| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| PB-24SM-A | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Mini | 24 | Card Edge, Screw Terminal Blocks | |
| 70LRCK8-HL | Grayhill, Inc. | I/O MODULE RACK 8 CHANNEL | System 50 | Standoffs | OpenLine® | 8 | Header, Screw Terminal Blocks | |
| 2972880 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| 5529191 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| 2962382 | Phoenix Contact | I/O MODULE RACK CHANNEL | - | - | - | - | - | |
| PB-4R | Crydom | I/O MODULE RACK 4 CHANNEL | PB | Standoffs | Standard | 4 | Screw Terminal Blocks | |
| 70MRCK8-HL | Grayhill, Inc. | I/O MODULE RACK 8 CHANNEL | System 50 | Standoffs | Mini | 8 | Header, Screw Terminal Blocks | |
| PB-16M | Crydom | I/O MODULE RACK 16 CHANNEL | PB | Standoffs | Mini | 16 | Card Edge, Screw Terminal Blocks | |
| 2962913 | Phoenix Contact | I/O MODULE RACK 16 CHANNEL | VARIOFACE, UM | DIN Rail | - | 16 | - | |
| 70MRCK24-HS | Grayhill, Inc. | I/O MODULE RACK 24 CHANNEL | System 50 | Standoffs | Mini | 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.