| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2-L2-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | SRSI24AC/DC | RELAY SOCKET TB 6-24VAC DCRelay | B&B SmartWorx, Inc. |
| 3 | 964599-1 | HALTER F RELAISRelay | TE Connectivity Potter & Brumfield Relays |
| 4 | PRD-11DG0-12 | RELAY GEN PURPOSE DPDT 30A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | RU4S-A110 | RELAY PLUG-IN 4PDT 6A 120VACGeneral Purpose Relay 4PDT (4 Form C) 120VAC Coil Socketable | IDEC |
| 6 | 2971357 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 7 | SY4S-51F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 8 | 2972893 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | 70G-ODC5A | OUTPUT MODULE DC G5 13MA 5VDCDC Output Module Output Module 0.02 ~ 3.5A 4 ~ 200VDC Output 5VDC (4 ~ 6VDC) Supply | Grayhill Inc. |