| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SA-L2-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | TQ2SA-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | EC2-5TNU | RELAY GEN PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 5 | 5-1462037-7 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | 8869480000 | SRC-1 2CO NRelay Socket DIN Rail | Weidmuller |
| 7 | SZX-SMB-14P | SZR SOCKETPCB TERMINAL SOCKETRelay Socket Through Hole | Honeywell Sensing and Productivity Solutions |
| 8 | HE1AN-DC24V | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 9 | FC-325-2 | RELAY GEN PURPOSE 3PST 25A 28VGeneral Purpose Relay 3PST-NO (DM) (3 Form X) 28VDC Coil Chassis Mount | TE Connectivity Aerospace, Defense and Marine |