4.5V supply for LED display modules
The Rong-Electric MDH200PC4.5 provides a 4.5V DC output with a 40A current rating. Its listed 100–240VAC input supports installations using different mains voltages, provided the connected modules and wiring match the output requirements.
Technical specifications
| Parameter | Specification |
|---|---|
| Output voltage | 4.5V DC |
| Output current | 40A |
| Input voltage | 100–240VAC |
| Input frequency | 47–63Hz |
| Maximum input current | 3.5A |
| Protection | Input undervoltage, overload and short-circuit protection |
| Cooling | Ventilation cooling |
Replacement and load checks
Check the full model suffix, module voltage, required current, terminal positions and mounting dimensions before replacing a power supply. Keep the ventilation openings clear. The 3.5A maximum input current is an AC-side rating; use the 40A DC output rating when assessing the connected module load.
Product photos
Frequently asked questions
What voltage does the MDH200PC4.5 supply?
It supplies 4.5V DC, with a listed output current of 40A.
Can it operate on 110V or 230V AC?
Both voltages fall within the listed 100–240VAC input range. The listed input frequency is 47–63Hz.
Is 3.5A the output limit?
No. 3.5A is the maximum input current. The product’s DC output current rating is 40A.
What protection functions are listed?
Input undervoltage, overload and short-circuit protection are listed, together with ventilation cooling.
Can I replace any 5V LED power supply with this model?
Do not assume interchangeability. This model has a 4.5V output; confirm the LED modules’ voltage requirements, current demand and mechanical fit before selecting it.
