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GENERAL NOTES <br /> • Strobes are designed to flash at 1 flash per second minimum over their"Regulated Voltage Range" (16-33v for <br /> 24VDC units and 8-17.5v for 12VDC units). <br /> • All candela ratings represent minimum effective Multitone Strobe intensity based on UL 1971. <br /> • The MT Audible is UL 464 Listed. <br /> • "Regulated Voltage Range" is the terminology used by UL to identify the voltage range. Prior to this change, UL <br /> used the terminology"Listed Voltage Range." <br /> Table 1: Alarm Tones Table 2: Current Ratings for Series MT Strobe Portion <br /> Tone Alarm Tones Pattern Description RMS Current(Amps) <br /> Model <br /> Horn Broadband Horn(Continuous) MTWP-2475 MT-24MCW <br /> Bell 1560 Hz Modulated(0.07 sec ON/Repeat) Candela 180cd 15cd 30cd 75cd 110cd <br /> March Time Horn Horn(0.25 sec ON/0.25 sec.OFF/Repeat) 24.0 0.094 0.041 0.063 0.109 0.140 <br /> VDC <br /> Code-3 Horn Horn(ANSI S3.41 Temporal Pattern) <br /> UL Max* 0.138 0.060 0.092 0.185 0.220 <br /> Code-3 Tone 500 Hz(ANSI S2.41 Temporal Pattern) <br /> *RMS current ratings are per UL average RMS method.UL max current rating is <br /> Slow Whoop 500-1200 Hz SWEEP the maximum RMS current within the listed voltage range(16-33v for 24v units).For <br /> (4.0 sec ON/0.5 sec.OFF/Repeat) strobes the UL max current is usually at the minimum listed voltage(16v for 24v units).For <br /> audibles the max current is usually at the maximum listed voltage(33v for 24v units).For <br /> Siren 600-1200 HZ SWEEP(1.0 sec.ON/Repeat) unfiltered FWR ratings,see installation instructions. <br /> Hi/Lo 1000/800(0.25 sec.ON/Alternate) <br /> SPECIFICATIONS <br /> Table 3: UL dBA and Current Ratings for Series MT Audible Portion <br /> RMS Current(Amps) dBA @ 10 FT(UL Reverberant) <br /> per UL 464 <br /> 24 VDC 12 VDC 24 VDC 12 VDC <br /> Tone <br /> HI Output STD Output HI Output STD Output <br /> HI STD HI STD <br /> @ 24 UL @ 24 UL @ 12 UL @ 12 UL Output Output Output Output <br /> VDC max* VDC max* VDC max* VDC max* <br /> Horn 0.074 0.108 0.033 0.044 0.145 0.176 0.023 0.034 92 87 90 77 <br /> Bell 0.040 0.053 0.018 0.024 0.077 0.095 0.014 0.020 86 80 85 69 <br /> March Time Horn 0.067 0.104 0.033 0.038 0.109 0.142 0.023 0.034 89 84 89 74 <br /> Code-3 Horn 0.069 0.091 0.026 0.035 0.100 0.142 0.023 0.034 88 83 88 73 <br /> Code-3 Tone 0.061 0.075 0.026 0.035 0.088 0.105 0.015 0.021 85 80 84 70 <br /> Slow Whoop 0.069 0.098 0.028 0.037 0.100 0.142 0.025 0.035 90 85 89 75 <br /> Siren 0.080 0.104 0.027 0.036 0.122 0.152 0.021 0.030 89 84 89 75 <br /> HULO 0.044 0.057 0.020 0.026 0.089 0.114 0.018 0.026 86 81 86 71 <br /> *RMS current ratings are per UL average RMS method.UL max current rating is the maximum RMS current within the listed voltage range(16-33v for 24v units).For <br /> strobes the UL max current is usually at the minimum listed voltage(16v for 24v units).For audibles the max current is usually at the maximum listed voltage(33v for 24v <br /> units).For unfiltered FWR ratings,see installation instructions. <br /> -2 - <br />