Wheelock Series MT Multitone Horns and Multitone Horn-Strobes - K-75-001 - Industry & Range Guard (wet & dry chemical)
K-75-001

Eaton’s Wheelock Series MT Multitone Horns and Horn Strobes are compatible with Kidde Fire Systems' AEGIS™ and ARIES™ families of Fire-Alarm Suppression Control Units and offer a choice of eight (8) nationally and internationally recognized alerting sounds: Horn, Bell, March Time Horn, Code-3 Tone, Code-3 Horn, Slow Whoop, Siren or Hi/Lo Tone.

The Code-3 horn and tone patterns are engineered to comply with NFPA/ANSI Temporal Pattern specifications without requiring additional equipment.

The MT Strobes are designed for ADA applications with maximum performance, reliability and cost-effectiveness while meeting or exceeding the requirements of NFPA 72, ANSI 117.1, UFC and UL Standard 1971 as well as meeting ADA requirements concerning photosensitive epilepsy.

Each MT and MT Strobe appliance has two user selective sound output levels: STANDARD dBA and HIGH dBA. The MT-12/24 provides dual voltage capability in one unit, 12 VDC or 24 VDC operation, filtered or FWR. The MT Strobe Electronic appliances operate with 24 VDC and may be used with filtered or unfiltered (fullwave-rectified) input voltages. Separate input terminals are available and shunt wires are provided to enable both tone and strobe to operate simultaneously from a single input.

The Multitone Strobe appliances are UL Listed for indoor wall mount applications, under Standard 1971 for Devices for the Hearing Impaired and under Standard 464 for Audible Signal Appliances. MT Strobe models are listed for indoor use with a temperature range of 32°F to 120°F (0°C to 49°C) and maximum humidity of 93% ± 2%.

The MT-12/24 and MTWP models for outdoor use are Listed for -31°F to 150°F (-35°C to 66°C) and maximum humidity of 95%. The strobe devices use a Xenon flashtube with solid state circuitry enclosed in a rugged Lexan® (or equivalent) lens to provide maximum reliability for effective visible signaling. Strobe lens markings available for “Fire” and “Agent” labeled applications.

The Series MT appliances have IN and OUT wiring terminations that accept two #12 to #18 AWG wires at each terminal. Inputs are polarized for compatibility with standard reverse polarity type supervision.

• Approvals include: UL 1971, UL 1638, UL 464, and California State Fire Marshal (CSFM). The MT-12/24-R and MTWP-2475W-FR are also FM approved

• Designed to meet or exceed ADA/NFPA/UFC/ANSI Standards and Accessibility Guidelines

• Meets OSHA 29 Part 1910, 165

• One alarm appliance with eight (8) selective signals to provide superior sound penetration for various ambient and wall conditions with two field selectable sound output levels

• Audible and strobe can operate from a single signaling circuit with any of the eight (8) audible signals

• Code-3 Horn and Tone meet ANSI/NFPA temporal pattern for standard emergency evacuation signaling

• Multi-Candela MT Strobe models available with field selectable 15/30/75/110 candela settings

• Weatherproof MT Strobe models available with 180 candela rating

• FIRE and AGENT markings available

• Polarized inputs for compatibility with standard reverse polarity type supervision of circuit wiring by an alarm panel

• Flush and surface mount options; no additional trimplate required for flush mounting

• IN and OUT wiring terminations that accept two (2) #12 to #18 AWG wires at each terminal

• Strobes are designed to flash at 1 flash per second minimum over their “Regulated Voltage Range” (16-33v for 24VDC units and 8-17.5v for 12VDC units).

• All candela ratings represent minimum effective Multitone Strobe intensity based on UL 1971.

• The MT Audible is UL 464 Listed.

• “Regulated Voltage Range” is the terminology used by UL to identify the voltage range. Prior to this change, UL used the terminology “Listed Voltage Range.”

ORDERING INFORMATION

Part Number - Input Voltage - Rated Candela - Strobe Label - Mounting* Options

• MT-12/24-R 12/24 --- --- B,H,I,J,K

• MT-24MCW-FR 24 15/30/75/110 FIRE B,H,I,J,K

• MT-24MCW-AR 24 15/30/75/110 AGENT B,H,I,J,K

• MTWP-2475WFR 24 180@ 77°F (25°C); 75 cd @ -31°F (-35°C) FIRE H,H+WP-KIT,S

MOUNTING OPTIONS

Part Number - Mounting Options*

• DBB-R A

• ISP-R B

• WBB-R E

• IOB-R H

• RP-R J

• IOB + WP-KIT H, H plus WP-KIT

• WFP S

The MT-12/24-R and the MTWP-2475W-FR can be used in weatherproof applications using mounting options H, H plus the WP-KIT and S.

*Letters correspond to letter of applicable mounting options from datasheet K-75-008. For complete mounting options, refer to the Notification Appliance Mounting Accessories datasheet K-75-008.

The technical data contained herein is limited strictly for informational purposes only. Kidde-Fenwal believes this data to be accurate, but it is published and presented without any guarantee or warranty whatsoever.

All trademarks are the properties of their respective owners.

This literature is provided for informational purposes only. Kidde-Fenwal, Inc. assumes no responsibility for the product’s suitability for a particular application. The product must be properly applied to work correctly.