| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | AGQ21TS2HX | RELAY GEN PURPOSE DPDT 2A 2.4VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSL116081 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 4 | 2300200 | SOCKET 12-PINRelay Socket Chassis Mount | Red Lion Controls |
| 5 | KRPA-14DN-24 | RELAY GEN PURPOSE 3PDT 10A 24VGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | G5NB-1A DC24 | RELAY GEN PURPOSE SPST 3A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | T92P7A52-240 | RELAY GEN PURPOSE DPST 30A 240VGeneral Purpose Relay DPST-NO (2 Form A) 240VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | MS-4H | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 9 | CP1-12V | RELAY AUTOMOTIVE SPDT 20A 12V | Panasonic Electric Works |