| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2950802 | RELAY MODULE WITH PLUG-IN BASERelay Socket DIN Rail | Phoenix Contact |
| 3 | PYF14-ESN-B | MY SOCKET/BOX TYPERelay | Omron Automation and Safety |
| 4 | 2-1416100-4 | ST4FSM5Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | PYF14A-E-US | SOCKET RELAY HERM DIN MNT MYRelay Socket DIN Rail | Omron Automation and Safety |
| 6 | RP818730 | RELAY GEN PURPOSE SPDT 12A 230VGeneral Purpose Relay SPDT (1 Form C) 230VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | CA1A-12V-A-5 | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 8 | CB1-WM-12V | RELAY AUTOMOTIVE SPDT 40A 12V | Panasonic Electric Works |
| 9 | CM1AF-R-12V | RELAY AUTOMOTIVE SPST 35A 12V | Panasonic Electric Works |