KHERAJ is one of the leading manufacturers of Siren Control Devices and supplies them as per customer requirements.
KHERAJ WARBLING RELAY can be fitted with Siren to produce automatically warbling note (howling tones) for 4 secs. ON and 4 secs. OFF.
Warbling Relay (Switch) for battery operated, single phase and three phase sirens (Howling tones for Sirens)