| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2903329 | RELAY GEN PURPOSE DPDT 50MA 24VGeneral Purpose with Socket Relay DPDT (2 Form C) DIN Rail | Phoenix Contact |
| 3 | 911367 | RSM 8 24VAC DPDT SOCKETRelay | Weidmuller |
| 4 | 2820835 | TERM BLOCK 2POSRelay Socket DIN Rail | Phoenix Contact |
| 5 | XT424024 | RELAY GEN PURPOSE DPDT 8A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | G7T-1112S-DC24V | RELAY BLOCK OUTPUT 24VDC NPNDC Output Module Output Module 5A 24VDC Output 24VDC Supply | Omron Automation and Safety |
| 7 | ACJ1212 | RELAY AUTOMOTIVE SPDT 20A 12V | Panasonic Electric Works |
| 8 | CB1AHF-12V | RELAY AUTOMOTIVE SPST 70A 12V | Panasonic Electric Works |
| 9 | JSM1F-12V-5 | JS-M RELAY 12V DC COIL HIGH CAPA | Panasonic Electric Works |