SCE028MD3SR4B

Alarms, Buzzers, And Sirens Overview

The SCE028MD3SR4B is a piezoelectric siren from the SCE series by Mallory Sonalert. It operates on DC input within a voltage range of 16 to 28 VDC, drawing 40 mA. The device produces a fast siren sound at a frequency of 2.9 kHz with a sound pressure level of 75 dB at 16V and 85 dB at 28V, measured at 61 cm. It features internal driving circuitry and terminal block connections for panel mounting.

Alarms, Buzzers, And Sirens Feature Summary

• Generates a fast siren audio alert using piezoelectric technology
• Includes internal drive circuitry for direct connection
• Designed for secure panel mounting via terminal blocks

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indication
• Factory safety warning systems
• Control panel alarm signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix SR4B against official datasheets to confirm the fast siren waveform and acoustic output levels. Ensure the operating environment falls within the specified temperature range and that the mounting hole dimensions align with the unit's physical specifications before finalizing procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a distinct fast siren tone is required for high-visibility alerts. The internal driver simplifies integration by eliminating external oscillators. Confirm that the 40 mA current draw is compatible with the available power supply capacity in the target application design.

Alarms, Buzzers, And Sirens Part Context

This unit belongs to the SCE series of industrial audio indicators. These devices are engineered for durability in demanding environments. The series offers various acoustic modes and mounting options to suit different enclosure requirements and regulatory standards for industrial safety equipment.

Alarms, Buzzers, And Sirens Replacement Considerations

Check for SCE028MD3SR3B as a potential alternative if the specific acoustic profile or suffix designation allows for functional equivalence within the same series.