Just a very dumb question - although I'm not really knowledgeable on this.

Hi... I just have a very dumb "non-electronic-guy" question to help me do up a cooling fan for an indoor hydroponic system: If I have an adaptor with a power supply of 12V, 2amps., will I be able to or will it even be safe to hook up three (3) computer cooling fans (on to the same adaptor) with this rating: DC 12V,0.30A? For any question on why am I asking this, well, it's basically just to save on the number of power points I'd need to plug in three basic cooling fans. This is just to basically blow air to the plants. I'd really appreciate anyone's help on this. Much thanks in advance.

by ngy_gemini
October 14, 2020

1 Answer

Answer by Foxx

The 3 fans must be connected in parallel--you probably knew this. Each fan requires 0.3 amp so total requirement is 0.9 amp. Your power supply is rated 2 amp so this is plenty for the 3 fans.

+2 votes
by Foxx
October 19, 2020

Your Answer

You must log in or create an account (free!) to answer a question.

Log in Create an account

Go Ad-Free. Activate your CircuitLab membership. No more ads. Save unlimited circuits. Run unlimited simulations.

Search Questions & Answers

Ask a Question

Anyone can ask a question.

Did you already search (see above) to see if a similar question has already been answered? If you can't find the answer, you may ask a question.

About This Site

CircuitLab's Q&A site is a FREE questions and answers forum for electronics and electrical engineering students, hobbyists, and professionals.

We encourage you to use our built-in schematic & simulation software to add more detail to your questions and answers.

Acceptable Questions:

  • Concept or theory questions
  • Practical engineering questions
  • “Homework” questions
  • Software/hardware intersection
  • Best practices
  • Design choices & component selection
  • Troubleshooting

Unacceptable Questions:

  • Non-English language content
  • Non-question discussion
  • Non-electronics questions
  • Vendor-specific topics
  • Pure software questions
  • CircuitLab software support

Please respect that there are both seasoned experts and total newbies here: please be nice, be constructive, and be specific!

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.