| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | AGQ21T4H | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | 2900451 | TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 4 | 2912345 | 14MM PLC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 5 | SP2-SF | ACCY RELAY SOCKET SP SCREW TERMRelay Socket Chassis Mount | Panasonic Electric Works |
| 6 | NC2EBD-DC24V | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 7 | NC4D-P-DC12V | RELAY GEN PURPOSE 4PDT 5A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | G9EJ-1-E-UVDDC24 | RELAY AUTOMOTIVE SPST 15A 24V | Omron Electronics Inc-EMC Div |
| 9 | 1-1414476-0 | HCR 150 | TE Connectivity AMP Connectors |