Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control H15 dry surfaces including aluminum

dry surfaces including aluminum

Diameter: 16 mm

913 Series (3M has stopped making the 963 series and superceded it to the 913 series)

200 16-22 gauge

Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control H15 dry surfaces including aluminumThe Federal Signal Model PA640 (figure 1 1) is a precision built, efficient and economical full featured electronic siren and light control system. The siren provides wail, yelp, and priority or high low siren tones as well as the horn ring transfer Tap II feature, public address (PA), radio rebroadcast and an air horn sound. On board relays in the unit allow centralized control and wiring of primary, secondary, alley lights, and auxiliary circuits