Max Size Available
Electric operation is available for doors up to 683 square feet in area with the width and height not exceeding 494 in., and 304 in. respectively.
UL and FM 3-hour labels
Available with UL and FM 3-hour labels for doors up to 12' (3.7 m) wide or high
UL oversize labels
Available with UL oversize label for doors up to 14' (4.2 m) wide or high
NFPA-80 compliant
MEA and CSFM labels
Labeled to meet New York City and California State Fire Marshal fire safety standards
Fusible link for added safety
Fusible link separates at 165°F (74°C) to automatically close the door
Controlled rate of descent for added safety
Governor controls rate of door descent during a fire
Welded wall angle
UL-listed welded wall angle (630 Series) for face-of-wall applications in masonry fire walls eliminates drill and tap processes
UL 1.5-hour non-masonry labels
1 1/2-hour UL label for non-masonry applications (630 and 631 Series)
Guide assemble rest on sill for flush guide installation
Locking standards
Slide bolt on push-up and crank
Drivetrain on motor