| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2-L2-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | 2900342 | TERM BLOCKRelay | Phoenix Contact |
| 3 | TQ2SA-L2-9V | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | JRS200311 | QUICK MOUNT, 2 POLE WCRelay | Amphenol Pcd |
| 5 | 5-1904045-3 | V23333Z0002A010-EV-441Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | MY2K DC12 | RELAY GEN PURPOSE DPDT 3A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 7 | 70GRCK8-HS | I/O MOUNTING BOARD G5 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 8 | 5529191 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | 2900066 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |