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G4 I/O Family

Opto 22 G4 I/O Family offers I/O modules with an LED status indicator on the top of the module and a more compact footprint than the previous G1 I/O modules. The G4 product lineup includes not only discrete and analog I/O modules but also controllers, battery packs, fuse clips, tools, and accessories. The discrete I/O modules can switch up to 3A per channel, and each module is individually fused. The analog I/O modules provide complete electrical channel-to-channel isolation, which eliminates troublesome ground loop problems. The Opto 22 G4 products are guaranteed for life and are suitable for new installations, legacy Optomux and mistic systems, Raspberry Pi, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Terminal Block Tools & Accessories G4 16-Position Strap for Single Rack, Black (10-Pack) G4STRAPB-BLACK Opto 22 1: Rp2.893.348 1In Stock	Mfr. Part No. G4STRAPB-BLACK Mouser Part No 94-G4STRAPB-BLACK	Opto 22	Terminal Block Tools & Accessories G4 16-Position Strap for Single Rack, Black (10-Pack) Learn More about Opto 22 g4 io family	Datasheet	1In Stock	Rp2.893.348 Rp1.946.878 Rp1.885.785 Rp1.830.564 View Rp1.793.872 Quote	Min.: 1 Mult.: 1
Fuse Clips G4 FUSE SOCKET 100-PACK G4 FUSE SOCKETS Opto 22 1: Rp1.241.657 1In Stock	Mfr. Part No. G4 FUSE SOCKETS Mouser Part No 94-G4FUSESOCKETS	Opto 22	Fuse Clips G4 FUSE SOCKET 100-PACK Learn More about Opto 22 g4 io family	Datasheet	1In Stock	Rp1.241.657 Rp1.241.474 Rp1.171.759 Rp1.123.693 View Quote	Min.: 1 Mult.: 1
Fuse Clips G4 Fuse Retaining Clip 10 Pack G4 FUSE CLIP Opto 22 1: Rp512.587 1In Stock	Mfr. Part No. G4 FUSE CLIP Mouser Part No 94-G4FUSECLIP	Opto 22	Fuse Clips G4 Fuse Retaining Clip 10 Pack Learn More about Opto 22 g4 io family	Datasheet	1In Stock	Rp512.587 Rp510.019 Rp467.089 Rp448.743 View Rp428.563 Rp418.289 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Output 5-60 VDC, 24 VDC Logic G4ODC24 Opto 22 1: Rp684.673 770In Stock	Mfr. Part No. G4ODC24 Mouser Part No 94-G4ODC24	Opto 22	I/O Modules G4 DC Output 5-60 VDC, 24 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	770In Stock	Rp684.673 Rp610.188 Rp587.072 Rp567.809 View Rp521.577 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Output 5-60 VDC, 5 VDC Logic G4ODC5 Opto 22 1: Rp702.468 828In Stock	Mfr. Part No. G4ODC5 Mouser Part No 94-G4ODC5	Opto 22	I/O Modules G4 DC Output 5-60 VDC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	828In Stock	Rp702.468 Rp635.872 Rp612.573 Rp591.475 View Rp564.323 Rp557.351	Min.: 1 Mult.: 1
I/O Modules G4 DC Input 10-32 VDC, 24 VDC Logic G4IDC24 Opto 22 1: Rp725.584 129In Stock	Mfr. Part No. G4IDC24 Mouser Part No 94-G4IDC24	Opto 22	I/O Modules G4 DC Input 10-32 VDC, 24 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	129In Stock	Rp725.584 Rp640.275 Rp631.653 Rp611.289 View Rp544.326 Rp543.042 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Input 10-32 VDC, 5 VDC Logic G4IDC5 Opto 22 1: Rp670.730 108In Stock	Mfr. Part No. G4IDC5 Mouser Part No 94-G4IDC5	Opto 22	I/O Modules G4 DC Input 10-32 VDC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	108In Stock	Rp670.730 Rp611.656 Rp586.522 Rp570.377 View Rp554.600 Rp547.078 Quote	Min.: 1 Mult.: 1
I/O Modules G4 AC Output 24-280 VAC, 24 VDC Logic G4OAC24A Opto 22 1: Rp709.990 268In Stock	Mfr. Part No. G4OAC24A Mouser Part No 94-G4OAC24A	Opto 22	I/O Modules G4 AC Output 24-280 VAC, 24 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	268In Stock	Rp709.990 Rp614.408 Rp586.522 Rp565.607 View Rp539.556 Rp532.951	Min.: 1 Mult.: 1
I/O Modules G4 AC Output 12-140 VAC, 5 VDC Logic G4OAC5 Opto 22 1: Rp682.838 61In Stock	Mfr. Part No. G4OAC5 Mouser Part No 94-G4OAC5	Opto 22	I/O Modules G4 AC Output 12-140 VAC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	61In Stock	Rp682.838 Rp607.620 Rp584.504 Rp565.424 View Rp521.577 Rp519.742 Quote	Min.: 1 Mult.: 1
I/O Modules G4 AC Output 24-280 VAC, 5 VDC Logic G4OAC5A Opto 22 1: Rp680.637 384In Stock	Mfr. Part No. G4OAC5A Mouser Part No 94-G4OAC5A	Opto 22	I/O Modules G4 AC Output 24-280 VAC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	384In Stock	Rp680.637 Rp609.454 Rp593.677 Rp567.075 View Rp521.577 Quote	Min.: 1 Mult.: 1
I/O Modules G4 Reed Relay Output, 5 VDC logic, normally open G4ODC5R Opto 22 1: Rp718.613 202In Stock	Mfr. Part No. G4ODC5R Mouser Part No 94-G4ODC5R	Opto 22	I/O Modules G4 Reed Relay Output, 5 VDC logic, normally open Learn More about Opto 22 g4 io family	Datasheet	202In Stock	Rp718.613 Rp635.505 Rp606.519 Rp587.072 Rp544.326	Min.: 1 Mult.: 1
I/O Modules G4 Reed Relay Output, 5 VDC logic, normally closed G4ODC5R5 Opto 22 1: Rp1.065.903 51In Stock	Mfr. Part No. G4ODC5R5 Mouser Part No 94-G4ODC5R5	Opto 22	I/O Modules G4 Reed Relay Output, 5 VDC logic, normally closed Learn More about Opto 22 g4 io family	Datasheet	51In Stock	Rp1.065.903 Rp940.416 Rp930.876 Rp912.897 View Rp799.519 Rp799.335 Quote	Min.: 1 Mult.: 1
Modules Accessories G4 16-channel I/O Module Rack G4PB16 Opto 22 1: Rp3.843.670 10In Stock	Mfr. Part No. G4PB16 Mouser Part No 94-G4PB16	Opto 22	Modules Accessories G4 16-channel I/O Module Rack Learn More about Opto 22 g4 io family	Datasheet	10In Stock	Rp3.843.670 Rp3.432.170 Rp3.388.873 Rp3.356.584 View Quote	Min.: 1 Mult.: 1
Mounting Fixings G4 MODULE SOCKET 100-PACK G4-MOD-SOCKETS Opto 22 1: Rp1.192.307 2In Stock	Mfr. Part No. G4-MOD-SOCKETS Mouser Part No 94-G4-MOD-SOCKETS	Opto 22	Mounting Fixings G4 MODULE SOCKET 100-PACK Learn More about Opto 22 g4 io family	Datasheet	2In Stock	Rp1.192.307 Rp1.119.656 Rp1.073.424 Rp1.041.869 View Rp1.009.764 Quote	Min.: 1 Mult.: 1
I/O Modules G4 AC Input 90-140 VAC/VDC, 5 VDC Logic G4IAC5 Opto 22 1: Rp676.967 28In Stock	Mfr. Part No. G4IAC5 Mouser Part No 94-G4IAC5	Opto 22	I/O Modules G4 AC Input 90-140 VAC/VDC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	28In Stock	Rp676.967 Rp607.069 Rp585.421 Rp569.276 View Rp529.649 Rp518.458	Min.: 1 Mult.: 1
I/O Modules G4 AC Input 180-280 VAC/VDC, 5 VDC Logic G4IAC5A Opto 22 1: Rp722.099 13In Stock	Mfr. Part No. G4IAC5A Mouser Part No 94-G4IAC5A	Opto 22	I/O Modules G4 AC Input 180-280 VAC/VDC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	13In Stock	Rp722.099 Rp613.674 Rp611.289 Rp521.577	Min.: 1 Mult.: 1
I/O Modules G4 AC Input 90-140 VAC/VDC, 5 VDC Logic, Low Impedance G4IAC5L Opto 22 1: Rp720.631 1In Stock	Mfr. Part No. G4IAC5L Mouser Part No 94-G4IAC5L	Opto 22	I/O Modules G4 AC Input 90-140 VAC/VDC, 5 VDC Logic, Low Impedance Learn More about Opto 22 g4 io family	Datasheet	1In Stock	Rp720.631 Rp610.005 Rp591.292 Rp575.514 View Rp521.577 Rp519.742 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Input - DC voltage, self-powered, normally open G4IDC5-SW Opto 22 1: Rp1.339.992 6In Stock	Mfr. Part No. G4IDC5-SW Mouser Part No 94-G4IDC5-SW	Opto 22	I/O Modules G4 DC Input - DC voltage, self-powered, normally open Learn More about Opto 22 g4 io family	Datasheet	6In Stock	Rp1.339.992 Rp1.206.800 Rp1.152.679 Rp1.124.977 Rp1.025.908	Min.: 1 Mult.: 1
I/O Modules G4 DC Input 4-16 VDC, 5VDC Logic High Speed G4IDC5B Opto 22 1: Rp663.208 10In Stock	Mfr. Part No. G4IDC5B Mouser Part No 94-G4IDC5B	Opto 22	I/O Modules G4 DC Input 4-16 VDC, 5VDC Logic High Speed Learn More about Opto 22 g4 io family	Datasheet	10In Stock	Rp663.208 Rp605.785 Rp580.467 Rp555.333 View Rp545.243 Rp529.282 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Input 2.5-28 VDC, 5 VDC Logic G4IDC5D Opto 22 1: Rp676.600 12In Stock	Mfr. Part No. G4IDC5D Mouser Part No 94-G4IDC5D	Opto 22	I/O Modules G4 DC Input 2.5-28 VDC, 5 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	12In Stock	Rp676.600 Rp616.609 Rp599.180 Rp582.302 View Rp555.150 Rp533.502 Quote	Min.: 1 Mult.: 1
I/O Modules G4 DC Input 2.5-16 VDC, 5 VDC Logic, Very High Speed G4IDC5K Opto 22 1: Rp643.027 15In Stock	Mfr. Part No. G4IDC5K Mouser Part No 94-G4IDC5K	Opto 22	I/O Modules G4 DC Input 2.5-16 VDC, 5 VDC Logic, Very High Speed Learn More about Opto 22 g4 io family	Datasheet	15In Stock	Rp643.027 Rp546.527 Rp546.344 Rp469.841	Min.: 1 Mult.: 1
I/O Modules G4 AC Output 12-140 VAC, 24 VDC Logic G4OAC24 Opto 22 1: Rp705.037 14In Stock	Mfr. Part No. G4OAC24 Mouser Part No 94-G4OAC24	Opto 22	I/O Modules G4 AC Output 12-140 VAC, 24 VDC Logic Learn More about Opto 22 g4 io family	Datasheet	14In Stock	Rp705.037 Rp611.472 Rp595.328 Rp521.577 View Rp519.742 Quote	Min.: 1 Mult.: 1
Modules Accessories G4 16-channel Mounting Rack with Header Connector G4PB16H Opto 22 1: Rp3.815.051 4In Stock	Mfr. Part No. G4PB16H Mouser Part No 94-G4PB16H	Opto 22	Modules Accessories G4 16-channel Mounting Rack with Header Connector Learn More about Opto 22 g4 io family	Datasheet	4In Stock	Rp3.815.051 Rp3.318.241 Rp3.303.931 View Quote	Min.: 1 Mult.: 1
Modules Accessories G4 16-channel I/O Module Rack Isolated Control G4PB16I Opto 22 1: Rp4.340.664 4In Stock	Mfr. Part No. G4PB16I Mouser Part No 94-G4PB16I	Opto 22	Modules Accessories G4 16-channel I/O Module Rack Isolated Control Learn More about Opto 22 g4 io family	Datasheet	4In Stock	Rp4.340.664 Rp3.847.340 Rp3.842.570	Min.: 1 Mult.: 1
Modules Accessories G4 16-channel I/O Module Rack with Terminal Strip G4PB16T Opto 22 1: Rp4.296.817 1In Stock 10Expected 05/10/2026	Mfr. Part No. G4PB16T Mouser Part No 94-G4PB16T	Opto 22	Modules Accessories G4 16-channel I/O Module Rack with Terminal Strip Learn More about Opto 22 g4 io family	Datasheet	1In Stock 10Expected 05/10/2026	Rp4.296.817 Rp3.964.387 Rp3.855.412 Rp3.811.198 View Quote	Min.: 1 Mult.: 1

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