| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2900306 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | JRS310111 | QUICK MOUNT, 3 POLE WCRelay | Amphenol Pcd |
| 4 | PYF14A-C | SOCKET 4POLRelay Socket DIN Rail | Omron Automation and Safety |
| 5 | 2-1393243-8 | RELAY GEN PURPOSE DPDT 8A 230VGeneral Purpose Relay DPDT (2 Form C) 230VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | T9GV5L14-9 | T9GV5L14-9General Purpose Relay SPDT (1 Form C) 9VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | RT114018 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 8 | RY210006 | RELAY GENERAL PURPOSE SPDT 8A 6VGeneral Purpose Relay SPDT (1 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | RY612012 | RELAY GEN PURPOSE SPDT 8A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |