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Product Detailed Parameters
- Description:BUZZER PIEZO 12V 36.5MM PNL MNT
- Series:PK
- Mfr:Mallory Sonalert Products Inc.
- Package:Bulk
- Driver Circuitry:Indicator, Internally Driven
- Input Type:DC
- Frequency:3.5kHz
- Technology:Piezo
- Operating Mode:Single Tone
- Duration:-
- Sound Pressure Level (SPL):95dB @ 12V, 30cm
- Current - Supply:15mA
- Port Location:Top
- Operating Temperature:-20°C ~ 70°C
- Approval Agency:-
- Ratings:-
- Ingress Protection:-
- Mounting Type:Panel Mount
- Termination:Screw Terminal, Quick Connect Tab - 0.189" (4.80mm)
- Height - Seated (Max):0.933" (23.70mm)
- Voltage - Rated:12 V
- Voltage Range:3 ~ 24V
- Size / Dimension:1.437" Dia (36.50mm)
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Overview
The PK-27A35ERQ is an industrial-grade piezoelectric buzzer manufactured by Mallory Sonalert. It operates on a rated voltage of 12 VDC with a current draw of 15 mA. The device produces a continuous tone at a frequency of 3.5 kHz and achieves a sound pressure level of 95 dBA. Designed for flange mounting, it features wire lead termination and measures 30 mm in diameter by 24 mm in height.
Feature Summary
- Piezoelectric transducer technology for reliable audio indication
- Continuous tone output capability
- Flange mount installation style
- Wire lead termination
Applications
- Industrial panel-mounted audible alerts
- Equipment status indication
- Safety warning systems
Procurement Notes
Verify the specific suffix ERQ against official Mallory Sonalert documentation to confirm exact electrical ratings and mechanical dimensions. Ensure compatibility with existing panel cutouts and wiring harnesses before procurement. Cross-reference datasheet revisions to confirm compliance with current regulatory standards.
Selection Notes
Select this component when a high-intensity 95 dBA continuous tone is required for industrial environments. The 12 VDC rating suits standard low-voltage control circuits. Consider the flange mount requirement and 30 mm diameter footprint during enclosure design to ensure proper fitment and acoustic performance.
Part Context
This part belongs to the PK series of industrial buzzers from Mallory Sonalert. These devices are designed for robust performance in demanding applications. The series typically offers various voltage and frequency options to meet diverse signaling requirements across different industries.
Replacement Considerations
Consult official Mallory Sonalert substitution guides for verified equivalents. Generic replacements may not match the 95 dBA output or 3.5 kHz frequency specifications.
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