Chuanglian A-400JQ-3.8P
A-400JQ-3.8P: 3.8 V, 400 W series class · source conflict. Fanless.

Purpose and capabilities
The factory listing gives 3.8 V and a 400 W series class for A-400JQ-3.8P. A series class is not an exact variant rating. The factory table states 400 W at 3.8 V and 80 A; the published power and current are inconsistent. Catalogue dimensions: 220 × 48 × 26 mm. PFC is listed. Cabinet design must check AC range, module voltage, current, terminals, cooling and reserve against the PDF.
- 013.8 V output is listed for the A-400JQ-3.8P variant.
- 02Without an unambiguous rated output, automatic PSU quantity is not approved.
- 03Catalogue dimensions: 220 × 48 × 26 mm; confirm physical fit and cooling inside the cabinet.
Rating of the exact variant
The series number and catalogue power class do not always equal the output rating at the selected voltage. Size the load from the exact variant row in the factory PDF. If a value is missing or sources disagree, the rating and quantity remain open questions.
- Output: 3.8 V; rated output: requires review.
- Cooling: Natural convection.
Before fitting inside an LED cabinet
Check the AC input range, module voltage and current, permitted PSU load, terminal polarity and type, cooling space and circuit protection. Matching voltage is only the first selection step; the entire electrical chain needs separate verification.
Where it is used
LED module and cabinet power after voltage, load and installation checks.
Power connection
Wire AC input and DC output to the linked factory sheet. Confirm polarity and conductor size for the exact assembly.
Check before selecting
The factory table states 400 W at 3.8 V and 80 A; the published power and current are inconsistent.
Technical specifications
Values include conditions and sources where available. Configured systems may differ from the base model.
Exact variant output
| Parameter | Value |
|---|---|
| Exact model | A-400JQ-3.8PSource |
| Output voltage | 3.8 VThe factory table states 400 W at 3.8 V and 80 A; the published power and current are inconsistent.Source |
| Rated current | 80 AThe factory table states 400 W at 3.8 V and 80 A; the published power and current are inconsistent.Source · R1.0 |
| PDF output rating · conflicting | 400 W · review requiredThe factory table states 400 W at 3.8 V and 80 A; the published power and current are inconsistent.Source · R1.0 |
| Series power class | 400 WNot the exact voltage variant's rated output power.Source |
Input & efficiency
| Parameter | Value |
|---|---|
| Input voltage category | 200-240VacCatalogue facet; verify the operating range in the specification.Source |
| Power factor correction | YesSource |
Construction
| Parameter | Value |
|---|---|
| Dimensions | 220 × 48 × 26 mmSource |
| Cooling | Natural convectionSource |
| Current sharing | Not listedSource |
Model reviews
Reviews relate to the model. Used equipment condition and contents must be checked separately.
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Compatibility and system composition
Device relationships depend on variant, revision, firmware and operating mode.
A matching brand or connector does not prove compatibility. Electrical and logical requirements and the complete signal chain must be checked.
Engineering status
Conflicting sources
There are no confirmed pairings for this exact SKU yet. An engineer will review it.
Before confirming a project
- Confirmed TOUCHLED price, stock and lead time
- Exact rated power for automatic sizing
- Resolve the listing/PDF discrepancy
Documents and software
Match software and firmware to the exact hardware and revision. Check the official source before installation.


