| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | JRE400300 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 3 | 27E212 | SOCKET DP-2P R10 SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | SR2P-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | 2903294 | RELAY GEN PURPOSE 3PDT 8.5A 24VGeneral Purpose with Socket Relay 3PDT (3 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | KUP-14D15-32 | RELAY GEN PURPOSE 3PDT 10A 32VGeneral Purpose Relay 3PDT (3 Form C) 32VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | 1462050-4 | RELAY RF SPDT 2A 12V | TE Connectivity Potter & Brumfield Relays |
| 8 | ARE1009 | RELAY RF 1 FORM C 9V | Panasonic Electric Works |
| 9 | 9270-24-00TR | RELAY RF SPST 500MA 24V | Coto Technology |