| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | HY1Z-9V | RELAY TELECOM SPDT 1A 9VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 2 | 2900307 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | G6K-2P-Y DC9 | RELAY TELECOM DPDT 1A 9VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 4 | 911341 | RELAY SOCKET 24VDC 10A REDRelay Socket DIN Rail | Weidmuller |
| 5 | SH2B-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 6 | 27E166 | RELAY SOCKET CHASSIS MOUNT 4PRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | RJ1S-CL-D24 | RELAY PLUG-IN SPDT 12A 24VDCGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Socketable | IDEC |
| 8 | OMI-SS-124L,300 | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70MRCQ24-HS | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |