| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 7001213 | RMOBJR-2Relay Socket DIN Rail | Phoenix Contact |
| 3 | 185403-3 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 4 | P3GA-11 | SOCKET 11 PIN OCTAL CHASSIS MNTRelay Socket Free Hanging | Omron Automation and Safety |
| 5 | HE1AN-AC120V | RELAY GEN PURPOSE SPST 30A 120VGeneral Purpose Relay SPST-NO (1 Form A) 120VAC Coil Chassis Mount | Panasonic Electric Works |
| 6 | 5-1415026-1 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | 70L-ODCB | OUTPUT MODULE DC 7MA 5VDCDC Output Module Output Module 0.02 ~ 2A 3 ~ 60VDC Output 5VDC (4.5 ~ 28VDC) Supply | Grayhill Inc. |
| 8 | 2904-12-321 | RELAY RF SPST 500MA 12V | Coto Technology |
| 9 | G9EJ-1-E-UVDDC24 | RELAY AUTOMOTIVE SPST 15A 24V | Omron Electronics Inc-EMC Div |