Wheelock MT-24MCW-AR


Multitone Horn Strobe, Xenon, Wall, Red, Agent, Clear Lens, 15/30/75/110cd, 24V, Indoor

Availability: Please Call for Lead Time

  • Factory New
Brand: Wheelock FireAlarm.com Part #: 12938 Category: Manufacturer Part #: MT-24MCW-AR Tag:


Weight .631 lbs
Dimensions 3.23 × 5.13 × 5.13 in

Lens Color






  • Approvals include: UL Standard 1971, UL Standard 464, ULC-S525, ULC-S526, California State Fire Marshal (CSFM), and Factory Mutual (FM). See approvals by model in Specifications and Ordering Information
  • Designed to meet or exceed ADA/NFPA/UFC/ANSI Standards and Accessibility Guidelines
  • Complies with OSHA 29, Part 1910. 165
  • Series MT appliances have IN and OUT wiring terminations that accept two #12 to #18 American Wire Gauge (AWG) wires at each terminal. Inputs are polarized for compatibility with standard reverse polarity type supervision
  • One alarm appliance with (8) eight selective signals to provide superior sound penetration for various ambient and wall conditions with two field selectable sound output levels
  • Code-3 Horn and Tone meet ANSI/NFPA temporal pattern for standard emergency evacuation signaling. MT (Version 2) Code 3 Horn may be synchronized with the same equipment as the strobe.
  • Audible and strobe can operate from a single NAC circuit or from separate NAC circuits with any of the (8) eight audible sounds
  • MT Strobe models are available with Wheelock patented MCW Multi-Candela strobes with field selectable candela settings at 15/30/75/110cd strobes. Synchronize using the Wheelock Sync Modules or panels with built-in Wheelock Patented Sync Protocol
  • Selectable input voltage on non-strobe versions. Strobe versions are factory set for either 12 or 24VDC, with regulated voltage range, filtered (DC) and FWR
  • No additional trim-plate required for flush mounting


Wheelock MT Multitone Horns and Horn Strobes, Version 2
Installation Instructions: MT-24MCW, MT-121575W Multitone Appliances, Version 2
Wheelock Mounting Accessories


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