| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SL-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | TQ2SA-6V | RELAY TELECOM DPDT 2A 6VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | TX2-4.5V-1 | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | HC4-SFD-K | SOCKET SCRW W/CLIP DIN HC4 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 6 | PT2L7LB2 | RELAY GEN PURPOSE DPDT 12A 12VGeneral Purpose with Socket Relay DPDT (2 Form C) 12VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 7 | DSP2A-L2-DC9V | RELAY GENERAL PURPOSE DPST 5A 9VGeneral Purpose Relay DPST-NO (2 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 8 | G2R-1A-E-DC48 | RELAY GEN PURPOSE SPST 16A 48VGeneral Purpose Relay SPST-NO (1 Form A) 48VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | 9202-12-00 | RELAY RF SPST 500MA 12V | Coto Technology |