| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | G6K-2P DC3 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | G70A-ZIM16-5-DC24V | RELAY BLOCK 110VDC INPUT BASERelay | Omron Automation and Safety |
| 4 | NC4D-DC24V | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 5 | T9GS1L24-24 | T9GS1L24-24General Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 72-PMO-1 | CONTROL BOARD SERIAL PROMUXControl Board I/O Module Racks | Grayhill Inc. |
| 7 | 73G-IV10B | I/O MODULE -10-10VDC 12-BIT;4.88Analog Input Module Output Module Output Supply | Grayhill Inc. |
| 8 | T90S1D12-24 | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | G9EN-1-UVD-DC12 | RELAY GEN PURPOSE SPST 60A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |