| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | HP3-SFD | SOCKET TERM W/CLIP SCREW DIN HP3Relay Socket DIN Rail | Panasonic Electric Works |
| 3 | 910507 | RSM 4 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 4 | RSE116699 | LOW PROFILE, 2 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 5 | 4-1904045-3 | V23333Z0002A010-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | 626040 | RELAY BASE MOLDINGRelay | TE Connectivity Potter & Brumfield Relays |
| 7 | 1393824-5 | RELAY SOCKET SOLDER SIZE IIRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | G5LE-14-36 DC24 | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 9 | T9AV5D22-22 | RELAY GEN PURPOSE SPDT 20A 22VGeneral Purpose Relay SPDT (1 Form C) 22VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |