PLD-27N36WQ

Overview

The PLD-27N36WQ is an industrial-grade piezoelectric buzzer from the Mallory Sonalert PL series. It operates on a constant or slow pulse drive mode with a voltage rating of 3 to 28 VDC. The device produces a dual-tone sound at a frequency of 3 kHz and achieves a sound pressure level of 80 dB. Electrical characteristics include a rated voltage of 12 VDC and a current consumption of 12 mA. The unit features wire lead termination for connection and utilizes a flange mount installation style. Its physical dimensions are 24 mm by 9.5 mm, ensuring compact integration into various industrial control panels.

Feature Summary

• Industrial-grade construction designed for demanding environments
• Dual-tone acoustic output for distinct auditory signaling
• Wide operating voltage range supporting flexible power supply options
• Flange mount design with wire leads for secure panel integration

Applications

• Industrial machinery status indicators
• Control panel alarm systems
• Factory automation equipment alerts
• Heavy-duty electrical enclosure notifications

Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required drive modes and acoustic specifications. Confirm that the wire lead termination matches existing harness designs. Ensure the mounting hole pattern aligns with the panel cutout requirements. Check RoHS compliance documentation if environmental regulations apply to the deployment site. Validate input voltage stability within the 3-28 VDC range to prevent performance degradation.

Selection Notes

Select this component when a robust, high-volume audio indicator is required for industrial settings. The wide voltage tolerance simplifies power supply design across different system architectures. The dual-tone feature enhances signal recognition in noisy environments compared to single-tone alternatives. Consider the physical size constraints as the unit measures 24 mm by 9.5 mm. Evaluate the need for flange mounting versus other attachment methods based on vibration exposure.

Part Context

This part belongs to the PL series of piezoelectric buzzers manufactured by Mallory Sonalert Products Inc. The series is characterized by its durability and suitability for continuous operation in harsh conditions. The PLD variant specifically denotes the dual-tone capability within this lineup. These components are widely used in sectors requiring reliable visual and auditory feedback mechanisms for operational safety and status monitoring.

FAQ

What is the drive mode for the PLD-27N36WQ?

The PLD-27N36WQ operates in a constant or slow pulse drive mode.

Does this buzzer produce a single or dual tone?

It produces a dual-tone sound at a frequency of 3 kHz.