| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSN116140 | 2,4 POLE/10 AMP, 3 POLE/25 AMP,Relay | Amphenol Pcd |
| 3 | 2-1415899-0 | RZ03-1C4-D006Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 4 | 18782B200 | RELAY GEN PURPOSE DPDT 20A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | DK1A1B-L2-5V | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Panasonic Electric Works |
| 6 | PT570524 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | 70GRCK16-HL | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | PB-24SM-BC | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 9 | SLI12CR | DELCON 12VDCIN/60VDC 50MAOUTDC Input Module Output Module 50mA 0 ~ 60VDC Output 12VDC Supply | Weidmuller |