Panels with a Compact Footprint
The Blue Box™ system is a simple, cost-effective alternative to traditional time clocks, twist timers and contactors. Available in three enclosure sizes, the Blue Box family is the ideal solution for most small to medium-sized projects.
![Photo Gallery Item - Brighton Digitalswitch](https://img.acuitybrands.com/public-assets/catalog/128118/br_br_4.jpg?abl_version=10%2f10%2f2022+18%3a15%3a49)
Brighton DigitalSwitch
![Photo Gallery Item - Chelsea Digitalswitch](https://img.acuitybrands.com/public-assets/catalog/128154/ch_ch_1.jpg?abl_version=10%2f10%2f2022+18%3a23%3a55)
Chelsea DigitalSwitch
![Photo Gallery Item - Knightsbridge Digitalswitch](https://img.acuitybrands.com/public-assets/catalog/128153/kb_kb_1.jpg?abl_version=10%2f10%2f2022+18%3a32%3a32)
KnightBridge Digital Switch
![Photo Gallery Item - Switchbolt Digitalswitch](https://img.acuitybrands.com/public-assets/catalog/336780/switchboltdigitalswitch_switchbolt.jpg?abl_version=06%2f30%2f2021+14%3a47%3a38)
*Discontinued* SwitchBolt DigitalSwitch
![Photo Gallery Item - Key Digitalswitch](https://img.acuitybrands.com/public-assets/catalog/336752/keydigitalswitch_keyswitch.jpg?abl_version=08%2f30%2f2021+22%3a20%3a21)
Key DigitalSwitch
![Photo Gallery Item - Indoor Digital Photosensor](https://img.acuitybrands.com/public-assets/catalog/336748/indoordigitalphotosensor_indoor-digital-photosensors.jpg?abl_version=12%2f15%2f2022+19%3a15%3a24)
Indoor Digital Photosensor
![Photo Gallery Item - Outdoor Digital Photosensor](https://img.acuitybrands.com/public-assets/catalog/128684/pcell-2wo_outdoorphotosensor.jpg?abl_version=12%2f15%2f2022+19%3a16%3a53)
PCELL 2WO Outdoor Digital Photosensor
![Photo Gallery Item - Field Configurable Relay](https://img.acuitybrands.com/public-assets/catalog/336713/fieldconfigurablerelay_lcd_techsheet_fcr2.jpg?abl_version=10%2f10%2f2022+18%3a23%3a36)
Single-pole din relay configures into double or triple pole
![Photo Gallery Item - Blue Box LT](https://img.acuitybrands.com/public-assets/catalog/128362/blueboxlt_bblt-series.jpg?abl_version=06%2f11%2f2024+10%3a21%3a13)
Blue Box LT
![Photo Gallery Item - Blue Box LTD](https://img.acuitybrands.com/public-assets/catalog/306073/blueboxltd_blue-box-ltd-family-shot.jpg?abl_version=08%2f31%2f2021+17%3a41%3a19)
Cost-effective dimming and switching
![Photo Gallery Item - Photosensor Input Cards](https://img.acuitybrands.com/public-assets/catalog/128364/gr2400pcc_gr2400-pcc.jpg?abl_version=08%2f31%2f2021+01%3a57%3a18)
Photosensor Input Cards
![Photo Gallery Item - Link-To Building Automation](https://img.acuitybrands.com/public-assets/catalog/128676/gr2400l2bacnet_gr2400-l2-bacnet.jpg?abl_version=07%2f28%2f2021+18%3a38%3a55)
Link-To Building Automation
![Photo Gallery Item - Digilink Interface](https://img.acuitybrands.com/public-assets/catalog/128674/gr2400digilink_gr2400-digilink.jpg?abl_version=08%2f31%2f2021+01%3a17%3a01)
DigiLink Interface
![Photo Gallery Item - Bus Booster](https://img.acuitybrands.com/public-assets/catalog/128673/gr2400booster_gr2400-booster.jpg?abl_version=08%2f31%2f2021+00%3a51%3a43)
Bus Booster
![Photo Gallery Item - Modem Switch](https://img.acuitybrands.com/public-assets/catalog/128683/lcdaccmodsw_lcdacc-modsw.jpg?abl_version=06%2f30%2f2021+14%3a47%3a22)
Modem Switch
Marketing Tools
Technical Tools
User Guides
Chelsea AP Switch Programming Guide
Operation and MaintenanceBlue Box Classic O&M Manual
Blue Box LT O&M Manual
Blue Box LTD O&M Manual
Blue Box Micropanel O&M Manual
Operation and Maintenance