| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 911345 | RSRM 4 24VDC DPDT 10A SKTRelay | Weidmuller |
| 3 | 3-1904045-6 | V23333Z0001B046-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 4 | RP440024 | RELAY GEN PURPOSE DPST 8A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | PB-16HQ | I/O MOUNTING BOARD QUAD 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 6 | PYC-P | HOLD DOWN CLIP LY/MY SERClip, Hold Down LY and MY Series | Omron Automation and Safety |
| 7 | G3PE-545B-2N DC12-24 | RELAY SSR 45A 3PH DIN MNT 2PL | Omron Automation and Safety |
| 8 | G6Z-1FE-A DC4.5 | RELAY RF SPDT 10MA 4.5V | Omron Electronics Inc-EMC Div |
| 9 | DR2260D20WR | RELAY SSR 600V 20A DIN RAIL | Sensata-Crydom |