| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | EC2-24NU | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 3 | 2966281 | RELAY GEN PURPOSE SPDT 50MA 120VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 4 | JRS300101 | QUICK MOUNT, 3 POLE WCRelay | Amphenol Pcd |
| 5 | RSL116132 | MCDONNEL DOUGLASRelay | Amphenol Pcd |
| 6 | 2900937 | RIF-3-BPT/2X21Relay | Phoenix Contact |
| 7 | 2941646 | RELAY GEN PURPOSE SPST 10A 24VGeneral Purpose with Socket Relay SPST-NO (1 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 8 | PRD-11DH0-24 | RELAY GEN PURPOSE DPDT 20A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 9 | 1415900-6 | RTB7D024Relay Coil | TE Connectivity Potter & Brumfield Relays |