SCE120LA3SU1B

Alarms, Buzzers, And Sirens Overview

The SCE120LA3SU1B is a piezoelectric buzzer from the SCE series by Mallory Sonalert Products Inc. It operates on an AC input voltage range of 48 to 120V with a current consumption of 40mA. The device emits a sound pressure level of 95dB at 48V measured at 61cm, with a frequency of 2.9kHz. It features internal drive circuitry and supports panel mounting via terminal block connections. The unit has a diameter of 42.85mm and a maximum height of 38.39mm. Operating temperatures range from -40°C to 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Features internal drive circuitry for direct connection to AC power sources without external oscillators.
• Provides high-intensity audible alerts with a 95dB sound pressure level at standard measurement distances.
• Designed for robust panel mounting applications with terminal block termination for secure electrical connections.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indicators
• Control panel alarm systems
• HVAC system fault detection

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix codes against the manufacturer's official part numbering guide to ensure correct acoustic output and mounting configuration. Confirm that the operating environment temperature falls within the specified -40°C to 85°C range. Ensure the supply voltage matches the 48-120V AC requirement. Check for necessary certifications such as UL or cUL if required by local safety regulations.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-decibel, internally driven piezoelectric buzzer is required for AC-powered industrial panels. Compare with other SCE series variants if different sound patterns or lower voltage ratings are needed. Consider the physical dimensions of 42.85mm diameter for panel cutout requirements. Verify terminal block compatibility with existing wiring harnesses.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SCE series of audio indicators, which are designed for industrial-grade reliability. The series includes various configurations for different voltages, sound levels, and mounting styles. Mallory Sonalert products are commonly used in environments requiring durable and loud audible warnings.

Alarms, Buzzers, And Sirens FAQ

What is the operating voltage range for the SCE120LA3SU1B?

The device operates on an AC voltage range of 48 to 120V.

Does this buzzer require an external oscillator?

No, it features internal drive circuitry, allowing it to be connected directly to the AC power source.