Description

Simplex 4901-9820 An Audible Notification Loud Appliance “Electronic Horn”

System Overview

TrueAlert non-addressable horn model Simplex 4901-9820 is an audible notification appliance with a loud and penetrating, harmonically rich sound that can be controlled either directly from a standard NAC (freerun operation mode) or by the SmartSync two-wire operation mode. In the free-run mode, a positive voltage from the controlling NAC will activate the horn according to the desired output of continuous or coded output per the controlling NAC’s capabilities.

When selected for SmartSync mode and used with compatible Simplex control; this horn can be wire onto the same two-wire NAC circuit as visible appliances but with separately controlled operation. Typical applications are audible notification activate as “onuntil-silenced” and visible notification appliances activated “on-untilreset”. In addition, visible appliances (strobes) on the same circuit are activate with synchronized flashes.

Allowing these separate controls to be carry on the same two-wire NAC circuit can significantly reduce installation time and expense for both retrofit and new construction. This Simplex 4901-9820 horn can be semi-flush or surface mounted on a standard single gang, double gang, or 4″ square (102 mm) electrical box. Optional accessories are available to increase mounting and application flexibility.

Features / Specifications

• Harmonically rich sound output suitable for either steady or pulsed operation
• Diode polarized input for connection to reverse polarity, supervised NACs
• Rugged, high impact, flame retardant red thermoplastic housing
• SmartSync control of horn tone as Temporal Pattern, March Time pattern (at 60 BPM), or on continuously; controlled separately from visible appliances on the same circuit
• Visible appliances on the same circuit operate at a synchronized 1 Hzflash rate
• Operation that allows “on-until-silenced” and “on-until-reset” on the same two-wire pair

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Additional information

Brand

Simplex

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