| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TXS2-L2-4.5V | RELAY GEN PURPOSE DPDT 1A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | G6SU-2F-TR DC3 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | JRE400100 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 5 | ZRLS12NA | DIN RAIL RLY SCKT 12/24VAC/DCRelay | Carlo Gavazzi Inc. |
| 6 | HE2AN-S-DC12V | RELAY GEN PURPOSE DPST 25A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Chassis Mount | Panasonic Electric Works |
| 7 | G4W-1112P-US-TV8-HP-DC12 | RELAY GEN PURPOSE SPST 15A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | PB24 | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 9 | 70MRCK24-DIN | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |