| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RS4 | RELAY SOCKET 16 PINRelay Socket Channel, Track | Curtis Industries |
| 2 | 2900934 | RIF-2-BPT/4X21Relay | Phoenix Contact |
| 3 | PY11-0 | SOCKET PCB FOR MY3Relay Socket Through Hole | Omron Automation and Safety |
| 4 | KHAU-17A12-120 | RELAY GEN PURPOSE 4PDT 5A 120VGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | 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 |
| 6 | T90N5D12-18 | RELAY GEN PURPOSE SPDT 20A 18VGeneral Purpose Relay SPDT (1 Form C) 18VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 2972835 | I/O MOUNTING BOARD 4POSI/O Module Rack 4 Channel | Phoenix Contact |
| 8 | 9202-05-20 | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | 2972987 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |