+27 11 792 3560 / +27 76 273 9021
mike@opto.co.za
Shield House, Hawken Ave, Bromhof
Official suppliers of                          Solid State Relays
Opto 22 builds the world's most reliable SSRs
You can count on us:

    > ​Over 45 years' experience in every SSR
    > 4,000 volts of optical isolation
    > UL and CSA recognized
    > Individually tested-twice
    > Guaranteed for life!
Get the SSR data sheet

The data sheet includes part numbers and lots of information for choosing and using SSRs:

    > Tips for heater loads, single-phase, and 3-phase motor control
    > Sizing information and maximum current, including de-rating curves
    > Heatsink requirements
    > Mechanical relays vs. SSRs
    > Resistors for limiting control current and required for inductive loads, like solenoid control
    > SSRs in series for higher-voltage applications
    > Zero-crossing turn-on circuit
    > Testing for SSRs
    > Troubleshooting FAQ

Opto Controls (Pty) Ltd is the official representative and technical support of the US manufacturer OPTO22
in South Africa and has been supplying OPTO22
solid state relays for over 20 years.
Created 10/2022 - copyright Opto Controls (Pty) Ltd