Electronic Fuse Circuit

Posted on Aug 14, 2012

Basically, this circuit is an adjustable electronic circuit breaker, containing a toroidal transformer that senses 60-Hz load current. Tl has a two-turn winding for primary, and 100 turns of #30 gauge wire for the secondary. A high-low range switch selects 0.1 to 6 A or 1 to 12 A. The primary winding of Tl carries full load current and voltage;

Electronic Fuse Circuit
Click here to download the full size of the above Circuit.

should be suitably insulated, as should be RY1.

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