Edwards Signaling 521NB overview
521NB is a flame detector made by Edwards Signaling. Edwards Signaling & Security Systems 521NB Detectors and Bases. Photoelectric smoke detector (12/24 VDC) Base 1: N/A UL detector ID S10A Max. per IDC 10
Product details
Manufactured byEdwards Signaling
Product typeFlame Detector
DescriptionEdwards Signaling & Security Systems 521NB Detectors and Bases. Photoelectric smoke detector (12/24 VDC) Base 1: N/A UL detector ID S10A Max. per IDC 10
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Manufactured by
Edwards Signaling
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Product type
Flame Detector
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