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

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Results: 3,196

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Part #

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))

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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 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))

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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
Lead-Time 10 Weeks
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))

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Datasheet

Lead-Time 10 Weeks

£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))

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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))

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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
10On Order
New Product

Mfr. Part No.
1507978

Mouser Part No
651-1507978

New Product

Phoenix Contact

I/O Modules AXL SE RS485 EF

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Datasheet

10On Order

£207.47

£192.70

Min.: 1
Mult.: 1

Communication Mdule

24 VDC

8 mA

Serial

Push-In

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

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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 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 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

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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 UR20-4AO-UI-16-M-DIAG

2453870000
Weidmuller
1: £274.39
6In Stock

Mfr. Part No.
2453870000

Mouser Part No
470-2453870000

Weidmuller

I/O Modules UR20-4AO-UI-16-M-DIAG

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Datasheet

6In Stock

£274.39

Min.: 1
Mult.: 1

I/O Modules

24 VDC

Analog

Push-In

I/O Modules AXL UTH 8

2688417
Phoenix Contact
1: £526.24
2In Stock

Mfr. Part No.
2688417

Mouser Part No
651-2688417

Phoenix Contact

I/O Modules AXL UTH 8

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Datasheet

2In Stock

£526.24

Min.: 1
Mult.: 1

I/O Modules IL MOD BK DI8 DO4-PAC

2878696
Phoenix Contact
1: £368.54
24In Stock

Mfr. Part No.
2878696

Mouser Part No
651-2878696

Phoenix Contact

I/O Modules IL MOD BK DI8 DO4-PAC

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Datasheet

24In Stock

£368.54

Min.: 1
Mult.: 1

Digital I/O Modules

24 V

3 mA

24 V

2 A

Green

Digital

Spring

I/O Modules TM3: 4 Ana IN & 2 Ana OUT Spring Term

TM3AM6G
Schneider Electric
1: £267.46
4In Stock

Mfr. Part No.
TM3AM6G

Mouser Part No
996-TM3AM6G

Schneider Electric

I/O Modules TM3: 4 Ana IN & 2 Ana OUT Spring Term

Datasheet

4In Stock

£267.46

£267.36

Min.: 1
Mult.: 1

I/O Modules AXL F DO64/1 2F

2702053
Phoenix Contact
1: £437.46
3In Stock

Mfr. Part No.
2702053

Mouser Part No
651-2702053

Phoenix Contact

I/O Modules AXL F DO64/1 2F

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Datasheet

3In Stock

£437.46

Min.: 1
Mult.: 1

Digital Output Modules

24 V

16 A

24 V

500 mA

Gray

Digital

Push-In

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 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 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 AXL F DI16/1 DO8/2-2A 2H

2702291
Phoenix Contact
1: £311.44
4In Stock

Mfr. Part No.
2702291

Mouser Part No
651-2702291

Phoenix Contact

I/O Modules AXL F DI16/1 DO8/2-2A 2H

Learn More

Datasheet

4In Stock

£311.44

Min.: 1
Mult.: 1

Digital I/O Modules

24 V

120 mA

I/O Modules NX 4Pt D/A 4-20m 1/8k 250us/pt

NX-DA3203
Omron Automation and Safety
1: £226.48
16In Stock Restricted Availability

Mfr. Part No.
NX-DA3203

Mouser Part No
653-NXDA3203

Omron Automation and Safety

I/O Modules NX 4Pt D/A 4-20m 1/8k 250us/pt

Datasheet

16In Stock

£226.48

Min.: 1
Mult.: 1

Restricted Availability

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

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
Digital Output Relays
Discrete Relay NO
No Output
NPN
NPN, PNP
Open Collector
PNP