| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | UD2-5SNU | RELAY GEN PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 3 | RS6 | RELAY SOCKET 22 PINRelay Socket Channel, Track | Curtis Industries |
| 4 | JRS400200 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 5 | 5-1415034-1 | SOCKET W/SCREW FOR DINRAILRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | RV8H-L-D12 | RV 6MM ASSEMBLED 12VDCGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | IDEC |
| 7 | G2R-2-S DC5(S) | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Omron Automation and Safety |
| 8 | 2900899 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | PB-16SM | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |