| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | TQ2SA-3V-Z | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | SRSI24AC/DC | RELAY SOCKET TB 6-24VAC DCRelay | B&B SmartWorx, Inc. |
| 4 | 911375 | RSM 4: 120VAC DPDT 10A SOCKERelay | Weidmuller |
| 5 | 211BR | 211BR=ASSEMBLYRelay | TE Connectivity AMP Connectors |
| 6 | 2967785 | 14MM PLC-HC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 7 | DSP1A-PSL2 | SOCKET PC MNT FOR DSP1A-L2 RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 8 | SDT-S-112DMR,000 | RELAY GEN PURPOSE SPST 10A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | OMIH-SH-112D,394 | RELAY GEN PURPOSE SPDT 16A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |