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NOHMI BOSAI NEC3-24WR Strobe Horn

Made in Japan
Manufacturer: NOHMI BOSAI
Model: NEC3-24WR

Features of NEC3-24WR

  • Selectable candelas: 15, 30, 60, 75 & 110
  • Prewire entire system, install mounting bracket, then install signals
  • Horn/strobe switch selection for high or low dBA
  • Horn/strobe switch for 2400 Hz, mechanical chime and whoop tones
  • Horn/strobe switch for continuous or temporal 3 (not available on whoop tone)
  • Synchronize strobe and/or horn with Gentex AVSM Control Module (Horn silence-able while strobe will remain flashing)
  • Tamperproof re-entrant style grill and locking screw (optional use)

Description of NEC3-24WR

  • The NEC3-24WR is a low profile strobe/horn combination that offers dependable audible and visual alarms and the absolute lowest current available.
  • The NEC3-24WR offers tamperproof field selectable candela options of 15, 30, 60, 75, and 110 candela.
  • The NEC3-24WR horn/strobe offers a continuous or synch-able temporal 3 2400Hz, mechanical and chime as well as whoop tone. All tones are easy for the professional to change in the field by the use of switches.
  • The NEC3-24WR is shipped with a standard 4″ metal mounting plate that allows the installer to easily test for supervision.
  • The product also features a locking mechanism which secures the product to the bracket without any screws showing.
  • The NEC3-24WR is ANSI/UL 464, ANSI/UL 1971, CAN/ULC S525 and/or CAN/ULC S526 listed.

Specification

No. Item Specification
1 Rated voltage 24VDC
2 Operating voltage range 16 to 33VDC
3 Selectable candela of strobe 15, 30, 60, 75, 110
4 Reverberant dBA of horn at 10ft 62 to 82 dBA
5 Anechoic room dBA of horn at 10ft 100 dBA
6 Operating temperature range 0°C to 49°C (32°F to 120°F)

Strobe Current Ratings (mA), 24 VDC (16-33 Volts)

Candela 24 VDC UL Max
15cd 30 mA 42 mA
30cd 42 mA 58 mA
60cd 66 mA 97 mA
75cd 80 mA 116 mA
110cd 103 mA 161 mA

Horn Decibel (dBA) and Current Ratings (mA)

Horn decibel level (dBA) Horn current ratings (mA)
Horn Mode Min, SPL at 10 ft. per ANSI/UL 464 (High) Min, SPL at 10 ft. per ANSI/UL 464 (Low) UL max. regulated 24VDC operating current (High)
Temporal 3 2400 Hz 78 dBA 71 dBA 28 mA
Temporal 3 Mechanical 76 dBA 70 dBA 25 mA
Temporal 3 Chime 70 dBA* 66 dBA 15 mA
Continuous 2400 Hz 81 dBA 74 dBA 28 mA
Continuous Mechanical 80 dBA* 72 dBA 25 mA
Continuous Chime 70 dBA* 66 dBA 15 mA
Whoop 82 dBA* 69 dBA 56 mA

Installation and wiring information

NEC3-24WR

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