AT-21

Series:	AT
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Transducer, Externally Driven
Input Type:	--
Voltage Range:	--
Frequency:	5kHz
Technology:	Piezo
Operating Mode:	--
Duration:	--
Sound Pressure Level (SPL):	--
Current - Supply:	--
Port Location:	--
Operating Temperature:	--
Approvals:	--
Ratings:	--
Mounting Type:	Through Hole
Termination:	PC Pins
Size / Dimension:	--
Height - Seated (Max):	--

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Alarms, Buzzers, and Sirens

AT-21 is an acoustic signaling device developed for use in the alarm industry. It is a high-powered siren that emits a loud and sustained acoustic alert. It is ideal for use in emergency situations, where quick response is essential. The device is designed to be low-maintenance and has a long lifespan.The primary application of AT-21 is in alarm systems. It is often used in fire alarms, burglar alarms, and other security alarms. It is also frequently used in industrial alarm systems, where it helps to quickly alert the workers to a hazardous event. It can also be used in commercial and residential buildings to alert occupants to potential danger.AT-21 has a few distinct advantages. First, its integrated design makes it easy to install and maintain. It is not necessary to purchase additional components in order to make it work. Secondly, its long life expectancy allows it to be used for many years without any significant maintenance. Finally, because it is a powerful siren, its sound can be heard from a long distance, allowing it to provide the necessary warning even in situations where other alarms may not be heard.Most AT-21s are battery operated, so they can be used in areas without access to a power supply. Additionally, they are available in both indoor and outdoor versions, allowing them to be used in virtually any application.The AT-21 operates by producing an oscillating sound wave at a certain frequency. This sound wave travels through the air until it is blocked or absorbed by an object. When it reaches the object, it produces vibrations that cause a strong, sustained audible sound. This sound wave is designed to be loud enough to be heard at a long distance, making it ideal for emergency alarms.It is important to note that AT-21s are not suitable for all applications. Many jurisdictions have regulations that limit the sound level of alarms and sirens. Additionally, some protection plans may not cover alarms that are not properly installed and maintained. It is important to consult with local codes and regulations before installing an AT-21.In conclusion, AT-21 is a powerful and reliable device that is ideal for use in alarm systems. Its long lifespan, high power, and ease of maintenance make it a great choice for any application, from industrial to residential. Furthermore, it can be used in a variety of locations, from indoors to outdoors, or even in areas without a reliable power supply. As long as all local regulations are followed and proper maintenance is done, an AT-21 alarm system will provide the necessary warning whenever and wherever it is needed.

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