Eaton Horn MT4-115-S

Key Features

• Approvals include: UL Standard 1971, UL Standard 464, ULCS525, 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 trimplate required for flush mounting

The Eaton MT4-115-S Horn, part of the Wheelock MT series, features a selection of eight nationally and internationally recognized alerting sounds, including Horn, Bell, and Siren. Engineered to meet NFPA/ANSI Temporal Pattern specifications, the Code-3 Horn and tone patterns require no additional equipment for compliance. Synchronize the MT horns and horn strobes using Wheelock DSM Sync Modules or Power Supplies, meeting ADA requirements and exceeding NFPA 72, ANSI 117.1, UFC, and UL Standard 1971 regulations. With installer-selectable sound output levels and voltage capabilities, the MT series offers versatile and reliable signaling solutions for fire safety systems.

Technical Specifications