| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| PB-32M | Crydom | I/O MODULE RACK 32 CHANNEL | PB | Standoffs | Mini | 32 | Header, Screw Terminal Blocks | |
| PB-8-V | Crydom | I/O MODULE RACK 8 CHANNEL | PB | Standoffs | Standard | 8 | Header, Screw Terminal Blocks | |
| 2972990 | Phoenix Contact | I/O MODULE RACK 16 CHANNEL | VARIOFACE, UMK | DIN Rail | - | 16 | Screw Terminal Blocks | |
| PB-16S | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Mini | 16 | Screw Terminal Blocks | |
| P7TF-OS16-1 DC12-OLD | Omron Automation & Safety | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| 70MRCK16-RL | Grayhill, Inc. | I/O MODULE RACK 16 CHANNEL | System 50 | Standoffs | Mini | 16 | Header, Screw Terminal Blocks | |
| MS-4H | Crydom | I/O MODULE RACK 4 CHANNEL | MS | Standoffs | Mini | 4 | - | |
| 1393026-8 | Agastat Relays / TE Connectivity | I/O MODULE RACK 16 CHANNEL | 2IO | Standoffs | Standard | 16 | Card Edge, Screw Terminal Blocks | |
| 70RCK16 | Grayhill, Inc. | I/O MODULE RACK 16 CHANNEL | System 50 | Standoffs | Standard | 16 | Card Edge, Screw Terminal Blocks | |
| 2962191 | Phoenix Contact | I/O MODULE RACK 16 CHANNEL | VARIOFACE, UM | DIN Rail | - | 16 | 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.