Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well RT-50B Power Supply 50W 5V 12V -12V
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Description
Description
Features
| Protections: Short circuit / Overload / Over voltage |
| 100% full load burn-in test |
| Universal AC input/Full range |
| LED indicator for power on |
| High operating temperature up to 70°C |
| Withstand 5G vibration test |
| All using 105°C long life electrolytic capacitors |
| High efficiency, long life and high reliability |
| Cooling by free air convection |
| 3 years warranty |
General Specification
| AC input voltage range | 88~264VAC, 125~373VDC |
| AC inrush current (max.) | 48A at 230VAC |
| DC adjustment range | ±10% by potentiometer for CH1 |
| Overload protection | 110%~150% |
| Over voltage protection | 115%~135% rated output voltage, hiccup mode, auto-recovery |
| Withstand voltage | I/P - O/P: 3KVAC, I/P - FG: 2KVAC, O/P - FG: 0.5KVAC |
| Working temperature | -25~+70°C |
| Vibration | 10~500Hz, 5G 10min. /1 cycle, period for 60 min. each along X, Y, Z axes |
| Safety standards | UL62368-1, TUV EN62368-1 approved |
| EMC standards | EN55032 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2) |
| Connection | Terminal block for input and output |
| Dimension (LxWxH) | 99x 97x 36 |
| Case No. | 905B |
| Packing | 45pcs /19.5kg |
Specifications
Specifications
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BrandMean Well
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SeriesRT Series
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Power Rating50 Watt
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Output Voltage5 Volt
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Rated Current4 Ampere
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Input Voltage88V~264V
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Standards MetCB,CE,EAC,RCM,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-25°C~70°C
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Warranty3 Year
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Length9.9 cm
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Width9.7 cm
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Height3.6 cm
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Weight0.41 kg
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Frequently Asked Questions
Can the RT-50B power analog and digital sections in one automation assembly?
Yes, when the assembly needs the RT-50B's triple output combination of 5V, 12V, and -12V. The supply is rated for 50W total and lists 5V at 4A on its main output. That makes it relevant for mixed-signal control or interface hardware that uses both positive and negative low-voltage rails.
Is the RT-50B suitable for instrumentation or signal-conditioning equipment that requires a negative rail?
It can be, because the model specification includes a -12V output alongside 5V and 12V. The unit is constant voltage and rated for 50W total, with the listed 5V rail at 4A. That output set is more aligned with instrumentation and control electronics than a single-rail power supply.
Can I use the RT-50B in a compact embedded or industrial electronics enclosure?
Yes, provided the load stays within the 50W total rating and the 5V draw stays within 4A. The housing measures 99.0 × 97.0 × 36.0 mm and weighs 0.41 kg, so it is sized for smaller enclosures. Its 88-264VAC input also supports use across varied AC input conditions.
Does the RT-50B support indoor industrial environments with vibration or higher ambient temperatures?
The listed operating range is -25°C to +70°C, and the features mention 5G vibration resistance plus 70°C operation. Those specs support indoor industrial use where temperature and vibration are concerns. No IP rating is shown, so the provided data does not confirm outdoor or wet-location suitability.
What are the key differences between the RT-50B and the other RT models listed here?
The listed RT series models include RT-50A at 46.5W and 5V 4A, RT-50B at 50W and 5V 4A, RT-50C at 50W and 5V 4A, RT-50D at 51W and 5V 3A, RT-65A at 66.1W and 5V 6A, RT-65B at 64.6W and 5V 5A, RT-65C at 65.5W and 5V 5A, RT-65D at 68W and 5V 4A, RT-125A at 131W and 5V 12A, RT-125B at 132W and 5V 12A, RT-125C at 132.5W and 5V 10A, and RT-125D at 136W and 5V 8A. RT-85A, RT-85B, RT-85C, RT-85D, RT-125NA, RT-125NB, and RT-125ND are named as siblings, but no detailed figures were provided here. RT-50B sits in the compact 50W tier and matches RT-50C on stated power and main 5V current while differing from RT-50A and RT-50D on total stated wattage.
