| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | DS1E-M-DC5V | RELAY GENERAL PURPOSE SPDT 2A 5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE112061-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 4 | JRS200210 | QUICK MOUNT, 2 POLERelay | Amphenol Pcd |
| 5 | 2833589 | RELAY SKT DPDT OR 4PDT DIN RAILRelay Socket DIN Rail | Phoenix Contact |
| 6 | DK1A1B-L2-3V | RELAY GENERAL PURPOSE DPST 8A 3VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 3VDC Coil Through Hole | Panasonic Electric Works |
| 7 | ALE14B05 | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 8 | SP4-DC12V | RELAY GEN PURPOSE 4PDT 10A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 9 | KUMP-14D18-12 | RELAY GEN PURPOSE 3PDT 15A 12VGeneral Purpose Relay 3PDT (3 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |