| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SA-L-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6K-2F DC3 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | 2946706 | RELAY GEN PURPOSERelay | Phoenix Contact |
| 5 | 2900938 | RIF-3-BPT/3X21Relay | Phoenix Contact |
| 6 | PTF21PC | RELAY SOCKET CHASSIS MT MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 7 | RJ1S-CL-D24 | RELAY PLUG-IN SPDT 12A 24VDCGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Socketable | IDEC |
| 8 | T90S1D12-110 | RELAY GEN PURPOSE SPST 30A 110VGeneral Purpose Relay SPST-NO (1 Form A) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 1-1415899-2 | RZ01-1C4-D048Relay Coil | TE Connectivity Potter & Brumfield Relays |