| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 27E447 | RELAY SOCKET 4 POLE SOLDERRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | SA8NN | CONTROL SOCKET 8 POS BACK MOUNTRelay Socket Chassis Mount | Crouzet |
| 4 | PT570012 | RELAY GEN PURPOSE 4PDT 6A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | T9AS1D12-9 | RELAY GEN PURPOSE SPST 30A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 2972961 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 7 | CB1A-R-24V | RELAY AUTOMOTIVE SPST 20A 24V | Panasonic Electric Works |
| 8 | ARS12A03 | ARS RELAY 1 FORM C 3V | Panasonic Electric Works |
| 9 | PM2260D50VJH | RELAY SSR 600V 50A PNL MNT | Sensata-Crydom |