PS-733EWDRQ

Overview

The PS-733EWDRQ is an industrial-grade piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates on a DC voltage range of 5V to 15V and produces a sound pressure level of 95dB. The device oscillates at a frequency between 2500Hz and 4500Hz, with a specific operating frequency noted as 2.5kHz to 4.5kHz in some documentation. It features a fast pulse mode and is housed in a compact form factor measuring 32mm x 46mm x 18mm. The unit utilizes a red lens for visual indication and employs screw terminal connections for power input.

Feature Summary

• Industrial-grade construction designed for harsh environments
• Integrated visual indicator with red lens
• Fast pulse operation mode for immediate attention
• Screw terminal connection method for secure wiring

Applications

• Industrial machinery status monitoring
• Process control panel alarms
• Equipment fault detection systems
• Safety warning stations

Procurement Notes

Verify the exact voltage rating and frequency specifications against the latest manufacturer datasheet before integration, as industrial variants may have subtle differences. Confirm that the screw terminal type matches your existing wiring harness or PCB layout requirements. Ensure the environmental sealing meets the operational conditions of the intended installation site. Cross-reference the physical dimensions with the enclosure design to guarantee proper fitment.

Selection Notes

Select this component when a high-intensity audible alarm combined with a visual cue is required in industrial settings. The wide voltage tolerance allows flexibility in power supply design. The robust mechanical housing supports panel mounting applications where durability is critical. Consider the specific acoustic output requirements to ensure compliance with workplace safety noise regulations.

Part Context

This part belongs to the Mallory Sonalert industrial buzzer lineup, known for reliability in demanding sectors. The brand has a long history in electronic signaling devices, dating back to the mid-20th century. This specific model represents their modern approach to combining audio and visual alerts in a single, compact unit suitable for heavy-duty use.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. When replacing, ensure the new component matches the voltage range, current draw, and mounting style. Verify that the acoustic characteristics meet the original system's alerting requirements.