| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2900342 | TERM BLOCKRelay | Phoenix Contact |
| 3 | AGQ200A03 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | TQ2SA-3V | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 5 | RSL116144 | MCDONNEL DOUGLASRelay | Amphenol Pcd |
| 6 | RSL116092-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 7 | NC2D-DC12V | RELAY GEN PURPOSE DPDT 5A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 8 | MY4 DC100/110 (S) | RELAY GEN PURPOSE 4PDT 3A 110VGeneral Purpose Relay 4PDT (4 Form C) 110VDC Coil Socketable | Omron Automation and Safety |
| 9 | T9GV1L14-12 | T9GV1L14-12General Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |