| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | KUL-4230 | 7-1393115-6Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 3 | PRD-11DY0-24 | RELAY GEN PURPOSE DPDT 25A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | SP4-DC12V | RELAY GEN PURPOSE 4PDT 10A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 5 | RM607012 | RELAY GEN PURPOSE 3PST 10A 12VGeneral Purpose Relay 3PST-NO (3 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | XT424524 | RELAY GEN PURPOSE DPDT 8A 24VGeneral Purpose Relay DPDT (2 Form C) 24VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | T92S7A22-24 | RELAY GEN PURPOSE DPST 30A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | P7TF-OS16-1 DC12-OLD | RELAY BLK OUTBASE ONLY 12VDCI/O Module Rack Channel | Omron Automation and Safety |
| 9 | 2972893 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |