I/O Modules

 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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Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Input Voltage Input Current Output Voltage Output Current Housing Color Output Type Termination Style
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)) 25In Stock
32On Order
$275.00
Min.: 1
Mult.: 1
Wireless Remote I/O Modules 10 VDC to 50 VDC Screw
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)) 26In Stock
63On Order
$290.00
Min.: 1
Mult.: 1
Wireless Remote I/O Modules 10 VDC to 50 VDC Screw
ControlByWeb 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). 2In Stock
$419.99
Min.: 1
Mult.: 1
Relay
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)) 6In Stock
12Expected 10/8/2026
$165.10
Min.: 1
Mult.: 1
Wireless Remote I/O Modules 10 VDC to 50 VDC Screw
ControlByWeb 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). 2In Stock
$439.99
Min.: 1
Mult.: 1
Relay
ControlByWeb 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). 3In Stock
$389.99
Min.: 1
Mult.: 1
Relay
ControlByWeb 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). 3In Stock
$399.99
Min.: 1
Mult.: 1
Relay
Weidmuller I/O Modules UR20-4AI-RTD-DIAG 24In Stock
$324.31
$324.30
$324.26
Min.: 1
Mult.: 1
Remote I/O Modules 24 VDC Push-In


Omron Automation and Safety I/O Modules NX 8Pt A/D +-10 1/30k 10us DIF 4In Stock
$646.33
Min.: 1
Mult.: 1
Remote I/O Modules


Omron Automation and Safety I/O Modules 2CH 24V Encoder Input NPN 3In Stock
$736.32
Min.: 1
Mult.: 1
Remote I/O Modules
Omron Automation and Safety I/O Modules 2pt Analog Input 3In Stock
$783.44
Min.: 1
Mult.: 1
Remote I/O Modules 10 VAC 20 mA DC DIN Rail
Omron Automation and Safety I/O Modules NX 2Pt A/D +-10 1/8k 250us SE 21In Stock
$256.28
$249.47
Min.: 1
Mult.: 1
Remote I/O Modules
Carlo Gavazzi I/O Modules DUP DIG TRANC 1-OUT 4-IN 5In Stock
$284.56
$275.61
Min.: 1
Mult.: 1
Digital I/O Modules
Advantech I/O Modules 4-ch RTD Input Codesys, EtherCAT Module 2In Stock
$219.00
Min.: 1
Mult.: 1
Advantech I/O Modules 16-ch Digital Output (Source) Codesys, EtherCAT Module 5In Stock
$103.00
Min.: 1
Mult.: 1
Advantech I/O Modules 6-ch Current Input Codesys, EtherCAT Module 2In Stock
$192.00
Min.: 1
Mult.: 1
Advantech I/O Modules 6-ch Voltage Input Codesys, EtherCAT Module 4In Stock
$199.00
Min.: 1
Mult.: 1
Schneider Electric I/O Modules TELEFAST 2 MODULE 250VAC 5AMP 12In Stock
$675.00
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Relay Output Sub-Bases
Siemens I/O Modules ET 200SP. DI8x+DQ8x 24V DC/0.5A ST. PU1 3In Stock
$237.67
$234.27
$229.76
$227.11
Min.: 1
Mult.: 1
Distributed I/O Modules 19.2 V to 28.8 V 35 mA 24 V 500 mA
Siemens I/O Modules ET 200AL, AI 4XU/I/RTD, 4XM12 7In Stock
$521.75
$469.59
Min.: 1
Mult.: 1
Distributed I/O Modules
Siemens I/O Modules ET 200SP. DQ 16x24VDC/0.5A HF. PU 1 3In Stock
$277.91
$276.58
$271.26
Min.: 1
Mult.: 1
Distributed I/O Modules 19.2 V to 28.8 V 20 mA 24 V 500 mA
Siemens I/O Modules SM 1223 Digital I/O. 16DI/16DO 3In Stock
$520.60
$489.36
Min.: 1
Mult.: 1
Digital I/O Modules 24 VDC 175 mA 5 VAC to 250 VAC, 5 VDC to 30 VDC 2 A Digital

Weintek I/O Modules iR-ETN40P - Ethernet I/O Module w/onboard I/O
2In Stock
$339.00
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Remote I/O Modules 15 VDC to 28 VDC 350 mA 11 VDC to 28 VDC 4 A Digital DIN Rail
Lumberg Automation I/O Modules 0960 IOL 3816-001 2In Stock
$208.25
$193.46
$193.04
$192.85
Min.: 1
Mult.: 1
Siemens I/O Modules ET 200SP. DQ 4x24VDC/2A HF. PU 1 3In Stock
$207.63
$202.32
$198.43
$196.13
Min.: 1
Mult.: 1
Distributed I/O Modules 19.2 V to 28.8 V 20 mA 24 V 2 A