| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | 2980364 | TERM BLOCKRelay | Phoenix Contact |
| 3 | HC2-SFD-K | SOCKET SCRW W/CLIP FOR HC2 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 4 | RSE116685-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | 2900961 | RIF-4-BPT/3X21Relay | Phoenix Contact |
| 6 | 185402-2 | MODULAR RELAY HOLDERRelay | TE Connectivity Potter & Brumfield Relays |
| 7 | MGN1X-DC12 | RELAY GEN PURPOSE SPST 30A 12VGeneral Purpose Relay SPST-NO (DM) (1 Form X) 12VDC Coil Chassis Mount | Omron Automation and Safety |
| 8 | T9AV5D22-22 | RELAY GEN PURPOSE SPDT 20A 22VGeneral Purpose Relay SPDT (1 Form C) 22VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | G7L-2A-T-J-CB-DC24 | RELAY GEN PURPOSE DPST 25A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |