| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSE116700-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | 2980018 | PLC-BSC125DC/21Relay Socket DIN Rail | Phoenix Contact |
| 4 | 2700357 | RELAY SAFETY SPST-NO 6A 24VSafety Relay SPST-NO (1 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | HL2-HTM-DC24V-F | RELAY GEN PURPOSE DPDT 10A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 6 | RMC05730 | RELAY GEN PURPOSE SPDT 30A 230VGeneral Purpose Relay SPDT (DB/DM) (1 Form Z) 230VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | ARS1012 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 8 | 70G-ODC15 | OUTPUT MODULE DC G5 9MA 15VDCDC Output Module Output Module 0.02 ~ 3.5A 3 ~ 60VDC Output 15VDC (10 ~ 20VDC) Supply | Grayhill Inc. |
| 9 | 2905984 | BRACKET RETAININGClip, Hold Down RIF-2 Relay Base | Phoenix Contact |