| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXS2-4.5V | RELAY GEN PURPOSE DPDT 1A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | 1393824-4 | RELAY SOCKET SOLDER SIZE IRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | KRPA-14DG-24 | RELAY GEN PURPOSE 3PDT 10A 24VGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | 2981059 | RELAY SAFETY 3PST 6A 24VSafety Relay 3PST-NO (3 Form A) 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 6 | T92S11D22-12 | RELAY GEN PURPOSE DPDT 30A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | PB-24MD | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 8 | OAC-5A | OUTPUT MODULE AC STD 20MA 5VDCAC Output Module Output Module 0.05 ~ 3A 24 ~ 280VAC (240VAC Nom) Output 5VDC (3 ~ 8VDC) Supply | TE Connectivity Potter & Brumfield Relays |
| 9 | CB1AH-R-12V | RELAY AUTOMOTIVE SPST 70A 12V | Panasonic Electric Works |