| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | IM02GR | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 2 | SRSI24AC/DC | RELAY SOCKET TB 6-24VAC DCRelay | B&B SmartWorx, Inc. |
| 3 | 910456 | RSM 4 110VAC SPDT 10A SKTRelay | Weidmuller |
| 4 | 910443 | RELAY SOCKET 24VDC 1CH REDRelay Socket DIN Rail | Weidmuller |
| 5 | 2-1904045-6 | V23333Z0001B046-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | 70GRCK4-DIN | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | PB-8SM-B | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 8 | C4IDC | INPUT MODULE DC 20MA 4.5-30VDCDC Input Module Output Module 25mA 4.5 ~ 30VDC Output 10 ~ 32VDC Supply | Sensata-Crydom |
| 9 | 70L-ODC | OUTPUT MODULE DC 7MA 5VDCDC Output Module Output Module 0.02 ~ 2A 3 ~ 60VDC Output 5VDC (4.5 ~ 28VDC) Supply | Grayhill Inc. |