.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, Omron, Opto 22, Phoenix Contact, Siemens, 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: 3,196

Applied Filters:

Manufacturer

Product

Input Voltage

Input Current

Output Voltage

Output Current

Case Colour

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 Temperature & Humidity Sensor (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger Watchdog; Peer-to-Peer (P2P))

WISE-4250-S232
Advantech
1: £128.92
8In Stock
New Product

Mfr. Part No.
WISE-4250-S232

Mouser Part No
923-WISE-4250-S232

New Product

Advantech

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band Temperature & Humidity Sensor (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger Watchdog; Peer-to-Peer (P2P))

Learn More

Datasheet

8In Stock

£128.92

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 4AI+4DI (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Burnout Detection; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S214
Advantech
1: £214.72
9In Stock
New Product

Mfr. Part No.
WISE-4250-S214

Mouser Part No
923-WISE-4250-S214

New Product

Advantech

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 4AI+4DI (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Burnout Detection; Watchdog; Peer-to-Peer (P2P))

Learn More

Datasheet

9In Stock

£214.72

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules PLC-V8R/PT-24DC/EM

1487020
Phoenix Contact
1: £180.61
3In Stock
New Product

Mfr. Part No.
1487020

Mouser Part No
651-1487020

New Product

Phoenix Contact

I/O Modules PLC-V8R/PT-24DC/EM

Datasheet

3In Stock

£180.61

£167.99

Min.: 1
Mult.: 1

Extension module

24 VDC

16 mA

Analog, Digital

Push-In

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 6DI+2DO+RS-485 (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S250
Advantech
1: £175.68
3In Stock
New Product

Mfr. Part No.
WISE-4250-S250

Mouser Part No
923-WISE-4250-S250

New Product

Advantech

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 6DI+2DO+RS-485 (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

Learn More

Datasheet

3In Stock

£175.68

Min.: 1
Mult.: 1

I/O Sensor Module

30 V

100 mA

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 6DI+RS-485 (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S251
Advantech
1: £171.78
4In Stock
New Product

Mfr. Part No.
WISE-4250-S251

Mouser Part No
923-WISE-4250-S251

New Product

Advantech

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 6DI+RS-485 (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

Learn More

Datasheet

4In Stock

£171.78

Min.: 1
Mult.: 1

I/O Sensor Module

30 V

100 mA

I/O Modules AXL SE RS485 EF

1507978
Phoenix Contact
1: £207.47
1In Stock
10Expected 18/05/2026
New Product

Mfr. Part No.
1507978

Mouser Part No
651-1507978

New Product

Phoenix Contact

I/O Modules AXL SE RS485 EF

Learn More

Datasheet

1In Stock

10Expected 18/05/2026

£207.47

£192.70

Min.: 1
Mult.: 1

Communication Mdule

24 VDC

8 mA

Serial

Push-In

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 12DI+12DO (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S252
Advantech
1: £226.44
7In Stock
4Expected 24/06/2026
New Product

Mfr. Part No.
WISE-4250-S252

Mouser Part No
923-WISE-4250-S252

New Product

Advantech

I/O Modules Industrial WiFi; 2.4/5GHz Dual-band I/O module; 12DI+12DO (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

Learn More

Datasheet

7In Stock

4Expected 24/06/2026

£226.44

Min.: 1
Mult.: 1

Digital I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules Robust 6-Ch RTD Input Module

ADAM-4115-C
Advantech
1: £346.11
4In Stock

Mfr. Part No.
ADAM-4115-C

Mouser Part No
923-ADAM-4115-C

Advantech

I/O Modules Robust 6-Ch RTD Input Module

Learn More

Datasheet

4In Stock

£346.11

Min.: 1
Mult.: 1

Analog Input Modules

10 VDC to 48 VDC

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: £836.55
1In Stock
New Product

Mfr. Part No.
0980 SSL 3031-121-007D-101

Mouser Part No
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

£836.55

£788.45

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: £836.55
1In Stock
New Product

Mfr. Part No.
0980 SSL 3131-121-007D-202

Mouser Part No
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

£836.55

£788.45

Min.: 1
Mult.: 1

I/O Modules

24 VDC

180 mA

Screw

I/O Modules IND I/O D21G

INDIOD21G
Industruino
1: £163.37
167In Stock

Mfr. Part No.
INDIOD21G

Mouser Part No
183-INDIOD21G

Industruino

I/O Modules IND I/O D21G

Learn More

Datasheet

167In Stock

£163.37

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 AXL F EX IS AI8 HART XC 1F

1052432
Phoenix Contact
1: £516.38
3In Stock

Mfr. Part No.
1052432

Mouser Part No
651-1052432

Phoenix Contact

I/O Modules AXL F EX IS AI8 HART XC 1F

Datasheet

3In Stock

£516.38

£484.44

Min.: 1
Mult.: 1

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

NX-DA2603
Omron Automation and Safety
1: £185.00
54In Stock Restricted Availability

Mfr. Part No.
NX-DA2603

Mouser Part No
653-NXDA2603

Omron Automation and Safety

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

Datasheet

54In Stock

£185.00

Min.: 1
Mult.: 1

Restricted Availability

I/O Modules AXL F AI8 W 1F

2702525
Phoenix Contact
1: £596.87
4In Stock

Mfr. Part No.
2702525

Mouser Part No
651-2702525

Phoenix Contact

I/O Modules AXL F AI8 W 1F

Learn More

Datasheet

4In Stock

£596.87

Min.: 1
Mult.: 1

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

1315550000
Weidmuller
1: £98.65
43In Stock

Mfr. Part No.
1315550000

Mouser Part No
470-1315550000

Weidmuller

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

Learn More

Datasheet

43In Stock

£98.65

£88.66

£86.65

Min.: 1
Mult.: 1

I/O Modules

24 VDC

Digital

Push-In

I/O Modules AXL AO 8

2688080
Phoenix Contact
1: £563.26
4In Stock

Mfr. Part No.
2688080

Mouser Part No
651-2688080

Phoenix Contact

I/O Modules AXL AO 8

Datasheet

4In Stock

£563.26

Min.: 1
Mult.: 1

I/O Modules NX 4Pt D/A +-10 1/30k 10us/pt

NX-DA3605
Omron Automation and Safety
1: £429.74
8In Stock Restricted Availability

Mfr. Part No.
NX-DA3605

Mouser Part No
653-NXDA3605

Omron Automation and Safety

I/O Modules NX 4Pt D/A +-10 1/30k 10us/pt

Datasheet

8In Stock

£429.74

Min.: 1
Mult.: 1

Restricted Availability

I/O Modules 32 Pt DC Input MIL Cntr

NX-ID6142-5
Omron Automation and Safety
1: £356.97
4In Stock Restricted Availability

Mfr. Part No.
NX-ID6142-5

Mouser Part No
653-NXID61425

Omron Automation and Safety

I/O Modules 32 Pt DC Input MIL Cntr

4In Stock

£356.97

Min.: 1
Mult.: 1

Restricted Availability

Digital Input Modules

19 V to 28.8 V

DIN Rail

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

G88405549
Carlo Gavazzi
1: £252.49
5In Stock

Mfr. Part No.
G88405549

Mouser Part No
225-G88405549

Carlo Gavazzi

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

Datasheet

5In Stock

£252.49

£239.86

£232.29

£224.71

Min.: 1
Mult.: 1

I/O Modules UR20-4DO-P-2A

1315230000
Weidmuller
1: £76.13
42In Stock

Mfr. Part No.
1315230000

Mouser Part No
470-1315230000

Weidmuller

I/O Modules UR20-4DO-P-2A

Learn More

Datasheet

42In Stock

£76.13

£66.95

£64.38

£63.63

£63.26

Min.: 1
Mult.: 1

I/O Modules

24 VDC

Digital

Push-In

I/O Modules 16 Device Port RJ45 I/O Module

FRRJ451601
Lantronix
1: £1,127.30
2In Stock

Mfr. Part No.
FRRJ451601

Mouser Part No
515-FRRJ451601

Lantronix

I/O Modules 16 Device Port RJ45 I/O Module

Datasheet

2In Stock

£1,127.30

Min.: 1
Mult.: 1

I/O Modules Process Indicator 24VAC/VDC DC Volt

K3HB-XVD 24VAC/VDC
Omron Automation and Safety
1: £436.73
3In Stock

Mfr. Part No.
K3HB-XVD 24VAC/VDC

Mouser Part No
653-K3HB-XVD24VACVDC

Omron Automation and Safety

I/O Modules Process Indicator 24VAC/VDC DC Volt

Datasheet

3In Stock

£436.73

Min.: 1
Mult.: 1

I/O Modules SAFETY MODULE UAT Cat.4 48-230V SCREW

XPSUAT33A3AP
Schneider Electric
1: £375.69
10In Stock

Mfr. Part No.
XPSUAT33A3AP

Mouser Part No
996-XPSUAT33A3AP

Schneider Electric

I/O Modules SAFETY MODULE UAT Cat.4 48-230V SCREW

Learn More

Datasheet

10In Stock

£375.69

£362.47

Min.: 1
Mult.: 1

I/O Modules UR20-16DI-N

1315390000
Weidmuller
1: £96.15
31In Stock

Mfr. Part No.
1315390000

Mouser Part No
470-1315390000

Weidmuller

I/O Modules UR20-16DI-N

Learn More

Datasheet

31In Stock

£96.15

£85.23

£79.83

£76.11

£74.28

Min.: 1
Mult.: 1

I/O Modules

24 VDC

Push-In

I/O Modules SOLID STATE RELAY (I/O MODULE)

DR-IAC24
Crydom
1: £53.94
32In Stock

Mfr. Part No.
DR-IAC24

Mouser Part No
558-DR-IAC24

Crydom

I/O Modules SOLID STATE RELAY (I/O MODULE)

Datasheet

Product Comments

32In Stock

£53.94

£49.05

£47.60

Min.: 1
Mult.: 1

Analog Input Modules

90 V to 140 V

6 mA

30 V

50 mA

Yellow

DIN Rail

I/O Modules

Customer Service Office

Company

Resources

Support

ADLINK Technology
Advantech
Altech
Banner Engineering
Carlo Gavazzi
Crouzet
Delta Electronics
DFRobot
Digilent
Eaton
Eurotech
Fluke
Grayhill
HARTING
HMS Networks
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
Panasonic
Phoenix Contact
ProSoft Technology
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
8-Ch AC/DC Output 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
- 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
2.5 V, 10 V
2.5 VDC

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
380 uA
500 uA
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
3.5 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 V to 5 V, 0 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,
0 VDC to 10 VDC, +/- 5 VDC, +/- 10 VDC
0 VDC to 40 VDC
0 VDC to 5 VDC
500 mV to 3.8 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
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
15 mA, 48 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