| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | HG4-SS | SOCKET SLD W/CLIP FOR HG4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 3 | 2967824 | TERM BLOCKRelay | Phoenix Contact |
| 4 | PY14QN2 | SOCKET BACK-MOUNT FOR MY RELAYRelay Socket Panel Mount | Omron Automation and Safety |
| 5 | SFS4-SFD-R | TERMINAL SKT SPADE & RING 4POLERelay Socket DIN Rail | Panasonic Electric Works |
| 6 | 2967073 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VAC/DC Coil DIN Rail | Phoenix Contact |
| 7 | SDT-S-109LMR2,000 | RELAY GEN PURPOSE SPST 5A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | OJE-SH-105DM,000 | RELAY GENERAL PURPOSE SPST 5A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | PT580024 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |