ZA028LDDL1

Duration:	10 Sec On-Delay
Height - Seated (Max):	2.234" (56.75mm)
Size / Dimension:	1.210" Dia (30.74mm)
Termination:	Terminal Block
Mounting Type:	Panel Mount
Ingress Protection:	NEMA 3R, 4X, 12
Ratings:	--
Approvals:	cUL, UL
Operating Temperature:	-30°C ~ 65°C
Port Location:	Top
Current - Supply:	40mA
Sound Pressure Level (SPL):	85dB @ 16V, 61cm
Series:	ZA
Operating Mode:	Single Tone
Technology:	Piezo
Frequency:	3.3kHz
Voltage Range:	16 ~ 28V
Input Type:	DC
Driver Circuitry:	Indicator, Internally Driven
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Alarms, Buzzers, and Sirens

The ZA028LDDL1 is an alarm, buzzer and siren system used in industry and other applications. This system is a combination of pre-amplified microphones and special electronics to detect sound pressure levels which can be used for warning signals and alarms. The device is primarily used for audible warning alarms although other applications can be used in conjunction with this device. Working PrincipleThe ZA028LDDL1 has two primary functions; one is to detect sound pressure levels and the other is to activate an audible signal. The device features a built-in microphone that has been pre-amplified. This microphone is designed to detect sound pressure levels of an area. When a pre-determined level is detected, an alarm or audible signal is activated. This signal can be customized to either audio or visual alarms and can be set to go off at additional levels of sound pressure. The ZA028LDDL1 also features a selectable filter which is designed to reduce nuisance alarms. This filter works by analyzing sound frequency and determining if it is significantly different from background noise. This filter helps exclude unwanted sound triggers such as a loud conversation, vehicles passing by the area, normal building noise, and other sound pressures. Application FieldThe ZA028LDDL1 can be used in multiple settings and applications. It is commonly used as a security system to notify a monitoring station or guard of potential danger. It can also be used for process control or safety monitoring for an industrial plant. Additionally, this device can be used in the home as an alarm for a suspected intrusion. The ZA028LDDL1 is also popular in commercial settings such as retail stores. The alarm system can be used to detect shoplifting or unusual activity and can alert store personnel or law enforcement quickly. Sports stadiums, educational institutions, and other large venues can use this alarm system to alert guests of an emergency or evacuation as well. The ZA028LDDL1 is a versatile and reliable system that can be used in a variety of applications. It can be used to monitor sound pressure levels for sound warnings, alarms, or alerts. This system is well suited for industrial settings, commercial venues, and other applications that require warning or protection.

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