| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2-L-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | TX2-L2-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | 2271390 | PLUG-IN BASE STD I/O MODULESRelay Socket Through Hole | Phoenix Contact |
| 5 | HC4-SS-K | SOCKET SLD TAB W/CLIP HC4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 6 | 2912345 | 14MM PLC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 7 | PRD-5DY0-12 | RELAY GEN PURPOSE SPDT 25A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | ADW1224HTW | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 9 | ARE10A12 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |