RXN3020D Linear Programmable DC Power Supply 0-30V 0-20A
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Prices updated: 12 Oct 2026
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About this product
A single-output linear DC programmable power supply with an adjustable output of 0 to 30V and a current range up to 20A. Its built-in large transformer gives ultra-low output noise, which makes it suitable for bench testing, powering prototypes and running sensitive analog circuits.
Specifications
- Output voltage
- 0-30 V DC
- Output current
- 0-20 A
- Type
- Linear, single output
- Output noise
- Ultra-low (large built-in transformer)
- Control
- Programmable
Frequently asked questions
How do I set the current limit safely before connecting a load?
Briefly short the output terminals, set the desired voltage and current limit, then remove the short and connect your load. This keeps the load from drawing more current than you intended while you adjust the settings.
Can I use it to power a 12V device such as a motor or LED strip?
Yes. Set the output to 12V and set the current limit slightly above the device's maximum rated current. The current limit protects both the supply and the load if something goes wrong.
