SIMPLEX Conventional Sounder 4901-9820
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 (free-run operation mode) or by the SmartSync two-wire operation mode.
Inquiry Form
We will get in touch with you shortly
Description
Description
Features
Low current, 24 VDC electronic horn provides:
- 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 with white “FIRE” lettering (white cover is available separately)
Switch selectable horn operation modes:
- Free-Run mode tracks the output of a conventional fire alarm control panel notification appliance circuit (NAC)
- SmartSync two-wire control mode accepts horn control commands from compatible control panels
Free-Run Mode operation provides:
- Horn activated when NAC is in alarm; suitable for Temporal pattern, March Time patterns, or Coded patterns as determined by control panel operation
SmartSync two-wire control of audible and visible notification appliance provides:
- 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 Hz flash rate
- Operation that allows “on-until-silenced” and “on-until-reset” on the same two-wire pair
TrueAlert notification appliance design provides flexible, easy, and convenient semi-flush or surface wall mounting:
- Easily mounts to single gang, double gang, or 4-inch square electrical box
- In/out wiring terminals, 18 AWG to 12 AWG
- Rear of housing does not extend into box
Listing Reference:
• UL listed to Standard 464
• ULC listed to Standard S525
• NEMA 1 rated. See Product Selection for more information
