Model 450E electronic horn offers a loud, clear and distinctive tone. It’s often used for general alarming, start and dismissal noticing, coded paging and process control in noisy areas. Its 4-wire terminal block and supervisory diodes design make it ideal for fire alarm applications.
Model 450E’s polycarbonate housing and polymeric speaker are corrosion resistant and weatherproof for improved durability in harsh industrial environments. It has no detectable RF emissions in a 30 MHz to 1000 MHz frequency range, which minimizes the potential for electrical device interference.


Operating Temperature Minimum -65 °F
Operating Temperature Maximum 150 °F
Housing Material Non-Metallic Polycarbonate Light Gray
Operating Current 0.12 Amps General Purpose Signal 12VDC
Operating Current 0.22 Amps General Purpose Signal 24VDC
Operating Current 0.25 Amps Fire Regulated 6-33VDC
Net Weight 1 lb
Shipping Weight 1.30 lb
Height 4.110 in
Duty Cycle 4.110 in
Depth 2.790 in

Ordering Information

Model Types
Model Description UPC
450E-024 Horn, electronic, 12-24V, gray 782979231387
Product # Description UPC
FB Box, wall mount 782979223207
FBL Deep wall box for flush mount, 50GC 782979223504
FG Grille, flush mount 782979223603
PR2-NM Projector, double, gray 782979233398
WB-NM Weatherproof back box, gray, non-metallic 782979233190