Three Phase Industrial DIN Rail Power Supply, 24V 20A 480W
Quick take
This MEAN WELL industrial DIN rail power supply converts three-phase AC into a regulated 24V DC output, rated for up to 20A (480W). It is a strong fit for control panels and equipment that need serious 24V power delivered cleanly and efficiently. The main buying caveat is compatibility: you must have the correct three-phase input conditions and ensure your wiring and connected load are a match for a 24V, 20A class supply.
Pros and cons
Pros
- High-capacity 24V DC output (20A, up to 480W), suitable for power-hungry 24V loads
- Wide three-phase input range (340 to 550VAC), which can help with installation variability
- DIN rail form factor for cleaner cabinet mounting
- Air cooling design, which can simplify integration in typical panel environments
Cons
- Designed for three-phase industrial power, so it may not be appropriate for single-phase setups
- Built for 24V DC systems only, so it is not a match for equipment that needs a different voltage
- Review evidence is limited, so buyer experience details are harder to verify beyond the core specs
What buyers think
Buyer-review evidence is limited, so it is not possible to reliably identify consistent patterns about performance, noise, efficiency, reliability, or installation experience. Because of that, the safest approach is to treat this as a specification-driven purchase, double-checking your electrical compatibility (three-phase input, 24V DC load requirements) before ordering.
Key specs that matter for panel builders
24V output capacity (the headline requirement)
The supply delivers 24V DC at up to 20A, for a maximum output of 480W. That makes it a practical choice when your equipment has multiple 24V components (control electronics, relays/solenoids, sensors, or other DC loads) and you want enough headroom so your system is not constantly pushing the supply to its limit.
Three-phase input range
It supports an input voltage range of 340 to 550VAC and an input frequency of 47 to 63Hz. This wider input window can be useful in real-world industrial installations where line voltage and frequency may vary within a tolerable range. Still, you need to confirm you truly have the three-phase power configuration required for this unit.
DIN rail integration and cooling
The DIN rail form factor is aimed at cabinet and panel installs. Cooling is specified as air, which generally aligns with many industrial panel layouts, but you should still plan for adequate airflow around the unit and avoid tightly sealed enclosures unless you account for thermal design.
Pros and cons in real-world buying terms
Who this power supply is best for
- Teams building control panels and automation systems that need a dedicated 24V DC, high-wattage supply
- Installations with three-phase AC and a need for a supply that can handle a 340 to 550VAC input band
- Builders who prefer DIN rail mounting over bulky chassis-style power units
Who should look elsewhere
- If you are working with single-phase mains, you will likely need a different type of industrial power supply
- If your equipment requires a voltage other than 24V DC, this unit will not be a match
- If you cannot validate load requirements ahead of time, a 480W class supply can be overkill, or you may end up using it at a permanently high fraction of capacity
How to decide if it is worth it
Whether this unit is “worth it” comes down to your electrical fit more than brand name or form factor. Before you buy, confirm:
- Voltage compatibility: your system needs 24V DC.
- Current and power budget: your total 24V load should stay within the supply’s 20A (480W) rating, with margin for normal operating swings.
- Input compatibility: your installation provides three-phase power and sits within the 340 to 550VAC input range and 47 to 63Hz frequency band.
- Mounting and thermal fit: you have suitable DIN rail space and airflow for air-cooled operation.
If those boxes are checked, a 24V 20A DIN rail supply is a clean way to power industrial DC loads from a three-phase source.
Alternatives to consider (without brand guessing)
If you are comparing options, sort alternatives by the same decision factors that matter here:
- Input type: choose three-phase versus single-phase based on your facility power.
- Output voltage: match the exact DC voltage your loads require (this one is 24V).
- Output capacity: compare 24V current ratings and maximum wattage to your total load draw.
- Mounting format: confirm DIN rail compatibility and available panel space.
- Cooling/thermal behavior: make sure air-cooled designs will work in your enclosure conditions.
Price and availability
Price can change frequently. Check the current listing for the most up-to-date cost and fulfillment details: Buy on Amazon.
FAQ
What voltage does this power supply output?
It outputs 24V DC.
How much current and power can it deliver at 24V?
It is rated for up to 20A, which corresponds to a maximum output of 480W.
Does it work with three-phase power?
Yes. It is specified as a three-phase industrial DIN rail power supply.
What input voltage range does it support?
It supports input voltages from 340 to 550VAC at 47 to 63Hz.
Is it compatible with DIN rail panels?
Yes. It uses a DIN rail form factor for cabinet mounting.
Is it air-cooled?
Cooling is specified as air, so plan for appropriate airflow in your enclosure.
Specifications
| Product Title | Three Phase Industrial DIN Rail Power Supply, 24V 20A 480W |
|---|---|
| Category | Electronics > Power Accessories > PDUs |
| Brand | MEAN WELL |
| Manufacturer | Mean Well |
| Model Name | Three Phase Industrial DIN Rail Power Supply |
| Model Number | TDR-480-24 |
| Item Weight | 3 Pounds |
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Output Wattage | 480 Watts |
| Form Factor | DIN Rail |
| Wattage | 480 watts |
| Cooling Method | Air |
| Power Supply Design | Three Phase |
| Current Rating | 20 Amps |
| Maximum Input Voltage | 550 Volts (AC) |
| Minimum Input Voltage | 340 Volts |
| System Bus Connector Type | ATX |
| Mfr Part Number | TDR-480-24 |
| Built-In Media | electronic-controllers |
| Item Dimensions | 6.96 x 5.04 x 6.96 inches |
| Connector Type | ATX |
| Item dimensions L x W x H | 6.96 x 5.04 x 6.96 inches |
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