| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | AGQ21TA2HX | RELAY GEN PURPOSE DPDT 2A 2.4VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6K-2F-Y-TR DC3 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 5 | AT8-RR | SOCKET REV PM 8 PINRelay | Panasonic Industrial Automation Sales |
| 6 | 4073720000 | REL SOCKET 5POL FOR SNR/APE RERelay | Weidmuller |
| 7 | NC2D-JP-DC3V | RELAY GENERAL PURPOSE DPDT 5A 3VGeneral Purpose Relay DPDT (2 Form C) 3VDC Coil Through Hole | Panasonic Electric Works |
| 8 | RZ03-1A4-D012 | RELAY GEN PURPOSE SPST 16A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | RP818024 | RELAY GEN PURPOSE SPDT 12A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |