| Image | Part Number | Manufacturer | Description | Series | Mounting Type | Style | Number of Channels | Connector Type |
|---|---|---|---|---|---|---|---|---|
| 70MRCK16-RS | Grayhill, Inc. | I/O MODULE RACK 16 CHANNEL | System 50 | Standoffs | Mini | 16 | Header, Screw Terminal Blocks | |
| 2IO8 | Agastat Relays / TE Connectivity | I/O MODULE RACK 8 CHANNEL | 2IO | Standoffs | Standard | 8 | Card Edge, Screw Terminal Blocks | |
| 70LRCK16-HL | Grayhill, Inc. | I/O MODULE RACK 16 CHANNEL | System 50 | Standoffs | OpenLine® | 16 | Header, Screw Terminal Blocks | |
| 70GRCK24-HL | Grayhill, Inc. | I/O MODULE RACK 24 CHANNEL | System 50 | Standoffs | G5 | 24 | Header, Screw Terminal Blocks | |
| PB-32HQ | Crydom | I/O MODULE RACK 32 CHANNEL | PB | Standoffs | Quad | 32 | Header, Screw Terminal Blocks | |
| 2962926 | Phoenix Contact | I/O MODULE RACK 16 CHANNEL | VARIOFACE, UM | DIN Rail | - | 16 | - | |
| 70RCK24 | Grayhill, Inc. | I/O MODULE RACK 24 CHANNEL | System 50 | Standoffs | Standard | 24 | Card Edge, Screw Terminal Blocks | |
| PB-24SM | Crydom | I/O MODULE RACK 24 CHANNEL | PB | Standoffs | Mini | 24 | Card Edge, Screw Terminal Blocks | |
| 2971551 | Phoenix Contact | I/O MODULE RACK CHANNEL | VARIOFACE, UMK | - | - | - | - | |
| 70GRCP32-HL | Grayhill, Inc. | I/O MODULE RACK 32 CHANNEL | System 50 | Standoffs | G5 (PAMUX Controllers) | 32 | 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.