ESL 521BXT Photoelectric Smoke Detector w/ Thermal Sensor
$75.00
The ESL 521BXT is a 2-wire, photoelectric smoke detector w/ fixed and rate of rise dual heat sensor designed for use with NetworX fire alarm control panels.
Operating voltage 6-24VDC
CleanMe feature sends signal to the ESL 505 module (sold separately). The ESL505 is an interface module that will signal a 24V panel via relays when the 521 is dirty.
NOTE: See also System Sensor 2WT-B for equivalent product.
