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G1 I/O Family

Opto 22 G1 I/O Family features digital and analog I/O modules that use a red-black-yellow-white color-coding scheme. The G1 product lineup includes not only I/O modules but also sensors, controllers, switches, and cables. The digital I/O modules with plug-in racks are ideal for microprocessor-based control. The optically isolated analog I/O modules with intelligent racks are designed for computer-based automation. The Opto 22 G1 products are guaranteed for life.

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Part #

I/O Modules G1 AC Digital Input, 180-280 VAC, 5 VDC Logic

IAC5A
Opto 22
1: $37.672
2In Stock

Mfr. Part #
IAC5A

Mouser Part #
94-IAC5A

Opto 22

I/O Modules G1 AC Digital Input, 180-280 VAC, 5 VDC Logic

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Datasheet

2In Stock

$37.672

$32.928

$32.445

$29.900

Min.: 1
Mult.: 1

I/O Modules Flat Pak Input Module, 90-140 VAC/VDC

IAC5P
Opto 22
1: $33.602
1In Stock

Mfr. Part #
IAC5P

Mouser Part #
94-IAC5P

Opto 22

I/O Modules Flat Pak Input Module, 90-140 VAC/VDC

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Datasheet

1In Stock

$33.602

$29.773

$28.553

$27.975

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Min.: 1
Mult.: 1

I/O Modules Quad Pak 4-channel AC/DC Input 90-140 VAC/VDC, 5 VDC Logic

IAC5Q
Opto 22
1: $131.104
7In Stock

Mfr. Part #
IAC5Q

Mouser Part #
94-IAC5Q

Opto 22

I/O Modules Quad Pak 4-channel AC/DC Input 90-140 VAC/VDC, 5 VDC Logic

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Datasheet

7In Stock

$131.104

$116.653

$115.328

$113.309

$105.169

Min.: 1
Mult.: 1

Temperature Sensors - Industrial Temperature Probe For ICTD Analog Input Modules

ICTD
Opto 22
1: $100.983
4In Stock

Mfr. Part #
ICTD

Mouser Part #
94-ICTD

Opto 22

Temperature Sensors - Industrial Temperature Probe For ICTD Analog Input Modules

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Datasheet

4In Stock

$100.983

$91.318

$89.057

$86.880

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Min.: 1
Mult.: 1

I/O Modules G1 DC or AC Digital Input, 10-32 VDC or 12-32 VAC, 24 VDC Logic

IDC24
Opto 22
1: $38.692
41In Stock

Mfr. Part #
IDC24

Mouser Part #
94-IDC24

Opto 22

I/O Modules G1 DC or AC Digital Input, 10-32 VDC or 12-32 VAC, 24 VDC Logic

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Datasheet

41In Stock

$38.692

$34.779

$32.992

$31.666

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Min.: 1
Mult.: 1

I/O Modules G1 DC Digital Input, 2.5-28 VDC, 5 VDC Logic

IDC5D
Opto 22
1: $33.212
16In Stock

Mfr. Part #
IDC5D

Mouser Part #
94-IDC5D

Opto 22

I/O Modules G1 DC Digital Input, 2.5-28 VDC, 5 VDC Logic

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Datasheet

16In Stock

$33.212

$30.552

$30.078

$29.090

$25.966

Min.: 1
Mult.: 1

I/O Modules G1 DC or AC Digital Input, 35-60 VDC/VAC, 5 VDC Logic

IDC5G
Opto 22
1: $39.396
1In Stock

Mfr. Part #
IDC5G

Mouser Part #
94-IDC5G

Opto 22

I/O Modules G1 DC or AC Digital Input, 35-60 VDC/VAC, 5 VDC Logic

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Datasheet

1In Stock

$39.396

$33.644

$33.307

$28.595

Min.: 1
Mult.: 1

I/O Modules G1 AC Digital Output, 12-140 VAC, 15 VDC Logic

OAC15
Opto 22
1: $36.578
17In Stock

Mfr. Part #
OAC15

Mouser Part #
94-OAC15

Opto 22

I/O Modules G1 AC Digital Output, 12-140 VAC, 15 VDC Logic

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Datasheet

17In Stock

$36.578

$32.098

$31.414

$30.909

$27.281

Min.: 1
Mult.: 1

I/O Modules G1 AC Digital Output 24-280 VAC, 24 VDC Logic, High Current

OAC24H
Opto 22
1: $34.338
1In Stock

Mfr. Part #
OAC24H

Mouser Part #
94-OAC24H

Opto 22

I/O Modules G1 AC Digital Output 24-280 VAC, 24 VDC Logic, High Current

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Datasheet

1In Stock

$34.338

$32.466

$31.961

$31.488

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Min.: 1
Mult.: 1

I/O Modules G1 AC Digital Output, 12-140 VAC, 5 VDC Logic

OAC5
Opto 22
1: $35.389
17In Stock

Mfr. Part #
OAC5

Mouser Part #
94-OAC5

Opto 22

I/O Modules G1 AC Digital Output, 12-140 VAC, 5 VDC Logic

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Datasheet

17In Stock

$35.389

$31.992

$31.098

$30.709

$27.281

Min.: 1
Mult.: 1

I/O Modules DC Output, 5-60 VDC, 15 VDC Logic

ODC15
Opto 22
1: $37.766
3In Stock

Mfr. Part #
ODC15

Mouser Part #
94-ODC15

Opto 22

I/O Modules DC Output, 5-60 VDC, 15 VDC Logic

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Datasheet

3In Stock

$37.766

$32.098

$31.004

$27.281

Min.: 1
Mult.: 1

I/O Modules Flat Pak output module, 5-60 VDC

ODC5P
Opto 22
1: $35.621
6In Stock

Mfr. Part #
ODC5P

Mouser Part #
94-ODC5P

Opto 22

I/O Modules Flat Pak output module, 5-60 VDC

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Datasheet

6In Stock

$35.621

$30.162

$29.395

$28.764

$25.966

Min.: 1
Mult.: 1

Modules Accessories G1 16-channel I/O Module Rack

PB16A
Opto 22
1: $229.710
4In Stock

Mfr. Part #
PB16A

Mouser Part #
94-PB16A

Opto 22

Modules Accessories G1 16-channel I/O Module Rack

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Datasheet

4In Stock

$229.710

$205.858

$204.796

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Min.: 1
Mult.: 1

Modules Accessories G1 4-channel I/O Module Rack with 2 Barrier Strips

PB4
Opto 22
1: $89.751
3In Stock

Mfr. Part #
PB4

Mouser Part #
94-PB4

Opto 22

Modules Accessories G1 4-channel I/O Module Rack with 2 Barrier Strips

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Datasheet

3In Stock

$89.751

$79.182

$74.134

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Min.: 1
Mult.: 1

Modules Accessories G1 4-channel Rack with Header Connector

PB4H
Opto 22
1: $128.874
5In Stock

Mfr. Part #
PB4H

Mouser Part #
94-PB4H

Opto 22

Modules Accessories G1 4-channel Rack with Header Connector

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Datasheet

5In Stock

$128.874

$114.455

$109.733

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Min.: 1
Mult.: 1

Modules Accessories G1 8-channel I/O Module Rack

PB8
Opto 22
1: $168.533
5In Stock

Mfr. Part #
PB8

Mouser Part #
94-PB8

Opto 22

Modules Accessories G1 8-channel I/O Module Rack

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Datasheet

5In Stock

$168.533

$155.671

$155.093

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Min.: 1
Mult.: 1

Modules Accessories G1 8-channel Rack with Header Connector

PB8H
Opto 22
1: $164.611
1In Stock

Mfr. Part #
PB8H

Mouser Part #
94-PB8H

Opto 22

Modules Accessories G1 8-channel Rack with Header Connector

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Datasheet

1In Stock

$164.611

$163.180

$161.403

$159.510

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Min.: 1
Mult.: 1

I/O Modules G1 Type T Thermocouple Input, Isolated

AD18T
Opto 22
1: $325.456
4Expected 9/2/2026

Mfr. Part #
AD18T

Mouser Part #
94-AD18T

Opto 22

I/O Modules G1 Type T Thermocouple Input, Isolated

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Datasheet

4Expected 9/2/2026

$325.456

$325.446

$322.669

Min.: 1
Mult.: 1

Modules Accessories Quad Pak 8-module Rack with Header Connector for G4EB2 or B4 Brain

PB32HQ
Opto 22
1: $381.816
1Expected 8/24/2026

Mfr. Part #
PB32HQ

Mouser Part #
94-PB32HQ

Opto 22

Modules Accessories Quad Pak 8-module Rack with Header Connector for G4EB2 or B4 Brain

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Datasheet

1Expected 8/24/2026

$381.816

Min.: 1
Mult.: 1

I/O Modules G1 AC Digital Input, 90-140 VAC, 15 VDC Logic

IAC15
Opto 22
1: $37.514
7Expected 9/8/2026

Mfr. Part #
IAC15

Mouser Part #
94-IAC15

Opto 22

I/O Modules G1 AC Digital Input, 90-140 VAC, 15 VDC Logic

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Datasheet

7Expected 9/8/2026

$37.514

$35.169

$34.117

$33.286

$29.900

Min.: 1
Mult.: 1

I/O Modules G1 0 to +5 VDC Analog Input, Isolated

AD6T
Opto 22
1: $282.947
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AD6T

Mouser Part #
94-AD6T

Opto 22

I/O Modules G1 0 to +5 VDC Analog Input, Isolated

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Datasheet

Non-Stocked Lead-Time 6 Weeks

$282.947

$282.652

$279.602

Min.: 1
Mult.: 1

I/O Modules G1 0 to 50 mV Analog Input, Isolated

AD9T
Opto 22
1: $321.354
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AD9T

Mouser Part #
94-AD9T

Opto 22

I/O Modules G1 0 to 50 mV Analog Input, Isolated

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Datasheet

Non-Stocked Lead-Time 6 Weeks

$321.354

$314.466

$310.974

Min.: 1
Mult.: 1

I/O Modules G1 AC Digital Input 180-280 VAC, 15 VDC Logic

IAC15A
Opto 22
1: $40.027
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
IAC15A

Mouser Part #
94-IAC15A

Opto 22

I/O Modules G1 AC Digital Input 180-280 VAC, 15 VDC Logic

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Datasheet

Non-Stocked Lead-Time 4 Weeks

$40.027

$37.745

$36.010

$35.337

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Min.: 1
Mult.: 1

Modules Accessories G1 16-channel I/O Module Rack with 2 Barrier Strips

PB16T
Opto 22
1: $247.715
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
PB16T

Mouser Part #
94-PB16T

Opto 22

Modules Accessories G1 16-channel I/O Module Rack with 2 Barrier Strips

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Datasheet

Non-Stocked Lead-Time 6 Weeks

$247.715

$242.983

$240.406

$238.713

View

Min.: 1
Mult.: 1

Modules Accessories G1 24-channel I/O Module Rack

PB24
Opto 22
1: $320.124
Lead-Time 4 Weeks

Mfr. Part #
PB24

Mouser Part #
94-PB24

Opto 22

Modules Accessories G1 24-channel I/O Module Rack

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Datasheet

Lead-Time 4 Weeks

$320.124

$276.237

Min.: 1
Mult.: 1

G1 I/O Family

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