| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SL-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6S-2F-Y-TR DC5 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | 8869350000 | SRD-I 3CORelay Socket DIN Rail | Weidmuller |
| 5 | 4-1904045-5 | V23333Z1001B045-EV-03DRelay | TE Connectivity Potter & Brumfield Relays |
| 6 | SDT-S-112DMR,000 | RELAY GEN PURPOSE SPST 10A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PB-4C4 | I/O MOUNTING BOARD C4 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 8 | DR2260D20WRJ | RELAY SSR 600V 20A DIN RAIL | Sensata-Crydom |
| 9 | CA1B-DC12V-N | RELAY AUTOMOTIVE SPST 20A 12V | Panasonic Electric Works |