| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | C93416 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | RS4 | RELAY SOCKET 16 PINRelay Socket Channel, Track | Curtis Industries |
| 4 | 2900260 | PLC-BPT- 24DC/ 1IC/ACTRelay | Phoenix Contact |
| 5 | 2967060 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | 4-1393809-4 | RELAY GEN PURPOSE DPDT 5A 48VGeneral Purpose Relay DPDT (2 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | ARE13A12 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 8 | 9202-05-20TR | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | G3R-IDZR1SN-1 DC12-24 | INPUT MODULE DC 8MA 4-32VDCDC Input Module Output Module 100mA 4 ~ 32VDC Output 12 ~ 24VDC Supply | Omron Automation and Safety |