Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control Fluorescent Typical uses include truck air

Typical uses include truck air intake systems

'06 & on MBE4000

DOT-C2 Certified – Meets all applicable DOT and SAE specifications for commercial vehicle safety

Flexible suction pipe

Federal Signal 640000 Siren, 640 Series, 100 W, programmable slide switch and light control Fluorescent Typical uses include truck airThe 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