SCE028SA3SR4B

$81.47

Description：BUZZER PIEZO 42.85MM PNL MNT
Series：SCE
Mfr：Mallory Sonalert Products Inc.
Package：Bulk

SKU:2c764dc27d79 Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

SCE028SA3SR4B is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Mallory Sonalert Products Inc.. Its product description is BUZZER PIEZO 42.85MM PNL MNT. Review the specifications below when checking this part for your BOM.

Alarms, Buzzers, And Sirens specifications for SCE028SA3SR4B

Description：BUZZER PIEZO 42.85MM PNL MNT
Series：SCE
Mfr：Mallory Sonalert Products Inc.
Package：Bulk
Driver Circuitry：Indicator, Internally Driven
Input Type：AC
Frequency：2.9kHz
Technology：Piezo
Operating Mode：Siren, Slow
Duration：2 SPS
Sound Pressure Level (SPL)：65dB @ 16V, 61cm
Current - Supply：40mA
Port Location：Top
Operating Temperature：-40°C ~ 85°C
Approval Agency：cUL, UL
Ratings：-
Ingress Protection：-
Mounting Type：Panel Mount
Termination：Terminal Block
Height - Seated (Max)：1.511" (38.39mm)
Voltage Range：16 ~ 28V
Size / Dimension：1.687" Dia (42.85mm)

Alarms, Buzzers, And Sirens datasheet and documents for SCE028SA3SR4B

SCE028SA3SR4B

Alarms, Buzzers, And Sirens Overview

The SCE028SA3SR4B is an industrial-grade piezoelectric audio indicator manufactured by Mallory Sonalert. It operates within a voltage range of 16 to 28 VDC and draws a current of 40 mA. The device produces a soft siren sound at a frequency of 3 kHz. It features internal drive circuitry for direct connection and utilizes terminal block connections for secure wiring. The unit is designed for panel mounting applications in demanding environments.

Alarms, Buzzers, And Sirens Feature Summary

Internal drive circuitry enables direct connection without external drivers
Terminal block connections provide secure electrical interfaces
Piezoelectric technology ensures reliable acoustic output
Panel mount design facilitates integration into control panels

Alarms, Buzzers, And Sirens Applications

Industrial machinery status indication
Control panel alarm signaling
Automated equipment fault alerts
Factory automation safety warnings

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix codes against official Mallory Sonalert documentation to confirm the exact acoustic pattern and voltage rating. Ensure that the terminal block type matches the existing wiring infrastructure. Confirm environmental ratings if the installation involves exposure to moisture or dust. Cross-reference the part number with the latest datasheet revisions to avoid ordering obsolete variants.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when a continuous siren alert is required for industrial settings. The 16-28 VDC operating range suits standard DC control systems. The soft volume level is appropriate for areas where excessive noise must be minimized while maintaining clear auditory warnings. Verify that the panel cutout dimensions accommodate the physical size of the unit.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the SCE series of industrial audio indicators from Mallory Sonalert. The series is characterized by robust construction suitable for harsh industrial environments. These devices are engineered for long-term reliability in automated systems and control panels where visual signals may be insufficient or overlooked.