help , best suitable circuit

[fernando091218]

hello experts, what is the best ideal circuit, if you have an input of 5V and it s needed to drive a 220VAC Induction motor.

 

[crutschow]

If you just need to turn the motor off and on from the 5V, then use a solid-state relay of the appropriate size.

 

[fernando091218]

Hello Cruts,

can ssr be driven by low current, DC Voltages? I Mean from the sensor itselt directly to the SSR. or should i Link another circuit.

 

[crutschow]

You have to look at the specs for a particular SSR, but in general they require 10-20mA DC (the input is an LED) to turn on. The LED requires a couple volts and it will need a series input resistor (if it doesn't have one internally) to generate the proper current from your 5V source.