SCE028SD3CK1B

Alarms, Buzzers, And Sirens Overview

The SCE028SD3CK1B is a piezoelectric buzzer from the SCE series by Mallory Sonalert Products Inc. It features an internally driven indicator circuit and operates on DC input within a voltage range of 16 to 28V. The device produces a continuous single-tone sound at a frequency of 2.9kHz with a current draw of 40mA. Acoustic performance is rated at 65dB SPL @ 16V, measured at a distance of 61cm. It utilizes terminal block termination for connection and is designed for panel mounting. The unit has a circular diameter of approximately 42.85mm (1.687 inches) and functions reliably within a temperature range of -40°C to 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric technology eliminates the need for external oscillators
• Continuous tone operation provides consistent acoustic signaling
• Terminal block termination allows for secure electrical connections
• Panel mount design facilitates direct installation into equipment enclosures

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indication
• Control panel alarm signaling
• Equipment fault detection systems
• Transportation vehicle monitoring

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix codes against official Mallory Sonalert documentation to ensure correct acoustic output and termination type. Confirm that the operating voltage aligns with the 16-28V DC specification. Check for required certifications such as UL or cUL if applicable to your region. Ensure panel cutout dimensions match the physical diameter of the unit before procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a self-contained, high-reliability audible indicator is required. The internal driver simplifies PCB layout by removing external drive components. Consider the 65dB SPL rating relative to ambient noise levels in the application environment. Verify that the terminal block interface matches existing wiring harnesses or board layouts.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SCE series of piezoelectric buzzers, which are widely used in industrial and commercial applications. Mallory Sonalert products are known for their durability and consistent performance in harsh environments. The SCE series specifically offers various configurations for different mounting and acoustic needs.

Alarms, Buzzers, And Sirens FAQ

Does the SCE028SD3CK1B require an external oscillator?

No, it features an internally driven circuit that generates the 2.9kHz tone directly from the DC supply.

What is the maximum operating temperature?

The device is rated for operation up to 85°C.