| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 910503 | RSM 1 24VAC SPDT SOCKETRelay | Weidmuller |
| 3 | SFS6-PS | SOCKET RELAY 6P SAFETYRelay Socket Through Hole | Panasonic Electric Works |
| 4 | 27E129 | R10 RELAY SOCKETS-TERMINALSRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | V23092-A1024-A801 | RELAY GEN PURPOSE SPDT 6A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | HK8 | HARDWARE KIT STANDOFF & SCREWSHardware Kit PM22 Series | Sensata-Crydom |
| 7 | LY2F-BLUE COVER BY OMI | RELAY TERMINAL COVERSCover, Terminal LY Series | Omron Automation and Safety |
| 8 | ARN30A4HX | RELAY RF SPDT 4.5V | Panasonic Electric Works |
| 9 | DRC3R48E440 | CONTACTOR SSR 3PH REV 400V 7.6A | Sensata-Crydom |