| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | JRE400101 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 3 | JRS200310 | QUICK MOUNT, 2 POLERelay | Amphenol Pcd |
| 4 | HC4-PS-K | ACCY RELAY SOCKET W/CLIP HC4 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 5 | P7SA-10P | SOCKET RELAY 4POLES G7SA PCBRelay Socket Through Hole | Omron Automation and Safety |
| 6 | SP4-DC12V | RELAY GEN PURPOSE 4PDT 10A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Panasonic Electric Works |
| 7 | 5529191 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 8 | ARS14Y12 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 9 | CB1-R-24V | RELAY AUTOMOTIVE SPDT 20A 24V | Panasonic Electric Works |