| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| PB-24SM-V | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Mini | 24 | Header, Screw Terminal Blocks | |
| PB-16-V | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Standard | 16 | Header, Screw Terminal Blocks | |
| PB-16C4T | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | C4 | 16 | Screw Terminal Blocks | |
| 70RCK32-HL | Grayhill, Inc. | I/O MODULE RACK 32 CHANNEL | System 50 | Standoffs | Standard | 32 | Header, Screw Terminal Blocks | |
| PB-16 | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Mini | 16 | Card Edge, Screw Terminal Blocks | |
| 70GRCK4R | Grayhill, Inc. | I/O MODULE RACK 4 CHANNEL | System 50 | Standoffs | G5 | 4 | Screw Terminal Blocks | |
| 2973067 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| P7TF-OS16 DC12V | Omron Automation & Safety | I/O MODULE RACK 16 CHANNEL | P7TF | DIN Rail | G3TA, G7T | 16 | Screw Terminal Blocks | |
| 2900899 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| PB-24SM-B | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Mini | 24 | Card Edge, 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.