Simplex 2901-9723, -9724 Bells

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Listed Peripherals Accessories Chimes and Buzzers Series Modular Design Operating Current DC Operation Standard 4 10.2 cm Outlet Box Mounting High Output Level Simplex 2901 series bells are modular in design provide a loud penetrating sound output that is heard over most ambient noise levels 2901 series bells are designed for installation on standard four inch square electrical box or two inch or non gangable switch box guards which cover the entire unit are also for any bell size The 826 yard hood is for outdoor use to mount a bell mechanism bell gong on a weatherproof box It is designed allow a maximum amount of signal level to radiate the hood outwards yet protect the audible from the elements applications require a weatherproof box Model BBX 4 15.2 cm Bell 25.4 cm Bell CHART VDC Voltage Pressure UL Rating Pressure Typical mA mA 28.8VDC VDC 28.8 VDC dB dB 91 dB 95 dB level measurements are made in accordance UL Standard 484 The sound power output is in a reverberant room qualified for pure under methods for the Determination of Sound Level of Small Sources in Reverberation ANSI S1 21 Bell shall be capable of a sound output equivalent to that of an source with an A weighted sound level of at least the level specified in the unit but not less than 75 decibels in any case MEASUREMENT level in indoor installation may vary depending the bell spacing 2000 Simplex International Time Equipment Co Ltd 11 00 MECHANISM AND GONGS 1 32 ARE LOCATED TO TO A STANDARD SQUARE OUTLET BOX 2 WIDE NON GANGABLE BOX 3 8 3 8 Square Holes INSTALLATION WIDE GANGABLE OR NON GANGABLE BOX WASHER BOLT ONLY FRONT VIEW OBSERVE POLARITY SQUARE BOX by others CARE SHOULD BE TO AVOID DAMAGE THE STRIKER MECHANISM BOTH TERMINALS FOR BREAK WIRE TO PROVIDE ELECTRICAL PRECEDING OR CONTROL PANEL NEXT BELL OR RESISTOR 11 00 Skymark Avenue Mississauga Ontario L4W 5K5 and Representatives Throughout the World us on the world wide web at www simplexnet com specifications and other information shown were current as of publication and are subject to change without notice Printed in Canada

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