A-300FAY-4.5 supply for LED display replacement
The CZCL A-300FAY-4.5 listing describes a 270 W supply for LED display applications, with fan cooling and output protection. Its model designation and listed power differ from the A-300FAY-5 version.
The shared series text includes two conflicting low-voltage AC ranges and no complete output table for this variant. Use the information below for identification, then confirm the exact unit’s ratings and mounting requirements.
Technical specifications
| Parameter | Specification |
|---|---|
| Model | CZCL A-300FAY-4.5 LED display power supply |
| Listed output power | 270 W |
| Input range in overview | 90–132 V AC / 176–264 V AC |
| Input-range discrepancy | Feature list instead states 90–180 V AC / 176–264 V AC; verify the unit label and applicable specification |
| Series voltage information | The original overview mentions 4.5 V and 5 V variants; a model-specific adjustment/current table is not available |
| Operating temperature | −20 to +50°C |
| Cooling | Fan-forced cooling |
| Protection | Short-circuit and overload protection |
| Production testing | 100% full-load aging stated in the original listing |
| Original specification link | Retained below; currently returns shop content instead of the specification |
| Ratings to confirm | Output current and adjustment range, input switching arrangement, dimensions and mounting details |
Product images and specification download


A-300FAY-4.5 original specification download
Frequently asked questions
How does this listing differ from the A-300FAY-5 version?
This product is identified as A-300FAY-4.5 and listed at 270 W. The separate A-300FAY-5 product is listed at 300 W. The shared series description is not enough to establish interchangeability or an adjustable output range.
Which low-voltage AC input range is correct?
The original overview gives 90–132 V AC, while its feature list gives 90–180 V AC. Both also list 176–264 V AC. Confirm the correct low-voltage range and input arrangement for the supplied unit.
Can I calculate the output-current rating from the model and power?
Use the manufacturer’s confirmed current rating for the exact unit. The available text does not provide a model-specific current or adjustment table, so this page does not substitute a calculated value.
What cooling and protection are described?
The listing specifies fan-forced cooling, short-circuit protection and overload protection. It gives an operating-temperature range of −20 to +50°C but no detailed derating or protection thresholds.
Is the original specification download usable?
The original URL is preserved, but it currently resolves to shop content. Request the exact A-300FAY-4.5 specification before confirming electrical and mounting requirements.








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