Introduction: DIY Super Electromagnet
How to Make a BIG and Powerful Electromagnet with the Primary of the transformer of a microwave oven. Remove the Secondary. With Iron or Steel (ferromagnetic materials) it attracts with a really great strength. With non ferrous metals like aluminum and copper it repels them due to Eddy currents.
1 Person Made This Project!
- SyP2 made it!
11 Comments
6 years ago
Quick question, could you cut off the excess ends of the "E" to lighten it?
Reply 6 years ago
It is possible, but I don't know how much, because the E does an important function. Increases the magnetic permeability so the magnetic field is channeled better in one direction.
6 years ago
How hot does it get, and could I cut the excess ferrite off the transformer to make it lighter?
7 years ago on Introduction
How long can you keep the magnet on without tripping a breaker? Have mine hooked up to a power strip which trips after a few seconds. Tempted to plug directly into a wall outlet but i dont want to risk overheating the coils.
7 years ago on Introduction
Hi, could you tell me what is your input source (voltage value) and if this electromagnet works with AC (50 - 100 Hz) input?
Thank you
Reply 7 years ago on Introduction
230 volt 50 Hz. But if you live in a 120 volt 60 Hz country you will find microwave oven transformers that work with that values so it is more or less the same.
Reply 7 years ago on Introduction
Thank you very much..
8 years ago on Introduction
Hi,
What did you connect the wires from the primary core to?
8 years ago on Introduction
What is the rating on the transformer you used for this?
Reply 8 years ago on Introduction
I dont know. 230 V, 2000 Watts
8 years ago
How strong is it?