| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGN210A03 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSN112010 | 2,4 POLE/10 AMP, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 4 | 8869500000 | SRC-I 2CO PRelay Socket DIN Rail | Weidmuller |
| 5 | 4-1904045-6 | V23333Z0001B046-EV-441Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | 2912497 | RELAY GEN PURPOSE DPDT 6A 12VGeneral Purpose with Socket Relay DPDT (2 Form C) 12VDC Coil DIN Rail | Phoenix Contact |
| 7 | RT424A06 | RELAY GENERAL PURPOSE DPDT 8A 6VGeneral Purpose Relay DPDT (2 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2940359 | RELAY MODULE DIN RAIL 1PDT 24VRelay Coil | Phoenix Contact |
| 9 | V23061A1005A402 | RELAY GEN PURPOSE SPST 8A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |