| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | MGN1C-DC12 | RELAY GEN PURPOSE SPDT 30A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Chassis Mount | Omron Automation and Safety |
| 3 | NC4D-P-DC12V | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 4 | G7L-2A-TUB-CB-AC200/240 | RELAY GEN PURPOSE DPST 25A 240VGeneral Purpose Relay DPST-NO (2 Form A) 240VAC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 5 | RV8H-L-D24 | RV 6MM ASSEMBLED 24VDCGeneral Purpose with Socket Relay SPDT (1 Form C) 24VDC Coil DIN Rail | IDEC |
| 6 | 7-1415014-1 | RT31LA24Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | RP818730 | RELAY GEN PURPOSE SPDT 12A 230VGeneral Purpose Relay SPDT (1 Form C) 230VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | KHAU-11D12-12 | RELAY GEN PURPOSE DPDT 5A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | 70GRCQ32-HL | I/O MOUNTING BOARD G5 32POSI/O Module Rack 32 Channel | Grayhill Inc. |