SCE028MA2CT1B

Alarms, Buzzers, And Sirens Overview

The SCE028MA2CT1B is a piezoelectric buzzer from the SCE series by Mallory Sonalert Products Inc. It operates on AC input within a voltage range of 48 to 120V. The device features an internal driver circuit and produces a fast pulse tone at a frequency of 2kHz. Electrical specifications include a supply current of 40mA and a sound pressure level of 75dB measured at 61cm. The unit is designed for panel mounting with terminal block connections, measuring 42.98mm in diameter.

Alarms, Buzzers, And Sirens Feature Summary

• Integrates an internal driver circuit for direct connection to AC power sources without external oscillators.
• Generates a distinct fast pulse acoustic signal suitable for high-attention industrial alarms.
• Constructed with a robust piezoelectric element capable of reliable operation across wide temperature ranges.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indicators
• Electrical control panel alarm systems
• HVAC system fault alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix CT1B against official Mallory documentation to confirm terminal configuration and certification requirements. Ensure the application voltage matches the 48-120V AC specification. Confirm that the panel cutout dimensions align with the 42.98mm diameter requirement for proper mechanical fitment.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when a self-contained AC-driven alarm is required for panel-mounted applications. The internal driver simplifies circuit design by eliminating the need for separate oscillator components. Consider the 75dB output level relative to ambient noise conditions and verify compatibility with the available AC voltage rails in the target equipment.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the SCE series of industrial-grade audio indicators. The series offers various voltage ratings and acoustic outputs tailored for different environmental demands. The SCE028 designation indicates a 28mm class housing size adapted for higher voltage AC operations compared to lower voltage DC variants.

Alarms, Buzzers, And Sirens FAQ

Does the SCE028MA2CT1B require an external oscillator?

No, the device includes an internal driver circuit that allows it to operate directly from the specified AC voltage source.

What is the operating voltage range?

The buzzer is designed to operate within an AC voltage range of 48V to 120V.