| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | RS6 | RELAY SOCKET 22 PINRelay Socket Channel, Track | Curtis Industries |
| 3 | 2946722 | RELAY GEN PURPOSERelay | Phoenix Contact |
| 4 | 4-1904045-3 | V23333Z0002A010-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | S4EB-L2-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay SPST-NO (1 Form A) x 4 12VDC Coil Through Hole | Panasonic Electric Works |
| 6 | ADJ14024 | RELAY GEN PURPOSE SPDT 16A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Panasonic Electric Works |
| 7 | G5LE-1 DC24 | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | 9402-05-00 | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | ARE134H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |