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MT Multitone Horns and Horn Strobes Technical Data TD450152EN <br /> Effective February2019 <br /> Table 1. Maximum RMS current for strobes <br /> UUULC Max Current D <br /> MT Strobes 24VDC 120 VAC <br /> Regulated Voltage <br /> Model Range VDCNAC 15 30 75 110 180 1575 12 <br /> MT-121575 16.0-33.0 VDC 0.255 <br /> MTWP-2475 16.0-33.0 VDC 0.138 <br /> MT24-MCW 16.0-33.0 VDC 0.060 0.092 0.165 0.220 <br /> MT4-115-WH 96-123 VAC 0.070 <br /> Table 2. Maximum RMS current for audibles <br /> Alarm Tones 24 VDC 12 VDC 120 VAC <br /> HI STD HI STD HI Output STD Output <br /> Output Output Output Output <br /> Horn 0.108 0.044 0.177 0.034 0.050 0.045 <br /> Bell 0.053 0.024 0.095 0.020 0.045 0.045 <br /> March Time Horn 0.104 0.087 0.142 0.034 0.050 0.045 <br /> Code-3 Horn 0.122 0.035 0.200 0.034 0.050 0.045 <br /> Code-3 Tone 0.135 0.035 0.152 0.021 0.045 0.045 <br /> Slow Whoop 0.098 0.037 0.142 0.035 0.050 0.045 <br /> Siren 0.104 0.036 0.152 0.030 0.045 0.045 <br /> H1/1-0 0.057 0.025 0.114 0.026 0.045 0.045 <br /> Table 3. dBA for Multitone Audible Portion <br /> UL Reverberrant dBA at 10 Feet ULC Anechoic dBA at 10 Feet <br /> Alarm Tones 24 VDC 12 VDC 120 VAC Alarm Tones 24 VDC 12 VDC 120 VAC <br /> HI STD HI STD HI STD HI STD HI STD HI STD <br /> Output Output Output Output Output Output Output Output Output Output Output Output <br /> Horn 92 87 92 87 89 86 Horn 99 93 99 87 99 95 <br /> Bell 86 80 86 80 80 74 Bell 92 87 92 73 88 82 <br /> March Time Horn 89 84 89 84 86 83 March Time Horn 99 93 99 86 99 95 <br /> Code-3 Horn 88 83 88 83 85 82 Code-3 Horn 99 93 99 86 99 95 <br /> Code-3 Tone 85 80 85 80 84 81 Code-3 Tone 95 90 91 71 96 92 <br /> Slow Whoop 90 85 90 85 87 84 Slow Whoop 99 94 99 89 99 95 <br /> Siren 89 84 89 84 87 84 Siren 98 93 98 86 98 94 <br /> H1/1-0 86 81 86 81 84 80 H1/1-0 93 88 92 72 95 90 <br /> ,O RMS current ratings are per UL maximum RMS method.UL max current rating is the maximum RMS current within the listed voltage range(16-33v for 24v units). For strobes the <br /> 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 units).For unfiltered <br /> FWR ratings,see installation instructions. <br /> EATON www.eaton.com 3 <br />