| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SL-L2-3V-Z | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 2950721 | RELAY GEN PURPOSERelay | Phoenix Contact |
| 4 | 2986960 | RELAY SAFETY DPST 5A 24VSafety Relay DPST-NO (2 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | KHAU-17D12-12 | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | 1415898-4 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | T90S5D12-48 | RELAY GEN PURPOSE SPDT 20A 48VGeneral Purpose Relay SPDT (1 Form C) 48VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2972961 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | G5LE-14 DC3 | RELAY GEN PURPOSE SPDT 10A 3VGeneral Purpose Relay SPDT (1 Form C) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |