ESL 521B Smoke Detector, 2 Wire, 6-24VDC

 

 

 

 

 

 

Smoke Detector, 500 Series, Photo, 2-wire, CleanMe®, 6-24VDC
Discontinued and Replaced with 521NB

 

Replacement for ESL 429C

 

 

Alarm Current Consumption[Maximum]
60.0 mA
Detector Head Depth[Nominal]
2.0 in
Detector Head Diameter[Nominal]
5.0 in
Drift Compensation Adjustment
1 %/ft
Field Wiring Size[Minimum]
12.0 AWG
Field Wiring Size[Maximum]
24.0 SWG
Heat Detection Specifications - Fixed[Nominal]
135.0 °F
Heat Detection Specifications - Rate of Rise
>105°F and Rate of Rise 15°F/min
Maximum Ripple[Maximum]
10.0 %
Operating Humidity[Minimum]
0.0 % RH
Operating Humidity[Maximum]
95.0 % RH
Operating Temperature[Minimum]
32.0 °F
Operating Temperature[Maximum]
100.0 °F
Packaging Basis[Nominal]
10.0 per carton
Reset Time[Maximum]
1.0 s
Sensitivity - Photoelectric[Minimum]
0.05 %
Sensitivity - Photoelectric[Maximum]
3.1 %
Sensitivity - Photoelectric[Nominal]
3.1 %
Standby Current Consumption[Nominal]
70.0 µA

 

  • Model: ESL 521B
  • 0 Units in Stock
  • Manufactured by: ESL

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