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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: 1,914

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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: $237.74
9In Stock
3Expected 2026-07-01
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 Temperature & Humidity Sensor (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger Watchdog; Peer-to-Peer (P2P))

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Datasheet

9In Stock

3Expected 2026-07-01

$237.74

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: $396.00
16In Stock
18Expected 2026-07-01
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 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

16In Stock

18Expected 2026-07-01

$396.00

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; 12DI+12DO (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S252
Advantech
1: $417.60
32In Stock
21On Order
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 I/O module; 12DI+12DO (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

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Datasheet

32In Stock

21On Order

$417.60

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; 6DI+2DO+RS-485 (WPA3/TLS1.3 security; MQTT; Modbus/TCP; Data logger; Watchdog; Peer-to-Peer (P2P))

WISE-4250-S250
Advantech
1: $324.00
4In Stock
2Expected 2026-07-21
New Product

Mfr. Part #
WISE-4250-S250

Mouser Part #
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

4In Stock

2Expected 2026-07-21

$324.00

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: $316.80
4In Stock
New Product

Mfr. Part #
WISE-4250-S251

Mouser Part #
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

$316.80

Min.: 1
Mult.: 1

Wireless Remote I/O Modules

30 V

100 mA

I/O Modules LOGO! DM8 230R expansion module, power supply / I/O: 230 V/230 V/relay, 2 MW, 4 DI/4 DO for LOGO! 9

6ED10551FB000BA3
Siemens
1: $220.88
4In Stock
New Product

Mfr. Part #
6ED10551FB000BA3

Mouser Part #
982-6ED10551FB000BA3

New Product

Siemens

I/O Modules LOGO! DM8 230R expansion module, power supply / I/O: 230 V/230 V/relay, 2 MW, 4 DI/4 DO for LOGO! 9

Learn More

Datasheet

4In Stock

$220.88

$206.47

$199.24

$192.02

Min.: 1
Mult.: 1

Expansion Modules

230 VAC/DC

130 uA

5 A

Digital

Screw

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

NX-DA2603
Omron Automation and Safety
1: $327.56
54In 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

54In Stock

$327.56

Min.: 1
Mult.: 1

Remote I/O Modules

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

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Datasheet

Shipping Restricted

Remote I/O Modules

15 VDC to 28 VDC

350 mA

11 VDC to 28 VDC

4 A

Digital

DIN Rail

I/O Modules 0960 IOL 3816-001

935712001
Lumberg Automation
1: $299.88
2In Stock

Mfr. Part #
935712001

Mouser Part #
566-935712001

Lumberg Automation

I/O Modules 0960 IOL 3816-001

Datasheet

2In Stock

$299.88

$278.58

$277.98

$277.70

View

Min.: 1
Mult.: 1

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

6ES71326BH000CA0
Siemens
1: $400.22
4In Stock
New At Mouser

Mfr. Part #
6ES71326BH000CA0

Mouser Part #
982-6ES71326BH000CA0

New At Mouser

Siemens

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

Learn More

Datasheet

4In Stock

$400.22

$380.91

$367.10

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: $870.38
5In Stock
7Expected 2026-07-27
New At Mouser

Mfr. Part #
6ES71366DB010CA0

Mouser Part #
982-6ES71366DB010CA0

New At Mouser

Siemens

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

5In Stock

7Expected 2026-07-27

$870.38

$821.13

Min.: 1
Mult.: 1

Distributed I/O Modules

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

AMAX-5017C-A
Advantech
1: $276.48
1In Stock

Mfr. Part #
AMAX-5017C-A

Mouser Part #
923-AMAX-5017C-A

Advantech

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

Datasheet

1In Stock

$276.48

Min.: 1
Mult.: 1

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

6ES71326BD210CA0
Siemens
1: $298.99
3In Stock
New Product

Mfr. Part #
6ES71326BD210CA0

Mouser Part #
982-6ES71326BD210CA0

New Product

Siemens

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

Learn More

Datasheet

3In Stock

$298.99

$278.37

$268.26

$262.28

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 Robust 6-Ch RTD Input Module

ADAM-4115-C
Advantech
1: $663.84
4In Stock

Mfr. Part #
ADAM-4115-C

Mouser Part #
923-ADAM-4115-C

Advantech

I/O Modules Robust 6-Ch RTD Input Module

Learn More

Datasheet

4In Stock

$663.84

Min.: 1
Mult.: 1

Remote I/O Modules

10 VDC to 48 VDC

I/O Modules SM 1223 Digital I/O. 16DI/16DO

6ES72235BL500XB0
Siemens
1: $749.66
3In Stock
New At Mouser

Mfr. Part #
6ES72235BL500XB0

Mouser Part #
982-6ES72235BL500XB0

New At Mouser

Siemens

I/O Modules SM 1223 Digital I/O. 16DI/16DO

Datasheet

3In Stock

$749.66

$704.68

Min.: 1
Mult.: 1

Digital I/O Modules

24 VDC

45 mA

24 V

500 mA

PNP

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

AMAX-5015-A
Advantech
1: $315.36
1In Stock

Mfr. Part #
AMAX-5015-A

Mouser Part #
923-AMAX-5015-A

Advantech

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

Datasheet

1In Stock

$315.36

Min.: 1
Mult.: 1

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

6ES71326BF010CA0
Siemens
1: $270.66
1In Stock
5Expected 2026-07-06
New At Mouser

Mfr. Part #
6ES71326BF010CA0

Mouser Part #
982-6ES71326BF010CA0

New At Mouser

Siemens

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

Learn More

Datasheet

1In Stock

5Expected 2026-07-06

$270.66

$251.99

$242.86

$237.41

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 16-Ch Source Type Isolated DO Module w/

ADAM-5056SO-AE
Advantech
1: $187.20
16In Stock
50On Order

Mfr. Part #
ADAM-5056SO-AE

Mouser Part #
923-ADAM5056SOAE

Advantech

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

Learn More

Datasheet

16In Stock

50On Order

$187.20

Min.: 1
Mult.: 1

Remote I/O Modules

10 V to 35 V

200 mA

Screw

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

G88405549
Carlo Gavazzi
1: $404.32
5In Stock

Mfr. Part #
G88405549

Mouser Part #
225-G88405549

Carlo Gavazzi

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

Datasheet

5In Stock

$404.32

Min.: 1
Mult.: 1

Digital I/O Modules

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

1315230000
Weidmuller
1: $152.42
42In Stock

Mfr. Part #
1315230000

Mouser Part #
470-1315230000

Weidmuller

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

Learn More

Datasheet

42In Stock

$152.42

$135.13

$131.57

$117.45

Quote

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Digital

Push-In

I/O Modules UR20-16DO-N

1315440000
Weidmuller
1: $203.57
21In Stock

Mfr. Part #
1315440000

Mouser Part #
470-1315440000

Weidmuller

I/O Modules UR20-16DO-N

Learn More

Datasheet

21In Stock

$203.57

$201.25

$198.56

$189.55

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Digital

Push-In

I/O Modules UR20-1CNT-500

1315580000
Weidmuller
1: $453.27
7In Stock

Mfr. Part #
1315580000

Mouser Part #
470-1315580000

Weidmuller

I/O Modules UR20-1CNT-500

Learn More

Datasheet

7In Stock

$453.27

$444.96

$417.40

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Push-In

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

1315700000
Weidmuller
1: $528.18
27In Stock

Mfr. Part #
1315700000

Mouser Part #
470-1315700000

Weidmuller

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

Learn More

Datasheet

27In Stock

$528.18

$470.29

$456.52

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Push-In

I/O Modules NX 8Pt A/D +-10 1/30k 10us DIF

NX-AD4608
Omron Automation and Safety
1: $927.32
4In Stock

Mfr. Part #
NX-AD4608

Mouser Part #
653-NXAD4608

Omron Automation and Safety

I/O Modules NX 8Pt A/D +-10 1/30k 10us DIF

Datasheet

4In Stock

$927.32

$859.29

Min.: 1
Mult.: 1

Remote I/O Modules

I/O Modules UR20-16DI-N

1315390000
Weidmuller
1: $182.64
31In Stock

Mfr. Part #
1315390000

Mouser Part #
470-1315390000

Weidmuller

I/O Modules UR20-16DI-N

Learn More

Datasheet

31In Stock

$182.64

$165.34

$161.37

$160.88

View

Min.: 1
Mult.: 1

Remote I/O Modules

24 VDC

Push-In

I/O Modules

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ADLINK Technology
Advantech
Altech
apf.audio
Banner Engineering
Carlo Gavazzi
ControlByWeb
Crouzet
Eaton
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IDEC
Industrial Shields
KUNBUS
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L-Com
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Schneider Electric
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AC/DC Input Modules
AC/DC Output Modules
Accessories
AC Output Modules
Analog/Digital I/O Modules
Analog I/O Modules
Analog Input Modules
Analog Output Modules
Audio I/O Modules
Booster Modules
Cable Covers
Cable Termination Modules
Cameras
Channel Generators
Counter Modules
Data Decouplers
DC Input Modules
DC Output Modules
Digital I/O Modules
Digital I/O Valve Plugs

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, +/- 10 V
5 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
Analog Input
Analog Output
Current
Current, Digital
DC
Digital
Digital, Analog
Digital Output Relays
NPN
Open Collector
PNP
PNP, NPN
Relay
Relay Output
SPST-NC