| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6E-134PL-ST-US-DC12 | RELAY GEN PURPOSE SPDT 2A 12VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | G6K-2F DC5 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | 2-1416100-3 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 5 | 1860000-1 | SOCKET RELAY 4P DIN SCREWLESSRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | HE1AN-AC24V | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VAC Coil Chassis Mount | Panasonic Electric Works |
| 7 | T9CP5A54-120 | T9CP5A54-120Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 8 | ALE1PB48 | RELAY GEN PURPOSE SPST 16A 48VGeneral Purpose Relay SPST-NO (1 Form A) 48VDC Coil Through Hole | Panasonic Electric Works |
| 9 | G2R-24-AC220 | RELAY GEN PURPOSE DPDT 4A 220VGeneral Purpose Relay DPDT (2 Form C) 220VAC Coil Through Hole | Omron Electronics Inc-EMC Div |