| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SA-4.5V-Z | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSE116166 | M12283 RLY SKT 8/16 WH C2063-5Relay | Amphenol Pcd |
| 4 | RSL112101 | EXTENDED HEIGHT, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 5 | JRE200301 | QUICK MOUNT, 2 POLE WCRelay | Amphenol Pcd |
| 6 | 2900259 | PLC-BPT-230UC/21HCRelay | Phoenix Contact |
| 7 | RM78702 | RELAY SOCKET PC RM SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | G7J-2A2B-B-W1 AC100/120 | RELAY GEN PURPOSE 4PST 25A 120VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 120VAC Coil Chassis Mount | Omron Automation and Safety |
| 9 | RY2S-UAC120V | RELAY PLUG-IN DPDT 3A 120VACGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Socketable | IDEC |