I/O relay modules are used in industrial control, building management, and similar applications to connect control equipment to input sources such as limit switches or proximity sensors, as well as output devices such as motors or linear actuators. Typically implemented in form factors that allow ease of replacement, their primary purpose is to allow system components operating at different voltage levels and supplied by different sources to be safely connected to a shared control system.
Part # | Manufacturer | Description | Availability | Pricing | Quantity |
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![]() 3RK22072BQ500AA3I/O Relay Modules | Siemens | I/O Modules K60,IP67,A/B-SLAVE(SPEC3.0),ANOG,2AI(1AI | In Stock | - | |
![]() 56700I/O Relay Modules | Murrelektronik | I/O Modules CUBE67 I/O COMPACT MODULE, 4 analog inputs (U), Cube67 AI4 C 4xM12 (U) | In Stock | - | |
![]() 112038-0029I/O Relay Modules | Molex | I/O Modules IO:PFB:IP67:60MM:8P 14DI/2DO:PNP | In Stock | - | |
![]() GP32900003700I/O Relay Modules | Carlo Gavazzi | I/O Modules MASTER GENERATOR 3-WIRE REV.5 | In Stock | - | |
![]() XN-B4T-SBBCI/O Relay Modules | Eaton-Electronics Division | I/O Modules BLOCK BASE MODULE 4 LEVEL SPRING CAGE | In Stock | - | |
![]() XN-322-4AIO-U2I/O Relay Modules | Eaton-Electronics Division | I/O Modules ANALOG, 2 IN-/2 OUTPUT, +/-10V, UREF | In Stock | - | |
![]() 3RK24001FG000AA2I/O Relay Modules | Siemens | I/O Modules AS-I SLIMLINE MOD V2.1,CAGE CLAMP,4I/4O | In Stock | - | |
![]() EC4E-221-6D4R1I/O Relay Modules | Eaton-Electronics Division | I/O Modules CANOPEN I/O MODULE 6I/4O | In Stock | - | |
![]() 112103-5000I/O Relay Modules | Molex | I/O Modules IO-LINK DIGITAL HUB IP67 16I PNP | In Stock | - | |
![]() 56419I/O Relay Modules | Murrelektronik | I/O Modules MASI68 I/O MODULE, 4 digital inputs, 4 digital outputs, MASI68 DI4/0,19A DO4/0,5A 8xM8 | In Stock | - | |
![]() SNAP-IDC5-FAST-AI/O Relay Modules | Opto 22 | I/O Modules SNAP 4-Ch High-Speed 18-32 VDC Digital (Discrete) Input Module | In Stock | - | |
![]() AMAX-1756-AEI/O Relay Modules | Advantech | I/O Modules Open Frame 16-ch Isolated DI/16-ch DO M | In Stock | - | |
![]() 0980 SSL 3030-121-007D-101I/O Relay Modules | Lumberg Automation | I/O Modules LioN-Safety 16/8-F-DI M12 PROFInet / PROFIsafe , M12 L-coded Power Supply, Metal 60mm, IoT Protocols (OPC UA, MQTT, CoAP, REST) | In Stock | - | |
![]() 1087077I/O Relay Modules | Phoenix Contact | I/O Modules AXL P EX IS DO4 SD 24-48 1F | 5 | - | |
![]() 55400I/O Relay Modules | Murrelektronik | I/O Modules MBK I/O COMPACT MODULE, Profibus DP, 16 dig. In, MBK-P DI16 | In Stock | - | |
![]() 3RK12070CE002AA2I/O Relay Modules | Siemens | I/O Modules AS-I MODUL SC22.5 4AI-C/V | In Stock | - | |
![]() XN-16DI-24VDC-PI/O Relay Modules | Eaton-Electronics Division | I/O Modules 16 DIGITAL INPUT BLOCK MODULE 15-30VDC | In Stock | - | |
![]() 3RK14001NQ010AA4I/O Relay Modules | Siemens | I/O Modules AS-I DC STR,4I/1O,200MA PNP,24V DC,4A | In Stock | - | |
![]() 3RK14001CR000AA3I/O Relay Modules | Siemens | I/O Modules AS-I IP68/69K DIGITALMOD,4IN/4OUT,200MA, | In Stock | - | |
![]() ODC24I/O Relay Modules | Opto 22 | I/O Modules DC Output, 5-60 VDC, 24 VDC Logic | 36 | - | |
![]() STBDDI3610KI/O Relay Modules | APC by Schneider Electric | I/O Modules | In Stock | - | |
![]() 8000-88401-0000000I/O Relay Modules | Murrelektronik | I/O Modules EXACT12, 8XM12, 4 POLE BASIC HOUSING, NPN-LED'S, Without homerun-cable | In Stock | - | |
![]() 207-D560-NX/PXI/O Relay Modules | iBASE Technology | I/O Modules 96-Ch. DI/O Slave Module with Pluggable Terminal NPN/PNP type | In Stock | - | |
![]() 56612I/O Relay Modules | Murrelektronik | I/O Modules CUBE67 I/O COMPACT MODULE, 8 digital inputs, Cube67 DI8 C 4xM12 | In Stock | - | |
![]() 112038-0011I/O Relay Modules | Molex | I/O Modules IO:PFB:IP67:30MM 4P:8DI:PNP | In Stock | - |