| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | KHAU-17A16-24 | RELAY GEN PURPOSE 4PDT 1A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 3 | TQ2SA-L-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 910456 | RSM 4 110VAC SPDT 10A SKTRelay | Weidmuller |
| 5 | 2950802 | RELAY MODULE WITH PLUG-IN BASERelay Socket DIN Rail | Phoenix Contact |
| 6 | P7SA-10F-ND-DC24 | SOCKET RELAY 4P 24VDC TRACK MTRelay Socket DIN Rail | Omron Automation and Safety |
| 7 | PRD-7AY0-24 | RELAY GEN PURPOSE DPST 25A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | KRPA-11DG-110 | RELAY GEN PURPOSE DPDT 10A 110VGeneral Purpose Relay DPDT (2 Form C) 110VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | PT570060 | RELAY GEN PURPOSE 4PDT 6A 60VGeneral Purpose Relay 4PDT (4 Form C) 60VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |