| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSN116140 | 2,4 POLE/10 AMP, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 3 | RSN116810 | 2 POLE/10 AMP, NON ENVIRONMENTALRelay | Amphenol Pcd |
| 4 | RSE116681 | LOW PROFILE, 4 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 5 | RSE500413 | SMITHSRelay | Amphenol Pcd |
| 6 | 2912426 | PLC-BSP- 12DC/21-21Relay | Phoenix Contact |
| 7 | VCFM-1002 | RELAY SOCKET HOUSING 5 POSRelay Housing Wiring Harness, Interlockable | TE Connectivity Potter & Brumfield Relays |
| 8 | MGN2A-DC12 | RELAY GEN PURPOSE DPST 30A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Chassis Mount | Omron Automation and Safety |
| 9 | HC2-HP-DC24V-F | RELAY GEN PURPOSE DPDT 7A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |