Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is of the universal type and the triac according to its current.
Found in American documentation from the 90s, this circuit uses TTL technology and is therefore...
This protection circuit for battery chargers was found in an old Elektor. The relay is according to...
We found these circuits in a 90s Radio Electronics. In them, we have the way to turn a load on and...