| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| RT1-IA08-100V-S | Panasonic | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| PB-8C4 | Crydom | I/O MODULE RACK 8 CHANNEL | PB | Standoffs | C4 | 8 | Screw Terminal Blocks | |
| PB-24MD | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Mini | 24 | Card Edge, Screw Terminal Blocks | |
| 70MRCK24-EC | Grayhill, Inc. | I/O MODULE RACK 24 CHANNEL | System 50 | Standoffs | Mini | 24 | Card Edge, Screw Terminal Blocks | |
| 70LRCK16-48WP | Grayhill, Inc. | I/O MODULE RACK 16 CHANNEL | OpenDAC® | DIN Rail | OpenLine® | 16 | DIN Connector, Screw Terminal Blocks | |
| 70MRCQ24-HL | Grayhill, Inc. | I/O MODULE RACK 24 CHANNEL | System 50 | Standoffs | Mini | 24 | Header, Screw Terminal Blocks | |
| P7TF-OS08-1 DC24 | Omron Automation & Safety | I/O MODULE RACK 8 CHANNEL | P7TF | DIN Rail | G3TA, G7T | 8 | Screw Terminal Blocks | |
| 2972903 | Phoenix Contact | I/O MODULE RACK 8 CHANNEL | VARIOFACE, UMK | DIN Rail | - | 8 | Screw Terminal Blocks | |
| PB-32D-V | Crydom | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| PB-24HQ | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Quad | 24 | Header, Screw Terminal Blocks |
I/O relay module racks are mounting structures or enclosures designed to accommodate multiple I/O relay modules in a compact and organized manner. These racks provide a centralized and easily accessible location for installing and wiring I/O relay modules, simplifying installation, troubleshooting, and maintenance tasks in control and automation systems.