| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | D3204 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 2 | TQ2SA-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 4 | RSE116695 | LOW PROFILE, 2 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 5 | JRS400501 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 6 | OSA-SS-212DM5,000 | RELAY GEN PURPOSE DPST 5A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | G2R-1-SN DC12(S) | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 8 | 2900899 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | 70RCK24-HL | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Grayhill Inc. |