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541NCSRH
Four Wire Photoelectric Smoke, with Sounder, Relay, Heat, 12/24VDC
Can use as a Replacement for ESL 449CSRH which is discontinued
The 500N series two- and four-wire conventional photoelectric smoke detectors bring together trusted technology and a full line of features to meet the demands of every type of application. The 500N offers sounder models in two- and four-wire applications, specifically to meet residential code requirements. The 521NCSXT has the additional benefit of low current draw which makes it compatible with a wide variety of control panels. The 500N series also offers choices for optional auxiliary relays and isolated heat sensors, not available before in the 500 series. GE offers CleanMe®, dust compensation, field replaceable optical chambers, multiple criteria heat algorithms, and self-diagnostics features.
