| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TX2SA-9V | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | 2903330 | RELAY GEN PURPOSE DPDT 50MA 24VGeneral Purpose with Socket Relay DPDT (2 Form C) DIN Rail | Phoenix Contact |
| 3 | RSL116141 | MCDONNEL DOUGLASRelay | Amphenol Pcd |
| 4 | PTFPCB | RELAY SOCKET PCB W/EAR MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 5 | MY4H-US DC12 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 6 | ADW1205HT | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | 2IOM4A | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | HK4 | KIT SPACER AND FASTENERSMounting Hardware Series 1 | Sensata-Crydom |