Simplex 4902-9721 Ceiling Mount Speaker S/F 19/09 The 270 Series have screw

The 270 Series have screw terminals for field connection

including the distinctive three-pulse temporal pattern (ANSI Temporal 3) fire alarm signal now required by NFPA 72 for commercial and residential applications

The strobe connections a re designed to color-coded wire leads

These values are measured at five feet (1

DSC (Digital Security Controls) is a world leader in electronic security

Simplex 4902-9721 Ceiling Mount Speaker S/F 19/09 The 270 Series have screwSimplex 4902 Series speakers provide high quality sound for emergency fire alarm use as well as for background music. The moisture repellent speaker is designed for smooth frequency response with minimal distortion. The multi tapped speaker transformer accommodates either 25 VRMS or 70. 7 VRMS and provides an output of from 1 4 W to 2 W to provide flexibility for satisfying the requirements of the installed conditions. Rectangular housing models are