Opto 22

43044 Business Park Drive, Temecula, CA 92590 USA
Local & outside the USA:(951) 695-3000
Toll-Free within the USA:(800) 321-6786
Fax: (951) 695-3095
Email: sales@opto22.com
SNAP PAC Products

Opto 22 Products

Opto 22 manufactures controllers, I/O, solid-state relays, and software products that link electrical, mechanical, and electronic devices to networks and computers.

Opto 22 products are used worldwide for industrial automation, remote monitoring, data acquisition, and industrial internet of things (IIoT) applications.

  • See the new groov EPIC System!

Want to upgrade your older Opto 22 mistic and G4 systems? See the Migration page.

SNAP PAC System products


Complete automation system—controllers, software, and I/O—for applications of any size

Build your system!

groov EPIC

groov EPIC System

New! Real-time control, connectivity, data handling, and visualization in an industrial package

For IIoT or any
automation application

OptoEMU System

Opto 22 Energy Monitoring System OptoEMU Energy Monitoring Systemtracks your energy usage to reduce costs.

Watch the video

Solid State Relays & Dimmers

Solid State Relays and Dimmers

Optically isolated SSRs of all types. We invented them, and ours are still the best.

IO4AB products


Expand your Allen-Bradley® RSLogix™ system with intelligent, remote SNAP I/O.

All Products PC Based I/O products

PC-Based I/O

Adapter cards and guaranteed-for-life industrial I/O for PC-based industrial control

All Products

All Products

Everything we make, including legacy products such as G1 (standard) and G4 I/O, mistic, Pamux, Optomux



Opto 22 shirts, mugs, posters, and more—show your Opto spirit

Product Updates

See a list of the most recent changes to documents, downloads, and products on the Opto 22 website


All Opto22

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  • FREE Product Brochure
  • Product Demonstration
  • PreSales Engineering Assistance

Opto 22 Product Support

Opto 22 Product Support is FREE Monday through Friday 7 a.m. to 5 p.m. Pacific Time

Product Support Numbers:

Local: (951) 695-3080
Toll-Free: (800) 835-6786
Fax: (951) 695-3017