| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | HY1Z-4.5V | RELAY TELECOM SPDT 1A 4.5VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 2 | TQ2SA-6V | RELAY TELECOM DPDT 2A 6VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | AGN200A4H | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | RSE120150-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | 5-1904045-2 | V23333Z1001A008-EV-03DRelay | TE Connectivity Potter & Brumfield Relays |
| 6 | SJ1S-07LW | FINGERSAFE DIN SOCKET FOR RJ1Relay Socket DIN Rail | IDEC |
| 7 | MGN1X-DC12 | RELAY GEN PURPOSE SPST 30A 12VGeneral Purpose Relay SPST-NO (DM) (1 Form X) 12VDC Coil Chassis Mount | Omron Automation and Safety |
| 8 | LY4N-D2 DC12 | RELAY GEN PURPOSE 4PDT 10A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 9 | 70RCK4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |