| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275 | MTRAK M275 VEHICLE MOUNTING UNIT | Digi International |
| 2 | 2-1904045-1 | V23333Z0001A007-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 3 | 2982689 | 6.2MM PLC BASIC TERM BLOCK 5VRelay Socket DIN Rail | Phoenix Contact |
| 4 | NC2-PS | SOCKET PCB FOR SLIM NC2D RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 5 | G5RL-U1-E-DC24 | RELAY PWR LATCH SPDT 16A 24VDCGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | HC2-H-DC12V-F | RELAY GEN PURPOSE DPDT 7A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 7 | T9AS5D22-110 | RELAY GEN PURPOSE SPDT 20A 110VGeneral Purpose Relay SPDT (1 Form C) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | ADQ23Q04H | RELAY GEN PURPOSE SPST 30A 4.5VGeneral Purpose Relay SPST-NO (1 Form A) 4.5VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |