WS34

A compact surface‑mounted siren for indoor use, offering dual-tone output and reliable audible alerts for security systems. Ideal for residential and commercial installations requiring a loud warning device.

🔑 Key Features

• Dual‑tone capability: choose between steady or warble tone

• UL listed for fire and burglary applications

• Produces up to 90 dB at 3 meters in typical setup

• Compatible with standard hardwired alarm panels via bell terminals

• Simple wiring: select tone by wiring red or yellow lead with black power lead

• Surface mount design—easy to install on wall or enclosure

🛠 Technical Specifications

• Model: SD‑15WULF

• Power Rating: 15 watts

• Voltage: 12 V DC (nominal)

• Maximum Current Draw: ~404 mA at 12 V DC

• Sound Output: 90 dB @ 3 m

• Tone Modes: Steady and Warble

• Construction: ABS plastic housing

• Dimensions: 4.3" × 4.3" × 2.2" (≈ 110 × 110 × 55 mm)

• Mounting Style: Surface mount

• Intended Use: Indoor audible signaling for intrusion or fire

🎯 Best Used For

• Adding an audible siren to alarm panels not yet equipped with one

• Indoor environments where a moderate sound level siren is appropriate

• Fire and security systems that require UL‑listed audible signaling

• Installations needing a clean, professional look with minimal bulk

• Upgrading older systems to a dual-tone siren for greater flexibility