| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | D3023 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 2 | 5521830 | RELAY SOCKETRelay Socket DIN Rail | Phoenix Contact |
| 3 | 2-1415356-1 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 4 | 2970882 | INTERFACE MODULE W/PLUG-IN SCKTI/O Module Rack 4 Channel | Phoenix Contact |
| 5 | 9903-05-20 | RELAY RF SPST 250MA 5V | Coto Technology |
| 6 | 2900068 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 7 | PB-4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 8 | SY4S-51F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 9 | 70G-OAC5A-L | OUTPUT MODULE AC G5 20MA 5VDCAC Output Module Output Module 0.03 ~ 3.5A 24 ~ 280VAC (240VAC Nom) Output 5VDC (4 ~ 6VDC) Suppl... | Grayhill Inc. |