MTWP Weatherproof Multitone Electronic Appliances

MTWP Weatherproof Multitone Electronic Appliances
  • Field‑selectable choice of eight nationally and internationally recognized alerting signals
  • Two installer‑selectable sound output levels
  • Strobe rated at 75 cd at -31°F (-35°C) and 180 cd at +77°F (+25°C)
  • NFPA and ANSI compliant
  • UL Listed for indoor or outdoor use
  • Low average current draw
  • Details
    Horn (continuous)
    Current (maximum) at 24 V: High output: 108 mA VDC, 87 mA FWRStandard output:44 mA VDC, 45 mA FWR
    Pattern Description: Broadband continuous horn
    Sound output* at 10 ft (3 m): High output: 92 dBAStandard output: 87 dBA
    Bell
    Current (maximum) at 24 V: High output: 53 mA VDC and 51 mA FWRStandard output: 24 mA VDC, 28 mA FWR
    Pattern Description: 1560 Hz modulated (0.7 sec on, repeat)
    Sound output* at 10 ft (3 m): High output: 86 dBAStandard output: 80 dBA
    Horn (march-time)
    Current (maximum) at 24 V: High output: 104 mA VDC, 87 mA FWRStandard output: 38 mA VDC, 45 mA FWR
    Pattern Description: Horn (0.25 sec on, 0.25 sec off, repeat)
    Sound output* at 10 ft (3 m): High output: 89 dBAStandard output: 84 dBA
    Horn (Code 3)
    Current (maximum) at 24 V: High output: 91 mA VDC, 87 mA FWRStandard output: 35 mA VDC, 45 mA FWR
    Pattern Description: Horn (ANSI S3.41 temporal pattern)
    Sound output* at 10 ft (3 m): High output: 88 dBAStandard output: 83 dBA
    Tone (Code 3)
    Current (maximum) at 24 V: High output: 75 mA VDC, 60 mA FWRStandard output: 35 mA VDC, 36 mA FWR
    Pattern Description: 500 Hz (ANSI S3.41 temporal pattern)
    Sound output* at 10 ft (3 m): High output: 85 dBAStandard output: 80 dBA
    Slow Whoop:
    Current (maximum) at 24 V: High output: 98 mA VDC, 92 mA FWRStandard output: 37 mA VDC, 42 mA FWR
    Pattern Description: 500 Hz to 1200 Hz sweep (4 sec on, 0.5 sec off, repeat)
    Sound output* at 10 ft (3 m): High output: 90 Standard output: 85 dBA
    Siren
    Current (maximum) at 24 V: High output: 104 mA VDC, 92 mA FWRStandard output: 36 mA VDC, 40 mA FWR
    Pattern Description: 600 Hz to 1200 Hz sweep (1.0  sec on, repeat)
    Sound output* at 10 ft (3 m): High output: 89 dBAStandard output: 84 dBA
    High‑Low
    Current (maximum) at 24 V: High output: 57 mA VDC; 58 mA FWRStandard output: 26 mA VDC, 32 mA FWR
    Pattern Description: 1000 Hz and 800 Hz (0.25 sec on, alternate)
    Sound output* at 10 ft (3 m): High output: 86 dBAStandard output: 81 dBA
    Current (maximum) strobe only at 75 cd
    VDC: 138 mA
    VFWR: 222 mA
    Voltage (input)
    Nominal: 24 VDC or FWR
    Range: 16.0 VDC or FWR to 33.0 VDC or FWR
    Relative Humidity: Up to 95%, non‑condensing
    Temperature (Operating): -31°F to +150°F (-35°C to +66°C)
    Dimensions (H x W x D): 5-1/8 in. x 5-1/8 in. x 4-3/8 in. (13 cm x 13 cm x 11.1 cm)
    Material: High‑impact thermoplastic
    At -31°F (-35°C):  75 cd
    At +77°F (+25°C):  180 cd
    1 Strobe Ratings (on axis) are per UL 1971 and are for clear lenses; derate approximately 25% for amber lens and 70% for blue lens.

    Images

     
  • Certificates (2)
    Title Type Language
    UL PDF
    CSFM PDF
     
  • Documents (2)
     
 

Product variants

MTWP-2475W-FR Wall multitone appliance, outdoor, 24V

Red, 24 VDC wall‑mount, four‑wire device with eight tone patterns, two sound output levels, and a strobe rated at 75 cd at -31°F (-35°C) and 180 cd at +77°F (+25°C)

Commercial Type No.: MTWP-2475W-FR
Product No.: F.01U.002.276

 
MTWP-2475C-FR Ceiling multitone appliance, outdoor 24V

Red, 24 VDC ceiling‑mount, four‑wire device with eight tone patterns, two sound output levels, and a strobe rated at 75 cd at -31°F (-35°C) and 180 cd at +77°F (+25°C)

Commercial Type No.: MTWP-2475C-FR
Product No.: F.01U.027.687

 
 
MTWPA-2475W-NW Wall strobe, amber lens, weatherproof

The MTWPA-2475W-NW is a 24 VDC nominal, 30 cd weatherproof strobe with an amber lens. Use the Wheelock DSM-12/24 Synch Module to synchronize these strobes. Use the Wheelock IOB Back Box with exposed conduit to surface-mount the strobe to an outside wall.

Commercial Type No.: MTWPA-2475W-NW
Product No.: F.01U.010.642

 
MTWPB-2475W-NW Wall strobe, blue lens, weatherproof

The MTWPB-2475W-NW is a 24 VDC nominal, 30 cd weatherproof strobe with a blue lens. Use the Wheelock DSM-12/24 Synch Module to synchronize these strobes. Use the Wheelock IOB Back Box with exposed conduit to surface-mount the strobe to an outside wall.

Commercial Type No.: MTWPB-2475W-NW
Product No.: F.01U.010.643

 
 

Accessories

DSM-12/24-R Synchronization module, Wheelock

DSM-12/24-R Synchronization module, Wheelock

A 12/24 VDC Cooper Wheelock module that synchronizes notification appliances on a single Class A or two Class B circuits.

Commercial Type No.: DSM-12/24-R
Product No.: F.01U.001.789