30 September 2021
What is the difference between zero switching and instant switch for the Zelio solid state relays?
Zelio Solid State Relays
Products sold and used in the United States
Selecting the correct style of solid state relay.
Zero switching waits for the sine wave to reach zero in order to turn the relay on, instant or random switching will turn on where ever you tell it to, no matter where it is in the sine wave.