I/O Controllers

 I/O Controllers
I/O Controllers are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many input/output controller manufacturers including Banner Engineering, Industruino, KUNBUS, Omron, Phoenix Contact, Schneider Electric & more.
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Please view our large selection of input/output controllers 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 Type Number of Outputs Analogue / Digital Output Type Mounting Style Size Number of Inputs Display Type Series
Schneider Electric I/O Controllers Zelio SR3 expansion Module 10 I-O 24VAC 10In Stock
$144.18
Min.: 1
Mult.: 1
I/O Module 1 Output Analog DIN Rail Mount 90 mm x 59.5 mm x 3.5 mm 1 Input None SR3
Schneider Electric I/O Controllers Zelio SR3 expansion Module 14 I-O 24VAC 4In Stock
$187.65
Min.: 1
Mult.: 1
SR3
Schneider Electric I/O Controllers M171 OPT. DISPLAY 14 IOS, 100-240 VAC 3In Stock
$206.86
$202.91
$201.37
Min.: 1
Mult.: 1
Schneider Electric I/O Controllers M171 OPT. DISPLAY 22 IOS, MODBUS 4In Stock
$232.84
Min.: 1
Mult.: 1
TM171
Schneider Electric I/O Controllers M172 OPT. PERF. EXPANSION 28 I/OS 4In Stock
4Expected 2026/11/02
$320.81
Min.: 1
Mult.: 1
DFRobot I/O Controllers EDGE101 Industrial ESP32 IoT Programmable Controller with 4G CAT1 (RS485, CAN, Ethernet)
10Expected 2026/11/09
$70.21
Min.: 1
Mult.: 1
IoT Programmable Controller Digital Digital 136.7 mm x 76 mm x 31 mm
KUNBUS I/O Controllers RevPi MIO 4In Stock
189On Order
$257.97
Min.: 1
Mult.: 1
12 Output Analog, Digital DIN Rail Mount 111 mm x 23 mm x 96 mm 12 Input RevPi MIO
Omron Automation and Safety I/O Controllers 1224VDC 8INpts Independ Cntct 1In Stock
$482.06
Min.: 1
Mult.: 1
Omron Automation and Safety I/O Controllers 24VDC .5A 8OUTp ts. Trans PNP 1In Stock
$620.95
Min.: 1
Mult.: 1
Omron Automation and Safety I/O Controllers NX 4Pt, 12-24 VDC PNP Input 5In Stock
$114.78
$110.35
$100.30
$99.18
Min.: 1
Mult.: 1
NXID


Omron Automation and Safety I/O Controllers CN1 I/O Connector GT 1In Stock
$118.04
$112.25
$110.40
Min.: 1
Mult.: 1
Schneider Electric I/O Controllers Zelio SR3 10 I-O 24VAC 2In Stock
$322.66
Min.: 1
Mult.: 1
SR3
Schneider Electric I/O Controllers Zelio SR3 10 I-O 24VDC transistor out 1In Stock
$305.57
Min.: 1
Mult.: 1
Modular Smart Relay 10 Output Digital Relay DIN Rail Mount 10 Input Clock SR3
Schneider Electric I/O Controllers Zelio SR3PACK Mod 26 I-O 100-240VAC 2In Stock
$643.15
Min.: 1
Mult.: 1
SR3
Schneider Electric I/O Controllers Zelio SR3 expansion Module 14 I-O 24VAC 3In Stock
$187.65
Min.: 1
Mult.: 1
SR3
Schneider Electric I/O Controllers ZELIO SR3 14 I-O 12VDC, RELAY OUT 3In Stock
$160.19
Min.: 1
Mult.: 1
SR3
ControlByWeb I/O Controllers X-401 industrial dual relay and input module with browser-based setup, embedded logic builder, Modbus/MQTT/SNMP/REST support, 2 SPDT relays, and 2 optically isolated digital inputs. (standard Ethernet/DC-powered model).
23On Order
$300.04
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
ControlByWeb I/O Controllers WebRelay single relay and input module with browser-based interface, open REST API, 1 relay, 1 digital input, data logging, and 400-Series firmware capabilities. (PoE/Ethernet model).
46On Order
$230.03
Min.: 1
Mult.: 1
DIN Rail Mount 400 Series
Banner Engineering I/O Controllers DXMR90 Industrial Controller; Power: 12-30 V dc; Female M12 (D-Code Ethernet); IP65, IP67; Ethernet IP, Modbus TCP, Modbus RTU Client and Profinet
4Expected 2026/10/27
$596.11
Min.: 1
Mult.: 1
DXMR90-X1
DFRobot I/O Controllers Edge101 Industrial ESP32 IoT Programmable Controller (RS485, CAN, Ethernet)
51On Order
$59.81
Min.: 1
Mult.: 1

Industruino I/O Controllers PROTO D21G
2Expected 2026/10/27
$85.47
Min.: 1
Mult.: 1
DC
Schneider Electric I/O Controllers ZELIO SR3 ANALOG OUTPUT 24VDC
1Expected 2026/11/02
$266.59
Min.: 1
Mult.: 1
Extension Module 2 Output Relay Panel Mount 2 Input None SR3
Schneider Electric I/O Controllers M171 OPT. EXPANSION 14 IOS, 100-240VAC
5Expected 2026/11/27
$161.13
$154.13
$152.20
$150.76
Min.: 1
Mult.: 1
ControlByWeb I/O Controllers X-401 industrial dual relay and input module with browser-based setup, embedded logic builder, Modbus/MQTT/SNMP/REST support, 2 SPDT relays, and 2 optically isolated digital inputs. (cellular/Wi-Fi model; with a 12-month, 10 MB/mo cellular data plan 4In Stock
$486.06
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
WAGO I/O Controllers Room Automation System Distribution Box, Type 1 Non-Stocked Lead-Time 4 Weeks
$21,065.06
Min.: 1
Mult.: 1
2854