DirectDrive
Emergency Tube
Fully compliant with UL 924.
The DirectDrive Emergency Tube is a UL Type B T8 tube featuring an innovative design that seamlessly incorporates a rechargeable battery into a tube format, ensuring a permanent installation that cannot be easily tampered with or removed accidentally.
Meeting code across the country
Along with UL 924 certification, Keystone’s EMRG Tube also complies with UL 1598C and California Title 20, so it meets codes across various jurisdictions.
Bypass the ballast with DirectDrive
DirectDrive is Keystone’s ballast bypass technology. By bypassing the ballast, compatibility isn’t a concern – a Keystone driver is integrated into the lamp and the lamp is directly wired to the power source. Together, these features help save money and reduce energy use.
5 selectable color temperatures
The EMRG Tube is equipped with Keystone Color Select, allowing the user to choose from among 5 CCT – 3000K, 3500K, 4000K, 5000K, and 6500K – so you can customize the light to your space.
Designed for safety with Keystone quality
The backup battery offers 90-minute minimum illumination duration, and Keystone driver quality ensures consistent performance, providing peace of mind to building occupants and owners alike.