| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-RTU | REMOTE TERMINAL UNIT RTU | Digi International |
| 2 | G6A-274P-ST40-US-DC9 | RELAY GENERAL PURPOSE DPDT 2A 9VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | RSE120163 | LOW PROFILE, 2 POLE/5 AMP, WCRelay | Amphenol Pcd |
| 4 | P2CF-08 | SOCKET DIN MNT 8PIN SCREW TERMRelay Socket DIN Rail | Omron Automation and Safety |
| 5 | ST-SS | SOCKET RELAY FOR ST1/2 SOLDERRelay Socket Chassis Mount | Panasonic Electric Works |
| 6 | MKS2PIDC12 | RELAY GEN PURPOSE DPDT 10A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 7 | KUHP-11A51-24 | RELAY GEN PURPOSE DPDT 20A 24VGeneral Purpose Relay DPDT (2 Form C) 24VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | 70GRCK16I | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |