KSK Safety Products

220 volts.Most fire sirens are single tone and mechanically driven by electric motors with a rotor attached to the shaft.

Additional Information:

• Delivery Time: immediate
• Packaging Details: Good

An electronic siren is a device that produces a loud, fluctuating sound to warn people of an emergency. They are used in warning systems to alert people of fires, floods, industrial accidents, and other emergencies. How they work

• Electronic sirens use circuits like oscillators, modulators, and amplifiers to create a siren tone. 
• The tone is played through external speakers. 
• The loudest sirens can be heard from several miles away. 

Uses

• Emergency alerts: Used to warn people of fires, floods, industrial accidents, and other emergencies 
• Air raid alerts: Used to warn people of air raids during war 
• School day announcements: Used to signal the start or end of a school day 
• Factory shift announcements: Used to announce factory shift timings 

History 

• The first electronic siren was invented in 1965 by Motorola employees Ronald H. Chapman and Charles W. Stephens.

Additional Information:

• Production Capacity: 220 Volt
• Delivery Time: Immediate
• Packaging Details: By parcel