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Smoke Detector, 500 Series, Photo, 4-Wire, Heat, 12/24VDC
Can use as a Replacement for ESL 449AT and ESL 449CT which are 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.
Features:
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Built-in sounder available in two- and four-wire models
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Patented CleanMe® feature
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Built-in dust compensation
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Field-replaceable optical chamber
Alarm @ Relay Specifications
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Alarm Current Consumption[Nominal]
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15.0 mA
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Color
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White
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Detector Head Depth[Nominal]
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2.0 in
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Detector Head Diameter[Nominal]
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5.0 in
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Drift Compensation Adjustment
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1 %/ft
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Field Wiring Size[Minimum]
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12.0 AWG
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Field Wiring Size[Maximum]
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24.0 AWG
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Heat Detection Specifications - Fixed[Nominal]
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135.0 °F
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Heat Detection Specifications - Rate of Rise
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>105°F and Rate of Rise 15°F/min
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Maximum Ripple[Maximum]
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10.0 %
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Mounting Height[Nominal]
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0.3 in
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Operating Humidity[Minimum]
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0.0 % RH
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Operating Humidity[Maximum]
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95.0 % RH
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Operating Temperature[Minimum]
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32.0 °F
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Operating Temperature[Maximum]
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100.0 °F
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Packaging Basis[Nominal]
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10.0 per carton
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Regulatory Approval
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UL
ULC
CSFM
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Relay @ Contact Rating
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Reset Time[Maximum]
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1.0 s
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RFI Immunity @ ..
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Sensitivity - Photoelectric[Nominal]
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3.1 %
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Standby Current Consumption[Nominal]
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70.0 µA
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Storage Temperature[Minimum]
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-4.0 °F
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Storage Temperature[Maximum]
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158.0 °F
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Weight[Nominal]
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9.6 oz
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