The Siemens SL24XHS-FW is a 24 VDC horn-strobe notification appliance in the SL series, supplied in the white wall finish for combined audible and visible alarm signaling on notification circuits.

Compliance

• UL 1971 emergency visible signaling appliances
• UL 464 audible signaling appliances
• UL 864 control unit listing when driven by a listed circuit
• NFPA 72 application

Key features

• Combination horn and strobe in one wall appliance
• 24 VDC nominal notification circuit operation
• Field-selectable candela for coverage tuning
• Synchronizable strobe with compatible sync inputs
• Regulated or full-wave-rectified power compatibility
• White finish, wall-mount housing

Audible and visible notification appliances coordinate occupant evacuation across the protected premises, sequencing horn, speaker, and strobe output from the fire alarm control unit. Specify the variant that matches the circuit type, mounting orientation, and finish required for the installation.

Verify panel/device family compatibility before ordering.