| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXS2SA-12V | RELAY GEN PURPOSE DPDT 1A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 26532706 | CONTROL DIN RAIL SOCKET 4 POLERelay Socket DIN Rail | Crouzet |
| 4 | 2946735 | RELAY GEN PURPOSERelay | Phoenix Contact |
| 5 | AHNA23 | SOCKET PC PIN FOR HN2 RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 6 | LKP1AF-24V | RELAY GEN PURPOSE SPST 10A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 7 | MJN2CE-DC24 | RELAY GEN PURPOSE DPDT 20A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | Omron Automation and Safety |
| 8 | 1393026-8 | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | PB-16SM | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |