Multi-Candela Simplex Fire Alarm/Flashing Light

TrueAlert® Simplex Fire Alarm Horn/Strobe (A/V)
S4906-0002 (Horn/Strobe A/V)

This is a combined audible and visual notification appliance that integrates an electronic horn and a xenon strobe light. It belongs to the TrueAlert non-addressable series and supports two-wire SmartSync operation. Designed for both wall and ceiling mounting, it delivers synchronized audio and visual alerts for clear and effective fire alarm signaling.

Key Features

Two-wire SmartSync independent control

• Allows independent control of horn and strobe on the same circuit.

• Horn can be silenced separately while strobe continues flashing.

• Horn operates “on-until-silenced”, strobe operates “on-until-reset”.

• Horn tone options: Steady, Temporal, or March Time (60 BPM).

• System-wide synchronized strobe flashing at 1 Hz.

Certified for safety and compliance

• Horn: UL 464.

• Strobe: UL 1971.

• Overall: UL, ULC, CSFM, FM Approved; NYC (MEA) accepted.

Durable design — easy installation & maintenance

• Impact-resistant, flame-retardant plastic housing, available in red or white, with a clear lens.

• ADA compliant.

• Mounts to standard electrical boxes (single/double gang or 4" square); front wiring access simplifies installation.

• Rear housing includes a candela selection jumper tray with yellow indicator flag for easy candela identification.

• Optional accessories available: sound damper, adapter, wire guard.

Technical Specifications

• Operating Voltage: 20 – 30 VDC

• Operating Temperature: 0° – 50°C

• Humidity: up to 93% non-condensing

• Current (RMS at 24 VDC):

  • 15 cd: 50–57 mA

  • 30 cd: 77–88 mA

  • 75 cd: 147–167 mA

  • 110 cd: 190–213 mA

• Dimensions:

  • Wall mount: 130 × 127 × 70 mm

  • Ceiling mount: 121 × 175 × 67 mm

Main Devices (Multi-Candela Horn/Strobe A/Vs)