.hide-partial { max-height: none; } .show-more { display: none; }

I/O Modules

I/O Modules are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many I/O module manufacturers including Advantech, Grayhill, Phoenix Contact, Schneider Electric, Weidmuller & more.
More...

Please view our large selection of I/O modules below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 2,612

Applied Filters:

Manufacturer

Product

Input Voltage

Input Current

Output Voltage

Output Current

Case Color

Output Type

Termination Style

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, 4AI+4DI

WISE-4250-S214
Advantech
1: $426.25
6In Stock
New Product

Mfr. Part #
WISE-4250-S214

Mouser Part #
923-WISE-4250-S214

New Product

Advantech

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, 4AI+4DI

Learn More

Datasheet

6In Stock

$426.25

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, 12DI+12DO, MQTT & Modbus/TCP, built-in data logger, WPA3 security

WISE-4250-S252
Advantech
1: $449.50
12In Stock
New Product

Mfr. Part #
WISE-4250-S252

Mouser Part #
923-WISE-4250-S252

New Product

Advantech

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, 12DI+12DO, MQTT & Modbus/TCP, built-in data logger, WPA3 security

Learn More

Datasheet

12In Stock

$449.50

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules AXL SE RS485 EF

1507978
Phoenix Contact
1: $428.33
2In Stock
6Expected 2026-02-27
New Product

Mfr. Part #
1507978

Mouser Part #
651-1507978

New Product

Phoenix Contact

I/O Modules AXL SE RS485 EF

Learn More

Datasheet

2In Stock

6Expected 2026-02-27

$428.33

$397.82

Min.: 1
Mult.: 1

Communication Mdule

24 VDC

8 mA

Serial

Push-In

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, Temperature & Humidity Sensor, MQTT & Modbus/TCP, built-in data logger, WPA3 security

WISE-4250-S232
Advantech
1: $255.91
5In Stock
New Product

Mfr. Part #
WISE-4250-S232

Mouser Part #
923-WISE-4250-S232

New Product

Advantech

I/O Modules Industrial WiFi, 2.4/5GHz Dual-band module, Temperature & Humidity Sensor, MQTT & Modbus/TCP, built-in data logger, WPA3 security

Learn More

Datasheet

5In Stock

$255.91

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules AXL E IOL DI8 M12 3M

1480996
Phoenix Contact
1: $230.56
4In Stock
New Product

Mfr. Part #
1480996

Mouser Part #
651-1480996

New Product

Phoenix Contact

I/O Modules AXL E IOL DI8 M12 3M

Learn More

Datasheet

4In Stock

$230.56

Min.: 1
Mult.: 1

Digital Modules

18 VDC to 30 VDC

2.5 mA

24 VDC

500 mA

Connector

I/O Modules IC70 IP20 Series: 16 Channel Discrete NPN IO-Link Hub; IO-Link Interface; Screw Terminal Connections

IC70-16N-K
Banner Engineering
1: $237.15
3In Stock
New Product

Mfr. Part #
IC70-16N-K

Mouser Part #
778-IC70-16N-K

New Product

Banner Engineering

I/O Modules IC70 IP20 Series: 16 Channel Discrete NPN IO-Link Hub; IO-Link Interface; Screw Terminal Connections

Learn More

Datasheet

3In Stock

$237.15

Min.: 1
Mult.: 1

I/O Modules

NPN

Screw

I/O Modules AXL SE AO4 U -10-10

1487835
Phoenix Contact
1: $283.06
1In Stock
14Expected 2026-03-02
New Product

Mfr. Part #
1487835

Mouser Part #
651-1487835

New Product

Phoenix Contact

I/O Modules AXL SE AO4 U -10-10

Learn More

Datasheet

1In Stock

14Expected 2026-03-02

$283.06

Min.: 1
Mult.: 1

Axioline Smart Elements

19.2 VDC to 30 VDC

80 mA

- 10 V to 10 V

Analog

Push-In

I/O Modules 16 Device Port USB I/O Module

FRUSB1601
Lantronix
1: $2,225.96
16In Stock

Mfr. Part #
FRUSB1601

Mouser Part #
515-FRUSB1601

Lantronix

I/O Modules 16 Device Port USB I/O Module

Datasheet

16In Stock

$2,225.96

Min.: 1
Mult.: 1

I/O Modules LioN-Safety 8/4-F-DI 4-F-DO 2-IOLM M12 PROFInet / PROFIsafe , M12 L-coded Power Supply, Metal 60mm, IoT Protocols (OPC UA, MQTT, CoAP, REST)

0980 SSL 3031-121-007D-101
Lumberg Automation
1: $1,727.07
1In Stock
New Product

Mfr. Part #
0980 SSL 3031-121-007D-101

Mouser Part #
566-0980SSL3031-101

New Product

Lumberg Automation

I/O Modules LioN-Safety 8/4-F-DI 4-F-DO 2-IOLM M12 PROFInet / PROFIsafe , M12 L-coded Power Supply, Metal 60mm, IoT Protocols (OPC UA, MQTT, CoAP, REST)

Datasheet

1In Stock

$1,727.07

$1,626.29

Min.: 1
Mult.: 1

I/O Modules

24 VDC

180 mA

Screw

I/O Modules LioN-Safety 8/4-F-DI 4-F-DO 2-IOLM M12 EtherNet/IP / CIP Safety , M12 L-coded Power Supply, Metal 60mm, IoT Protocols (OPC UA, MQTT, CoAP, REST)

0980 SSL 3131-121-007D-202
Lumberg Automation
1: $1,727.07
1In Stock
New Product

Mfr. Part #
0980 SSL 3131-121-007D-202

Mouser Part #
566-0980SSL3131-202

New Product

Lumberg Automation

I/O Modules LioN-Safety 8/4-F-DI 4-F-DO 2-IOLM M12 EtherNet/IP / CIP Safety , M12 L-coded Power Supply, Metal 60mm, IoT Protocols (OPC UA, MQTT, CoAP, REST)

Datasheet

1In Stock

$1,727.07

$1,626.29

Min.: 1
Mult.: 1

I/O Modules

24 VDC

180 mA

Screw

I/O Modules IND I/O D21G

INDIOD21G
Industruino
1: $337.30
195In Stock

Mfr. Part #
INDIOD21G

Mouser Part #
183-INDIOD21G

Industruino

I/O Modules IND I/O D21G

Learn More

Datasheet

195In Stock

$337.30

Min.: 1
Mult.: 1

Digital I/O Modules

3.3 V to 28 V

20 mA

8 V to 28 V

2.3 A

DIN Rail

I/O Modules CMU2C ????????? (Rack)(CANbus)

CMU2C-R-C##
MEAN WELL
1: $1,293.89
4In Stock

Mfr. Part #
CMU2C-R-C##

Mouser Part #
709-CMU2C-R-C##

MEAN WELL

I/O Modules CMU2C ????????? (Rack)(CANbus)

Learn More

Datasheet

4In Stock

$1,293.89

$1,131.50

Min.: 1
Mult.: 1

I/O Modules NX 2Pt D/A +-10 1/8k 250us/pt

NX-DA2603
Omron Automation and Safety
1: $345.65
63In Stock

Mfr. Part #
NX-DA2603

Mouser Part #
653-NXDA2603

Omron Automation and Safety

I/O Modules NX 2Pt D/A +-10 1/8k 250us/pt

Datasheet

63In Stock

$345.65

Min.: 1
Mult.: 1

I/O Modules CMU2C ?????????(PMbus)

CMU2C-P##
MEAN WELL
1: $1,021.42
4In Stock

Mfr. Part #
CMU2C-P##

Mouser Part #
709-CMU2C-P##

MEAN WELL

I/O Modules CMU2C ?????????(PMbus)

Learn More

Datasheet

4In Stock

$1,021.42

$940.74

View

Min.: 1
Mult.: 1

I/O Modules

0960 IOL 381-001
Lumberg Automation
1: $260.73
3In Stock
New At Mouser

Mfr. Part #
0960 IOL 381-001

Mouser Part #
566-0960IOL381-001

New At Mouser

Lumberg Automation

I/O Modules

Datasheet

3In Stock

$260.73

$250.51

$248.64

$245.19

View

Min.: 1
Mult.: 1

I/O Hubs

Gray Metallic

I/O Modules 16pt. RELAY OUT CJ1

CJ1W-OC211
Omron Automation and Safety
1: $888.48
58In Stock

Mfr. Part #
CJ1W-OC211

Mouser Part #
653-CJ1W-OC211

Omron Automation and Safety

I/O Modules 16pt. RELAY OUT CJ1

Datasheet

58In Stock

$888.48

Min.: 1
Mult.: 1

Relay

I/O Modules CUBE20 DIGITAL IN-/OUTPUT MODULE, 16 digital inputs and 16 digital outputs, Cube20 DI16 DO16

56168
Murrelektronik
1: $893.58
4In Stock

Mfr. Part #
56168

Mouser Part #
867-56168

Murrelektronik

I/O Modules CUBE20 DIGITAL IN-/OUTPUT MODULE, 16 digital inputs and 16 digital outputs, Cube20 DI16 DO16

Datasheet

4In Stock

$893.58

Min.: 1
Mult.: 1

Interface Modules

24 V

700 mA

500 mA

Digital

Spring Terminal

I/O Modules iR-ETN40P - Ethernet I/O Module w/onboard I/O

iR-ETN40P
Weintek
Shipping Restricted
New At Mouser

Mfr. Part #
iR-ETN40P

Mouser Part #
35-IR-ETN40P

New At Mouser

Weintek

I/O Modules iR-ETN40P - Ethernet I/O Module w/onboard I/O

Learn More

Datasheet

Shipping Restricted

I/O Modules

15 VDC to 28 VDC

350 mA

11 VDC to 28 VDC

4 A

Digital

DIN Rail

I/O Modules Robust 6-Ch RTD Input Module

ADAM-4115-C
Advantech
1: $714.55
4Expected 2026-03-30

Mfr. Part #
ADAM-4115-C

Mouser Part #
923-ADAM-4115-C

Advantech

I/O Modules Robust 6-Ch RTD Input Module

Learn More

Datasheet

4Expected 2026-03-30

$714.55

Min.: 1
Mult.: 1

Analog Input Modules

10 VDC to 48 VDC

I/O Modules Ethernet I/O Module

iR-ETN40R
Weintek
Shipping Restricted
New At Mouser

Mfr. Part #
iR-ETN40R

Mouser Part #
35-IR-ETN40R

New At Mouser

Weintek

I/O Modules Ethernet I/O Module

Learn More

Datasheet

Shipping Restricted

I/O Modules

15 VDC to 28 VDC

520 mA

250 VAC / 30 VDC

8 A

Analog, Digital

DIN Rail

I/O Modules AXL F AI8 W 1F

2702525
Phoenix Contact
1: $1,232.25
4In Stock

Mfr. Part #
2702525

Mouser Part #
651-2702525

Phoenix Contact

I/O Modules AXL F AI8 W 1F

Learn More

Datasheet

4In Stock

$1,232.25

Min.: 1
Mult.: 1

I/O Modules DUPLINE SAFE SIL3 1CH TX CONNECTOR

GS75102192-1
Carlo Gavazzi
1: $803.99
4In Stock
3On Order

Mfr. Part #
GS75102192-1

Mouser Part #
225-GS75102192-1

Carlo Gavazzi

I/O Modules DUPLINE SAFE SIL3 1CH TX CONNECTOR

Datasheet

4In Stock

3On Order

$803.99

$763.78

$739.66

$715.54

Min.: 1
Mult.: 1

I/O Modules DUP DIG TRANC 1-OUT 4-IN

G88405549
Carlo Gavazzi
1: $521.27
5In Stock

Mfr. Part #
G88405549

Mouser Part #
225-G88405549

Carlo Gavazzi

I/O Modules DUP DIG TRANC 1-OUT 4-IN

Datasheet

5In Stock

$521.27

$495.19

$479.55

$463.92

Min.: 1
Mult.: 1

I/O Modules AXL P EX IS AO4 HART 1F

1087082
Phoenix Contact
1: $946.71
5In Stock

Mfr. Part #
1087082

Mouser Part #
651-1087082

Phoenix Contact

I/O Modules AXL P EX IS AO4 HART 1F

Learn More

Datasheet

5In Stock

$946.71

Min.: 1
Mult.: 1

Digital Output Modules

19.2 V DC to 30 V DC

160 mA

99 mA

Gray

Push-In

I/O Modules UR20-4RO-CO-255

1315550000
Weidmuller
1: $203.56
48In Stock

Mfr. Part #
1315550000

Mouser Part #
470-1315550000

Weidmuller

I/O Modules UR20-4RO-CO-255

Learn More

Datasheet

48In Stock

$203.56

$197.05

$190.15

$183.24

View

Min.: 1
Mult.: 1

I/O Modules

24 VDC

Digital

Push-In

I/O Modules

Mouser Electronics®

Company

Resources

Support

ADLINK Technology
Advantech
Altech
Banner Engineering
Carlo Gavazzi
Crouzet
Delta Electronics
DFRobot
Digilent
Eaton
Eurotech
Fluke
Grayhill
HARTING
IBASE
IDEC
igus
Industrial Shields
Industruino
Innodisk
Keithley Instruments, Inc.
KUNBUS
Lantronix
L-Com
Littelfuse
Lumberg Automation
M5Stack
MEAN WELL
Molex
Murrelektronik
Nexcom
Omron
Opto 22
Phoenix Contact
RF Solutions
Schneider Electric
Seeed Studio
Sensata
Sfera Labs
Siemens
Staco
Switchcraft
TE Connectivity
Weidmuller
Weintek

12-Ch Analog Output Modules
12-Ch Digital Input Modules
12-Ch Digital Output Modules
16-Ch Digital Input Modules
1-Ch Analog Output Modules
24-Ch AC/DC Input Modules
24-Ch Analog Input Modules
24-Ch Digital Input Modules
2-Ch Analog Input Modules
2-Ch Analog Output Modules
2-Ch Digital Output Modules
32-Ch Analog Input Modules
32-Ch Digital Input Modules
32-Ch Digital Output Modules
4-Ch AC/DC Input Modules
4-Ch Analog Input Modules
4-Ch DC Input Modules
4-Ch Digital Input Modules
4-Ch Digital Output Modules
4-Ch I/O Modules

0 V to 10 V
0 V to 10 V, 19.2 VDC to 30 VDC
0 V to 250 V
0 V to 3 V, 10 V to 30 V
0 V to 500 mV, 0 V to 1 V, 0 V to 5 V, 0 V to 10 V
0 VDC to 10 VDC
0 VDC to 100 mVDC
0 VDC to 5 VDC
0 VDC to 50 mVDC
15 mV, 50 mV, 100 mV, 500 mV, 1 V, 2.5 V
150 mV, 500 mV, 1 V, 5 V, 10 V
800 mV to 2 V
800 mV, 2 V
800 mV, 2.4 V
- 10 VDC to - 32 VDC
- 2.5 VDC to - 12 VDC
1 V, 3.5 V to 30 V
2 V, 4 V to 30 V
2 VAC to 16 VAC, 2 VDC to 16 VDC
2.5 V

0 A to 10 A
0 A to 10 mA
0 A to 100 mA
0 A to 20 mA
0 A to 5 A
0 mA to 20 mA
15 uA
100 uA
0.38 mA
500 uA
+/- 1 mA
1 mA
1.5 mA
2 mA
2 mA to 10 mA
2.3 mA
2.4 mA
2.5 mA
2.7 mA
3 mA

0 V to 10 V
0 V to 10 V, 1 V to 5 V, - 5 V to 5 V, - 10 V to 10 V
0 VAC to 130 VAC, 0 VDC to 100 VDC
0 VAC to 250 VAC, 5 VDC to 30 VDC
0 VDC to 10 VDC
0 VDC to 10 VDC, +/- 5 VDC, +/- 10 VDC
0 VDC to 40 VDC
0 VDC to 5 VDC
440 mV, 3.76 V
500 mV to 3.8 V
500 mV, 2.4 V
- 10 V to 10 V
1 V to 100 V
1 V to 50 V
1.2 V
2 V
2 V to 2.5 V, 0 V to 5 V, 0 V to 10 V
2.5 VDC to 24 VDC
3 V
3 V to 15 V

0 A to 20 mA
100 uA
- 20 mA to 20 mA
1.5 mA
1.6 mA
3 mA
3.2 mA
3.5 mA
+/- 4 mA to +/- 20 mA
4 mA to 20 mA
5 mA
8 mA
9 mA
10 mA
10 mA/500 mA
11 mA
12 mA
13 mA
+/- 14 mA to +/- 17 mA
15 mA

2 Output
AC
AC, DC
Analog
Analog, Digital
Analog, Solid State
Analog Input
Analog Output
Current
Current, Digital
DC
Digital
Digital Output
Discrete Relay NO
No Output
NPN
NPN, PNP
Open Collector
PNP
PNP, NPN