| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | AGQ21TS2HX | RELAY GEN PURPOSE DPDT 2A 2.4VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 2 | D3202 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | RSE116626-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 4 | JRE400210 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 5 | 8-1415035-1 | SOCKET 3.5MM W/SCREW TERM DINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | 2-1904045-7 | V23333Z0002B049-EV-100Relay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | 2IO4A | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | 2971344 | I/O MOUNTING BOARD 4POSI/O Module Rack 4 Channel | Phoenix Contact |