7100, 7101 – ELECTRIC STRIKE Remote electrical control of any narrow stile or hollow metal door equipped with any 4300, 4500, 4700, 4900 deadlatches. Choice of voltage in AC and DC for intermittent or continuous duty. Specified assembled for either fail-secure (locked when not powered) or fail safe (locked when powered) operation, but can be field converted to the other mode. 7400, 7401 – ULTRALINE ELECTRIC STRIKE Remote electrical control of any narrow stile or hollow metal door equipped with any 4300, 4500, 4700, 4900 deadlatches Electrical actuation unlocks strike jaw, releasing latch bolt so door can be opened without operating latch itself. Extremely compact mechanism fits into aluminum jamb (or opposing door) sections as shallow as 1 1/16″ This non-handed strike features an ultra compact design and an adjustable stainless steel split jaw with 1500lbs of holding fore in fail-secure mode. The strike releases electrically with up to 35lbs of door preload.