SCL120MA3CTB

$57.63

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

SKU:100b49412acd Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

SCL120MA3CTB 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 SCL120MA3CTB

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)：75dB @ 48V, 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：48 ~ 120V
Size / Dimension：1.687" Dia (42.85mm)

Alarms, Buzzers, And Sirens datasheet and documents for SCL120MA3CTB

SCL120MA3CTB

Alarms, Buzzers, And Sirens Overview

The SCL120MA3CTB is a piezoelectric buzzer from the SC series by Mallory Sonalert Products Inc., designed for industrial audio indication. It operates on a DC input voltage range of 30 to 120V with a current draw of 40mA. The device produces a constant single-tone signal at a frequency of 2.9kHz, achieving a sound pressure level of 95dBA. It features panel mount installation via terminal blocks and includes internal drive circuitry. Certified by UL and cUL, it functions within an ambient temperature range of -40°C to 85°C.

Alarms, Buzzers, And Sirens Feature Summary

Internal drive circuitry enables direct connection without external oscillators
Industrial-grade construction supports operation in harsh environments
Terminal block termination ensures secure electrical connections

Alarms, Buzzers, And Sirens Applications

Industrial machinery status indication
Control panel alarm systems
Factory automation equipment signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify that the operating voltage matches the specified 30-120V DC range to ensure proper function. Confirm that the mounting hole dimensions align with the 42.85mm diameter requirement. Ensure the enclosure provides adequate protection for the intended environment. Check that the terminal block wiring method suits the existing control system interface.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-volume audible alert is required for industrial panels. The wide voltage tolerance simplifies integration into various power distribution networks. The compact form factor allows installation in space-constrained enclosures. Internal driving capabilities reduce bill-of-materials complexity compared to passive alternatives.

Alarms, Buzzers, And Sirens Part Context

This unit belongs to the SC series of piezoelectric buzzers, which are engineered for reliable performance in demanding industrial settings. The series emphasizes durability and consistent acoustic output across varying environmental conditions. These components serve as critical visual and auditory feedback mechanisms in automated control systems.