| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2900458 | TERM BLOCKRelay | Phoenix Contact |
| 3 | 2909509 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 4 | V23047-A1021-A511 | RELAY SAFETY DPST 6A 21VSafety Relay DPST-NO/NC (1 Form A, 1 From B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 70GRCK16-HL | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 6 | 70-ODC5R | OUTPUT MODULE STD 10MA 5VDCDC Output Module Output Module 0.5A 0 ~ 120VAC, 0 ~ 100VDC Output 5VDC (4.8 ~ 6VDC) Supply | Grayhill Inc. |
| 7 | ARE1303 | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 8 | ARE13A03Z | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 9 | IAC-5E | INPUT MODULE AC 18MA 5VDCAC Input Module Output Module 18mA 5VDC Output 18 ~ 36VAC (24VAC Nom) Supply | TE Connectivity Potter & Brumfield Relays |