| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SS-L2-3V | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | SM11 | INTERFACE MODULE-TERMINAL BLOCKRelay Socket DIN Rail | TE Connectivity AMP Connectors |
| 4 | S4EB-L2-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay SPST-NO (1 Form A) x 4 12VDC Coil Through Hole | Panasonic Electric Works |
| 5 | ALQ309 | RELAY GEN PURPOSE SPST 10A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 6 | 7-1415538-5 | RT334024WGRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | 3-1904022-2 | V23234A1001X036-EV-100Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 8 | JJM1A-12V | RELAY AUTOMOTIVE SPST 20A 12V | Panasonic Electric Works |
| 9 | ACJ5212 | RELAY AUTOMOTIVE SPDTX2 20A 12V | Panasonic Electric Works |