| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | MYQ4-DC24 | RELAY GEN PURPOSE 4PDT 1A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | Omron Automation and Safety |
| 3 | EC2-3TNU | RELAY GEN PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 4 | RS16 | RELAY SOCKET 8 PINRelay Socket Channel, Track | Curtis Industries |
| 5 | HC1-WS-K | SOCKET WRAP WIRE/CLIP HC1 RELAYSRelay Socket Panel Mount | Panasonic Electric Works |
| 6 | G5RL-U1-E-DC24 | RELAY PWR LATCH SPDT 16A 24VDCGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | G5LE-1A4 DC3 | RELAY GEN PURPOSE SPST 10A 3VGeneral Purpose Relay SPST-NO (1 Form A) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | RT114018 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | CRF05-1AS | RELAY RF SPST 500MA 5V | Standex-Meder Electronics |