| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | RSE116696-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | 608BR | 608BR=ASSEMBLYRelay | TE Connectivity AMP Connectors |
| 4 | 18837 | RELAY SOCKETRelay | Curtis Industries |
| 5 | HJ4-SFD | SOCKET TERM 2/4CH FOR HJ4 RELAYSRelay Socket DIN Rail | Panasonic Electric Works |
| 6 | 2820149 | BASIC TERMINATION BLOCKS 4POSRelay Socket DIN Rail | Phoenix Contact |
| 7 | 1-1904045-5 | RELAY SOCKET HOUSING ISORelay Housing Wiring Harness, Interlockable | TE Connectivity Potter & Brumfield Relays |
| 8 | OJE-SS-112LM,000 | RELAY GEN PURPOSE SPST 3A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | CRF05-1AS | RELAY RF SPST 500MA 5V | Standex-Meder Electronics |