Edwards Signaling 5520D-AW


Duotronic Electronic Signal, Horn/Siren, Diode Polarized, 24 VDC, 0.35 A

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  • Factory New
Brand: Edwards Signaling FireAlarm.com Part #: 57794 Categories: , Manufacturer Part #: 5520D-AW


Edwards D2 Class devices are low current, high performance, high decibel audible signals which may be coded from an external source or used as a continuous alarm. They are designed to function as either a horn or siren by setting an internal, tamper proof switch.

The 5520D is primarily intended for use in applications requiring electrical supervision of signaling circuit field wiring. These signals may also be used for unsupervised signaling applications.


Weight 10.72 lbs
Dimensions 8.00 × 11.00 × 14.00 in



Edwards Signaling

Production Status



D2 Class; Electronic Horns and Sirens
Edwards Signaling – Catalog Page
Weatherproof Mounting Boxes
Edwards Signaling – Data Sheet
Duotronic Signals
Edwards Signaling – Installation Instructions

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