| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 8869390000 | SCM-I 4CO NRelay Socket DIN Rail | Weidmuller |
| 2 | 2-1416100-5 | ST4FTP0Relay | TE Connectivity Potter & Brumfield Relays |
| 3 | 1-1904045-4 | V23333Z0002A041-EV-144Relay | TE Connectivity Potter & Brumfield Relays |
| 4 | 7-1415043-1 | SOCKET 8PIN SOLDER TERMRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | HE1AN-S-DC12V | RELAY GEN PURPOSE SPST 30A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Chassis Mount | Panasonic Electric Works |
| 6 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | 70MRCK24-RL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 8 | 2972903 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 9 | G8V-1C7T-R-DC12 | RELAY AUTOMOTIVE SPDT 10A 12V | Omron Electronics Inc-EMC Div |