| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2903368 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | RSL112100 | EXTENDED HEIGHT, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 4 | RPM1P | RP RELAY SOCKETRelay Socket DIN Rail | Carlo Gavazzi Inc. |
| 5 | DSP1A-PSL2 | SOCKET PC MNT FOR DSP1A-L2 RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 6 | V23148-A0007-A101 | RELAY GEN PURPOSE SPDT 7A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 2971344 | I/O MOUNTING BOARD 4POSI/O Module Rack 4 Channel | Phoenix Contact |
| 8 | P7TF-OS08-1 DC24 | RELAY BLOCK 8POS PNP OUTBASE 24VI/O Module Rack 8 Channel | Omron Automation and Safety |
| 9 | CM1AF-D-P-12V | RELAY AUTOMOTIVE SPST 35A 12V | Panasonic Electric Works |