Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control H15 Replacement 4-3/8" window kit for

Replacement 4-3/8" window kit for standard six hole aluminum hubcaps

Fan blower motor regulator resistor module

Adhesive: Clear

dry surfaces including aluminum

Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control H15 Replacement 4-3/8" window kit forThe 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