| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | G6S-2 DC9 | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | AGQ260S4H | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 911365 | RSM 4 24VAC DPDT 10A SKTRelay | Weidmuller |
| 5 | JRS400510 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 6 | PYF14A-C | SOCKET 4POLRelay Socket DIN Rail | Omron Automation and Safety |
| 7 | 11R-SOCKET | SOCKET RELAY PCB 11POSRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | PT570110 | RELAY GEN PURPOSE 4PDT 6A 110VGeneral Purpose Relay 4PDT (4 Form C) 110VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | T90N5D12-18 | RELAY GEN PURPOSE SPDT 20A 18VGeneral Purpose Relay SPDT (1 Form C) 18VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |