Edwards Signaling HPSA15G2570 15-Watt Loudspeaker, Gray 24/02 The red LED will illuminate

The red LED will illuminate when the module is activated

The detector utilizes an infrared LED light source and silicon photo diode receiving element in the smoke chamber

They can be connected along with other multiplex (MUX) devices on the FPE-7039

One of five optional modules may be installed in the base unit

The BATB Family of battery boxenclosures is red for use in fire alarm systems

Edwards Signaling HPSA15G2570 15-Watt Loudspeaker, Gray 24/02 The red LED will illuminateThe HPSA15 loudspeaker is a high efficiency double re entrant loudspeaker that delivers 15 watts of continuous power. Its unique design provides exceptional intelligibility, making it ideal for fire alarm and life safety applications. It is UL 1480 listed as a fire protective signalling speaker. The HPSA15 operates within a nominal frequency response range of 400 14,000 Hz, and provides audible output of 120 dB (peak at one meter) at the rated power