| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 5-1462037-5 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | 27E1039 | SOCKET SCREW TERM RKS SERRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | XT484T30 | RELAY GEN PURPOSE DPDT 8A 230VGeneral Purpose Relay DPDT (2 Form C) 230VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | MT323024 | RELAY GEN PURPOSE 3PDT 10A 24VGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | 2972974 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 7 | 9814-03-20 | RELAY RF SPST 250MA 3.3V | Coto Technology |
| 8 | 70M-IDC15 | INPUT MODULE DC 18MA 15VDCDC Input Module Output Module 10mA 15VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 9 | ARS14Y4HZ | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |