| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| PB-16SM-A | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Mini | 16 | Card Edge, Screw Terminal Blocks | |
| PB-16SM-C | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Mini | 16 | Header, Screw Terminal Blocks | |
| 70GRCK8-HL | Grayhill, Inc. | I/O MODULE RACK 8 CHANNEL | System 50 | Standoffs | G5 | 8 | Header, Screw Terminal Blocks | |
| 70GRCM32-HL | Grayhill, Inc. | I/O MODULE RACK 32 CHANNEL | System 50 | Standoffs | G5 (MicroDAC, PAMUX Controllers) | 32 | Header, Screw Terminal Blocks | |
| 2972974 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| MS-8H | Crydom | I/O MODULE RACK 8 CHANNEL | MS | Standoffs | Mini | 8 | Card Edge, Screw Terminal Blocks | |
| P7TF-IS16 DC24V | Omron Automation & Safety | I/O MODULE RACK 16 CHANNEL | P7TF | DIN Rail | G3TA, G7T | 16 | Screw Terminal Blocks | |
| PB-8-C | Crydom | I/O MODULE RACK 8 CHANNEL | PB | Standoffs | Standard | 8 | Header, Screw Terminal Blocks | |
| 2972738 | Phoenix Contact | I/O MODULE RACK 8 CHANNEL | VARIOFACE, UMK | DIN Rail | - | 8 | Screw Terminal Blocks | |
| 2972893 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - |
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.