| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | KCP-11-2500 | RELAY GENERAL PURPOSE DPDT 2AGeneral Purpose Relay DPDT (2 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 3 | JRE400200 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 4 | SFS6-SFD-R | TERMINAL SKT SPADE & RING 6POLERelay Socket DIN Rail | Panasonic Electric Works |
| 5 | 2980351 | 6.2MM PLC BASIC TERM BLOCK 120VRelay | Phoenix Contact |
| 6 | 2-1904045-7 | V23333Z0002B049-EV-100Relay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PRD-11DH0-12 | RELAY GEN PURPOSE DPDT 20A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 9-1415520-1 | RELAY GEN PURPOSE SPST-NC 16A 5VGeneral Purpose Relay SPST-NC (1 Form B) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | G8N-1U-DC12 | RELAY AUTOMOTIVE SPDT 30A 12V | Omron Electronics Inc-EMC Div |