2D51 Overview
The 2D51 photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide protection in duct applications when installed with an Innovair Flex 4-wire duct smoke detector housing and to be used with patible UL listed control panels only. The 2D51 can also be used in pendant mount applications when installed with a B210LP or B501 base and D4P120 power board ponents.