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MEAN WELL RT125B Triple Output Switching Power Supply

The MEAN WELL RT-125B is a versatile 125W triple output switching power supply engineered for demanding industrial applications. It provides multiple voltage outputs, ensuring flexibility in powering diverse electronic devices. Key features include robust protections against short circuits, overloads, and overvoltage, ensuring system reliability. The power supply operates efficiently and boasts a wide input voltage range and a high operating temperature tolerance, making it suitable for challenging environments. Its compact design and high MTBF contribute to space-saving and long-term operational stability. It is UL60950-1 and TUV EN60950-1 approved, and compliant with EN55032 (CISPR32) Class B, EN61000-3-2,-3, and EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2).

Authorized Distributors
Source:Newark
Part No:RT-125B
Stock:4
Inv Date:06-16-2026
Price: Unit price: $45.62
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Source:DigiKey
Part No:RT-125B
Stock:21
Inv Date:06-16-2026
Price: Unit price: $33.8
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Part No:RT-125B
Stock:0
Inv Date:06-17-2026
Price: Unit price: $33.8
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Part No:RT-125B
Stock:2
Inv Date:06-16-2026
Price: Unit price: $45.29
Buy/RFQ:
Part No:RT-125B
Stock:0
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:
Part No:RT-125B
Stock:0
Inv Date:06-16-2026
Price: Unit price: $33.8
Buy/RFQ:

MEAN WELL RT125B Triple Output Switching Power Supply Specifications:

  • Model: RT-125A, RT-125B, RT-125C, RT-125D
  • Rated Current: 12A, 5.5A, 1A, 5A, 1A, 10A, 8A, 4.5A, 3A, 1A, 2A, 12A
  • Output: 5V, 12V, CH2, CH2, CH2, CH2, -5V, CH3, CH3, CH3, CH3, 12V, -12V, 5V, 5V, 15V, 24V, -15V, 12V, 5V
  • Voltage Adj. Range: 4.75 ~ 5.5V (CH1), ±2.0%
  • Setup, Rise Time: 500ms, 20ms/230VAC, 1200ms, 30ms/115VAC (full load), 25ms/230VAC, 30ms/115VAC (full load)
  • Hold Up Time: 150ms
  • Voltage Range: 80mVp-p, 120mVp-p, 150mVp-p
  • Frequency Range: 47 ~ 63Hz
  • Efficiency: 79%, 81%, 82%, 80%
  • AC Current: 3A/115VAC, 2A/230VAC
  • Input: 88 ~ 132VAC / 176 ~ 264VAC (switchable), 248 ~ 373VDC
  • Inrush 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 RT125B?

You can click on the BUY or RFQ button to purchase RT125B from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part RT125B?

You can download the RT125B datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of RT125B?

MEAN WELL

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