| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TXS2-L-4.5V-1 | RELAY GEN PURPOSE DPDT 10MA 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | 2901873 | RIF-0-BPT/1Relay | Phoenix Contact |
| 3 | 9-1415071-1 | SOCKET W/SCREW FOR DINRAILRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | 2912497 | RELAY GEN PURPOSE DPDT 6A 12VGeneral Purpose with Socket Relay DPDT (2 Form C) 12VDC Coil DIN Rail | Phoenix Contact |
| 5 | G2R-24-AC220 | RELAY GEN PURPOSE DPDT 4A 220VGeneral Purpose Relay DPDT (2 Form C) 220VAC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | 2970882 | INTERFACE MODULE W/PLUG-IN SCKTI/O Module Rack 4 Channel | Phoenix Contact |
| 8 | P7TF-OS16-1 DC12-OLD | RELAY BLK OUTBASE ONLY 12VDCI/O Module Rack Channel | Omron Automation and Safety |
| 9 | PT28800 | RETAINING CLIP METAL PT SERIESClip, Hold Down PT78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |