| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2961516 | RELAY GEN PURPOSE SPDT 50MA 120VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Phoenix Contact |
| 3 | SH2B-62 | SOCKET PCB MOUNT FOR RH2BRelay Socket Through Hole | IDEC |
| 4 | AHES4191 | RELAY GEN PURPOSE 3PST 35A 12VGeneral Purpose Relay 3PST-NO/NC (2 Form A, 1 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 5 | 6-1415355-1 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 6 | G4W-1114P-US-TV8-HP-DC12 | RELAY GEN PURPOSE SPST 15A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | G6CU-2114P-US-DC5 | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | G7T-1012S DC24 | RELAY BLOCK OUTPUT SPST-NC 24VDCDC Output Module Output Module 5A 24VDC Output 24VDC Supply | Omron Automation and Safety |
| 9 | AEP51024 | RELAY AUTOMOTIVE SPST 10A 24V | Panasonic Electric Works |