| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2900458 | TERM BLOCKRelay | Phoenix Contact |
| 3 | ST-PS | SOCKET RELAY ST1/ST2 PC MNTRelay Socket Through Hole | Panasonic Electric Works |
| 4 | PT5S7RC4 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VAC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 5 | HE2AN-Q-AC120V | RELAY GEN PURPOSE DPST 25A 120VGeneral Purpose Relay DPST-NO (2 Form A) 120VAC Coil Chassis Mount | Panasonic Electric Works |
| 6 | 2900066 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 7 | 1-1462052-7 | RELAY RF SPDT 2A 5V | TE Connectivity Potter & Brumfield Relays |
| 8 | SLO5CRA | DELCON 5VDCIN/250VDC 1.8AOUTDC Output Module Output Module 0 ~ 1.8A 0 ~ 250VDC Output 5VDC Supply | Weidmuller |
| 9 | ARS34Y4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |