| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | TQ2SA-L2-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 1423750-1 | ECR0002002=RLY SOCKET KITRelay | TE Connectivity Aerospace, Defense and Marine |
| 4 | HE2AN-S-DC12V | RELAY GEN PURPOSE DPST 25A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Chassis Mount | Panasonic Electric Works |
| 5 | 2966472 | RELAY GEN PURPOSE SPDT 6A 24VGeneral Purpose with Socket Relay SPDT (1 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | G9EA-1-B DC12 | RELAY GEN PURPOSE SPST 60A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 7 | 2900290 | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | Phoenix Contact |
| 8 | LY4-DC12 | RELAY GEN PURPOSE 4PDT 10A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 9 | 70MRCK16-HS | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |