| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 1462038-3 | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | 2967264 | TERM BLOCKRelay | Phoenix Contact |
| 4 | 8869400000 | SCM-I 2CORelay Socket DIN Rail | Weidmuller |
| 5 | G5RL-K1A-E-DC24 | RELAY PWR LATCH SPST 16A 24VDCGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | KHAU-17D12N-110 | RELAY GEN PURPOSE 4PDT 5A 110VGeneral Purpose Relay 4PDT (4 Form C) 110VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | RP420006 | RELAY GENERAL PURPOSE DPDT 8A 6VGeneral Purpose Relay DPDT (2 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2962926 | I/O MOUNTING BOARD 16POSI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | SM-IDC5 | INPUT MODULE DC 34MA 5VDCDC Input Module Output Module 16mA 5VDC Output 3.3 ~ 32VDC (24VDC Nom) Supply | Sensata-Crydom |