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I/O Modules

I/O Modules are in stock with same-day shipping 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: 1,944

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Part #

I/O Modules 24-Ch Ethernet Thermocouple Input Module

ADAM-518E-A
Advantech
1: £648.67
1In Stock
8On Order
New Product

Mfr. Part No.
ADAM-518E-A

Mouser Part No
923-ADAM-518E-A

New Product

Advantech

I/O Modules 24-Ch Ethernet Thermocouple Input Module

Learn More

Datasheet

1In Stock

8On Order

£648.67

Min.: 1
Mult.: 1

Remote I/O Modules

10 V to 30 V

Screw

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
5On Order
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

5On Order

£175.68

Min.: 1
Mult.: 1

Wireless Remote I/O Modules

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

Wireless Remote I/O Modules

30 V

100 mA

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
26In Stock
39Expected 01/09/2026
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

26In Stock

39Expected 01/09/2026

£226.44

Min.: 1
Mult.: 1

Wireless Remote 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
12In 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

12In Stock

£128.92

Min.: 1
Mult.: 1

Wireless Remote 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
45In Stock
5Expected 21/09/2026
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

45In Stock

5Expected 21/09/2026

£214.72

Min.: 1
Mult.: 1

Wireless Remote I/O Modules

10 VDC to 50 VDC

Screw

I/O Modules X-417 industrial analog output controller with 4 analog output channels, browser-based setup, analog signal mirroring, voltage/current outputs, and open protocol integration. (standard Ethernet/DC-powered model).

X-417:4-I
ControlByWeb
1: £330.33
2In Stock
New Product

Mfr. Part No.
X-417:4-I

Mouser Part No
1035-X-417:4-I

New Product

ControlByWeb

Datasheet

2In Stock

£330.33

Min.: 1
Mult.: 1

Relay

I/O Modules X-417 industrial analog output controller with 3 analog output channels, browser-based setup, analog signal mirroring, voltage/current outputs, and open protocol integration. (standard Ethernet/DC-powered model).

X-417:3-I
ControlByWeb
1: £315.32
3In Stock
New Product

Mfr. Part No.
X-417:3-I

Mouser Part No
1035-X-417:3-I

New Product

ControlByWeb

Datasheet

3In Stock

£315.32

Min.: 1
Mult.: 1

Relay

I/O Modules X-417 industrial analog output controller with 1 analog output channel, browser-based setup, analog signal mirroring, voltage/current outputs, and open protocol integration. (standard Ethernet/DC-powered model).

X-417:1-I
ControlByWeb
1: £292.80
3In Stock
New Product

Mfr. Part No.
X-417:1-I

Mouser Part No
1035-X-417:1-I

New Product

ControlByWeb

Datasheet

3In Stock

£292.80

Min.: 1
Mult.: 1

Relay

I/O Modules X-417 industrial analog output controller with 2 analog output channels, browser-based setup, analog signal mirroring, voltage/current outputs, and open protocol integration. (standard Ethernet/DC-powered model).

X-417:2-I
ControlByWeb
1: £300.30
3In Stock
New Product

Mfr. Part No.
X-417:2-I

Mouser Part No
1035-X-417:2-I

New Product

ControlByWeb

Datasheet

3In Stock

£300.30

Min.: 1
Mult.: 1

Relay

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

FRUSB1601
Lantronix
1: £1,127.30
13In Stock

Mfr. Part No.
FRUSB1601

Mouser Part No
515-FRUSB1601

Lantronix

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

Datasheet

13In Stock

£1,127.30

Min.: 1
Mult.: 1

USB Modules

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

NX-DA2603
Omron Automation and Safety
1: £225.21
52In 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

52In Stock

£225.21

£214.35

£206.58

Min.: 1
Mult.: 1

Restricted Availability

Remote I/O Modules

I/O Modules 6-ch Current Input Codesys, EtherCAT Module

AMAX-5017C-A
Advantech
1: £144.15
2In Stock

Mfr. Part No.
AMAX-5017C-A

Mouser Part No
923-AMAX-5017C-A

Advantech

I/O Modules 6-ch Current Input Codesys, EtherCAT Module

Datasheet

2In Stock

£144.15

Min.: 1
Mult.: 1

I/O Modules 6-ch Voltage Input Codesys, EtherCAT Module

AMAX-5017V-A
Advantech
1: £144.15
4In Stock

Mfr. Part No.
AMAX-5017V-A

Mouser Part No
923-AMAX-5017V-A

Advantech

I/O Modules 6-ch Voltage Input Codesys, EtherCAT Module

Datasheet

4In Stock

£144.15

Min.: 1
Mult.: 1

I/O Modules SIMATIC ET 200SP, DIGITAL OUTPUT MODULE

6ES71326BF010CA0
Siemens
1: £181.87
6In Stock
New At Mouser

Mfr. Part No.
6ES71326BF010CA0

Mouser Part No
982-6ES71326BF010CA0

New At Mouser

Siemens

I/O Modules SIMATIC ET 200SP, DIGITAL OUTPUT MODULE

Learn More

Datasheet

6In Stock

£181.87

£152.02

£149.38

£147.83

View

Min.: 1
Mult.: 1

Distributed I/O Modules

19.2 V to 28.8 V

20 mA

24 V

500 mA

I/O Modules 0960 IOL 3816-001

935712001
Lumberg Automation
1: £156.35
2In Stock

Mfr. Part No.
935712001

Mouser Part No
566-935712001

Lumberg Automation

I/O Modules 0960 IOL 3816-001

Datasheet

2In Stock

£156.35

£145.25

£144.93

£144.79

View

Min.: 1
Mult.: 1

I/O Modules ET 200SP. DQ 16x24VDC/0.5A HF. PU 1

6ES71326BH000CA0
Siemens
1: £220.96
3In Stock
New At Mouser

Mfr. Part No.
6ES71326BH000CA0

Mouser Part No
982-6ES71326BH000CA0

New At Mouser

Siemens

I/O Modules ET 200SP. DQ 16x24VDC/0.5A HF. PU 1

Learn More

Datasheet

3In Stock

£220.96

Min.: 1
Mult.: 1

Distributed I/O Modules

19.2 V to 28.8 V

20 mA

24 V

500 mA

I/O Modules ET 200SP. F-DQ 4x24VDC/2A PM HF

6ES71366DB010CA0
Siemens
1: £453.79
11In Stock
New At Mouser

Mfr. Part No.
6ES71366DB010CA0

Mouser Part No
982-6ES71366DB010CA0

New At Mouser

Siemens

I/O Modules ET 200SP. F-DQ 4x24VDC/2A PM HF

11In Stock

£453.79

£428.12

Min.: 1
Mult.: 1

Distributed I/O Modules

I/O Modules 4-ch RTD Input Codesys, EtherCAT Module

AMAX-5015-A
Advantech
1: £164.42
2In Stock

Mfr. Part No.
AMAX-5015-A

Mouser Part No
923-AMAX-5015-A

Advantech

I/O Modules 4-ch RTD Input Codesys, EtherCAT Module

Datasheet

2In Stock

£164.42

Min.: 1
Mult.: 1

I/O Modules 16-ch Digital Output (Source) Codesys, EtherCAT Module

AMAX-5057SO-A2
Advantech
1: £77.33
5In Stock

Mfr. Part No.
AMAX-5057SO-A2

Mouser Part No
923-AMAX-5057SO-A2

Advantech

I/O Modules 16-ch Digital Output (Source) Codesys, EtherCAT Module

Datasheet

5In Stock

£77.33

Min.: 1
Mult.: 1

I/O Modules ET 200SP. DQ 4x24VDC/2A HF. PU 1

6ES71326BD210CA0
Siemens
1: £199.41
3In Stock
New At Mouser

Mfr. Part No.
6ES71326BD210CA0

Mouser Part No
982-6ES71326BD210CA0

New At Mouser

Siemens

I/O Modules ET 200SP. DQ 4x24VDC/2A HF. PU 1

Learn More

Datasheet

3In Stock

£199.41

£167.30

£164.39

£162.68

View

Min.: 1
Mult.: 1

Distributed I/O Modules

19.2 V to 28.8 V

20 mA

24 V

2 A

I/O Modules 16-Ch Source Type Isolated DO Module w/

ADAM-5056SO-AE
Advantech
1: £97.60
32In Stock Restricted Availability
29Expected 22/09/2026

Mfr. Part No.
ADAM-5056SO-AE

Mouser Part No
923-ADAM5056SOAE

Advantech

I/O Modules 16-Ch Source Type Isolated DO Module w/

Learn More

Datasheet

32In Stock

29Expected 22/09/2026

£97.60

Min.: 1
Mult.: 1

Restricted Availability

Remote I/O Modules

10 V to 35 V

200 mA

Screw

I/O Modules UR20-16DO-N

1315440000
Weidmuller
1: £130.14
21In Stock

Mfr. Part No.
1315440000

Mouser Part No
470-1315440000

Weidmuller

I/O Modules UR20-16DO-N

Learn More

Datasheet

21In Stock

£130.14

£108.50

£105.96

£104.55

View

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Digital

Push-In

I/O Modules UR20-1CNT-500

1315580000
Weidmuller
1: £253.02
7In Stock

Mfr. Part No.
1315580000

Mouser Part No
470-1315580000

Weidmuller

I/O Modules UR20-1CNT-500

Learn More

Datasheet

7In Stock

£253.02

£235.33

£225.51

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Push-In

I/O Modules UR20-4AI-RTD-DIAG

1315700000
Weidmuller
1: £298.58
27In Stock

Mfr. Part No.
1315700000

Mouser Part No
470-1315700000

Weidmuller

I/O Modules UR20-4AI-RTD-DIAG

Learn More

Datasheet

27In Stock

£298.58

£270.50

£262.00

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Push-In

I/O Modules

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AC/DC Input Modules
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Analog I/O Modules
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Distributed I/O Modules

0 V to 10 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
1 V, 3.5 V to 30 V
2 V, 4 V to 30 V
2.5 V, 10 V
2.5 VDC to 16 VDC
2.5 VDC to 28 VDC
2.75 V to 8 V
3 V to 15 V
3 V, 10 V to 50 V
3.3 V to 32 V
3.7 V to 32 V

0 A to 20 mA
0 A to 5 A
0 mA to 20 mA
15 uA
100 uA
130 uA
380 uA
500 uA
1 mA
1.5 mA
2 mA
2 mA to 10 mA
2.5 mA
3 mA
3.5 mA
4 mA to 20 mA
4.5 mA
5 mA
6 mA
6.5 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 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
2 V to 2.5 V, 0 V to 5 V, 0 V to 10 V
3 V to 15 V
3 V to 250 V
3 V to 60 V
3.3 V
3.3 V to 32 V
3.5 V to 30 V
4 V to 32 V
4.5 V to 30 V
5 V
5 V to 250 V

0 A to 20 mA
0 to 20 mA
100 uA
- 20 mA to 20 mA
1.5 mA
1.6 mA
3.5 mA
4 mA to 20 mA
9 mA
10 mA
12 mA
13 mA
15 mA
15 mA, 48 mA
16 mA
18 mA
20 mA
20 mA, 4 mA to 20 mA
22 mA
25 mA

AC
AC, DC
Analog
Analog, Digital
Analog, Solid State
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Analog Output
Current
Current, Digital
DC
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Digital Output Relays
NPN
Open Collector
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SPST-NC
SPST-NO