| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | DS1E-SL2-DC5V | RELAY GENERAL PURPOSE SPDT 2A 5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 2 | DS2Y-S-DC9V | RELAY GENERAL PURPOSE DPDT 2A 9VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | 1393824-9 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 4 | 5521856 | FLKMI/O/G4Relay Socket DIN Rail | Phoenix Contact |
| 5 | NC4-JPS | SOCKET PCB FOR FLAT NC4D-JPRelay Socket Through Hole | Panasonic Electric Works |
| 6 | G5LE-1A DC12 | RELAY GEN PURPOSE SPST 10A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | 70RCK8-HL | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 9 | 70GRCQ24-HL | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |