| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | G6AU-274P-ST-US-DC9 | RELAY GENERAL PURPOSE DPDT 2A 9VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 2 | AGQ20T4H | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | V23079D2003B301 | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | 1-1904045-4 | V23333Z0002A041-EV-144Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | APAN3109 | RELAY PWR PCB SPST 5A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 6 | T9GS2L24-22 | T9GS2L24-22General Purpose Relay SPST-NC (1 Form B) 22VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 8 | PB-16SM-B | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 9 | 70RCK16-HS | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | Grayhill Inc. |