RFQ:
Source:DigiKey
Part No:RT-125A
Stock:46
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:
Part No:RT-125A
Stock:63
Inv Date:06-17-2026
Price: Unit price: $33.8
Buy/RFQ:
Part No:RT-125A
Stock:1
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:
Part No:RT-125A
Stock:40
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:
Part No:RT-125A
Stock:40
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:

MEAN WELL RT125A Triple Output Switching Power Supply Specifications:

  • Model: RT-125A / RT-125B / RT-125C / RT-125D
  • DC Voltage: 5V, 12V, -5V, CH2, CH3, -12V, 12V
  • Rated Current: 12A, 5.5A, 1A, 5A, 1A, 10A, 8A, 4.5A, 3A, 1A, 2A
  • Voltage Adj. Range: 4.75 ~ 5.5V (CH1), ±2.0%
  • Setup, Rise Time: 500ms, 20ms/230VAC; 1200ms, 30ms/115VAC (full load)
  • Hold Up Time: 150ms
  • Voltage Range: 80mVp-p
  • Frequency Range: 47 ~ 63Hz
  • Efficiency: 79%
  • AC Current: 3A/115VAC, 2A/230VAC
  • Input Surge Current: Cold Start 40A/230VAC
  • Leakage Current: <2mA / 240VAC
  • Safety Standards: UL60950-1, TUV EN60950-1 approved
  • Working Temp: -25 ~ +70℃
  • Working Humidity: 20 ~ 90% RH non-condensing
  • Storage Temp, Humidity: -40 ~ +85℃, 10 ~ 95% RH
  • Temp. Coefficient: ±0.03%/℃ (0 ~ 50℃) on +5V output
  • Vibration: 10 ~ 500Hz, 5G 10min./1cycle
  • MTBF: 209.3Khrs min.
  • Dimension: 199*98*38mm (L*W*H)
  • Overload: 110 ~ 150% rated output power
  • Over Voltage: Protection type : Hiccup mode, recovers automatically after fault condition is removed

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Frequently Asked Questions

Where can I buy MEAN WELL RT125A?

You can click on the BUY or RFQ button to purchase RT125A from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part RT125A?

You can download the RT125A datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of RT125A?

MEAN WELL

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