| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 910099 | RELAY SOCKET 120VAC COMBI FOOTRelay Socket DIN Rail | Weidmuller |
| 3 | RSL116058 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 4 | HJ2-SFD | SOCKET TERM 2CHAN FOR HJ2 RELAYSRelay Socket DIN Rail | Panasonic Electric Works |
| 5 | P6B-06P | SOCKET BACK-CONNECTING FOR G6BKRelay Socket Through Hole | Omron Electronics Inc-EMC Div |
| 6 | PTF11QDC | RELAY SOCKET CHASSIS MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 7 | 6-1415035-1 | SOCKET 5MM W/SCREW TERM DINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 8 | JS1F-B-24V-F | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |