| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | AGQ20TA4HX | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 1904045-3 | V23333Z0002A010-EV-000Relay | TE Connectivity Potter & Brumfield Relays |
| 4 | 4-1904045-1 | V23333Z0001A007-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | DRS1 | DIN-RAIL SOCKET SNGL CHAN RELAYRelay Socket DIN Rail | Sensata-Crydom |
| 6 | 1-1904045-5 | RELAY SOCKET HOUSING ISORelay Housing Wiring Harness, Interlockable | TE Connectivity Potter & Brumfield Relays |
| 7 | XT484S15 | RELAY GEN PURPOSE DPDT 8A 115VGeneral Purpose Relay DPDT (2 Form C) 115VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | PT271012 | RELAY GEN PURPOSE DPDT 12A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 2975722 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |