| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2900961 | RIF-4-BPT/3X21Relay | Phoenix Contact |
| 3 | MKS1XT-10 AC240 | RELAY GEN PURPOSE SPST 10A 240VGeneral Purpose Relay SPST-NO (1 Form A) 240VAC Coil Socketable | Omron Automation and Safety |
| 4 | V23061B1005A501 | RELAY GEN PURPOSE SPDT 8A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | RT31L024 | RELAY GEN PURPOSE SPDT 16A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 2204-05-421 | RELAY RF SPST 500MA 5V | Coto Technology |
| 7 | ACNM7112SAZ | MIDDLE LOAD RELAY FOR SMART J/B | Panasonic Electric Works |
| 8 | CB1AF-R-M-24V | RELAY AUTOMOTIVE SPST 20A 24V | Panasonic Electric Works |
| 9 | G6ZU-1F-A DC4.5 | RELAY RF SPDT 10MA 4.5V | Omron Electronics Inc-EMC Div |