| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2-12V-3 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE116663 | LOW PROFILE, 4 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 4 | MY4N AC24 (S) | RELAY GEN PURPOSE 4PDT 3A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | Omron Automation and Safety |
| 5 | 7-1415538-5 | RT334024WGRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 6 | T92S7D22-18 | RELAY GEN PURPOSE DPST 30A 18VGeneral Purpose Relay DPST-NO (2 Form A) 18VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | ADJ24005 | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 2905196 | MODULEI/O Module Rack 16 Channel | Phoenix Contact |
| 9 | 2833628 | RELAY RETAINING BRACKETClip, Hold Down PR3 Series | Phoenix Contact |