| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | G6S-2F DC3 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | SKTDIN00 | DIN RAIL MOUNT 8-PIN OCTALRelay Socket DIN Rail | Red Lion Controls |
| 4 | 27E713 | SOCKETRelay Socket | TE Connectivity Potter & Brumfield Relays |
| 5 | 2941183 | RELAY GENERAL PURPOSE SPST 3A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VAC/DC Coil DIN Rail | Phoenix Contact |
| 6 | T92S11A22-208 | RELAY GEN PURPOSE DPDT 30A 208VGeneral Purpose Relay DPDT (2 Form C) 208VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | G6B-2114P-1-US DC24 | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | NC2EBD-DC5V | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 9 | 2974914 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |