SCL028LA3CTB

$61.68

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

SKU:69fe6e859058 Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

SCL028LA3CTB 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 SCL028LA3CTB

Description：BUZZER PIEZO 42.85MM PNL MNT
Series：SCL
Mfr：Mallory Sonalert Products Inc.
Package：Bulk
Driver Circuitry：Indicator, Internally Driven
Input Type：AC
Frequency：2.9kHz
Technology：Piezo
Operating Mode：Single Tone
Duration：-
Sound Pressure Level (SPL)：85dB @ 16V, 61cm
Current - Supply：20mA
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 - Rated：-
Voltage Range：16 ~ 28V
Size / Dimension：1.687" Dia (42.85mm)

Alarms, Buzzers, And Sirens datasheet and documents for SCL028LA3CTB

SCL028LA3CTB

Alarms, Buzzers, And Sirens Overview

The SCL028LA3CTB is an industrial piezoelectric buzzer from the SCE series by Mallory Sonalert. It operates on a constant voltage range of 16 to 28 VDC and draws a current of 40 mA. The device emits a continuous tone at a frequency of 2.9 kHz with a sound pressure level of 85 dBA measured at 16 V and 61 cm. Designed for panel mounting, it features terminal block connections and includes UL and cUL certifications.

Alarms, Buzzers, And Sirens Feature Summary

Industrial-grade construction with UL and cUL safety certifications
Internal driver circuitry for direct connection to power sources
Terminal block termination for secure wiring
Panel mount installation style

Alarms, Buzzers, And Sirens Applications

Industrial machinery status indication
Control panel alarm systems
Equipment fault signaling
Process monitoring alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix against the manufacturer's official part numbering guide to confirm electrical characteristics and acoustic output. Confirm that the terminal block type matches the available wiring infrastructure in the target enclosure. Ensure the operating voltage remains within the specified 16-28 VDC range during system design validation.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a loud, continuous audible alert is required for industrial environments. The internal driver simplifies integration by eliminating the need for external oscillators. Verify that the panel cutout dimensions accommodate the 42.98 mm diameter housing and that the terminal block spacing aligns with the PCB or wire harness layout.

Alarms, Buzzers, And Sirens Part Context

This unit belongs to the SCE series of piezoelectric buzzers designed for harsh industrial conditions. The series offers various acoustic patterns and voltage ratings. The SCL028LA3CTB specifically provides a constant tone output suitable for persistent warning signals where high visibility and audibility are critical for operational safety.