SCE120SA3DP3B

Alarms, Buzzers, And Sirens Overview

The SCE120SA3DP3B 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 and draws 40mA of supply current. The device produces a sound pressure level of 65dB at 48V measured at 61cm. It functions in a slow double pulse mode with a frequency of 2.9kHz. Designed for panel mounting, it features terminal block termination and has an operating temperature range of -40°C to 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric technology for direct AC connection
• Slow double pulse operation mode for distinct audio signaling
• Panel mount construction with terminal block connections

Alarms, Buzzers, And Sirens Applications

• Industrial control panels requiring audible status indicators
• Equipment alarm systems utilizing standard AC power lines
• Safety warning devices in commercial machinery

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific part number against official Mallory Sonalert documentation to ensure correct acoustic output and electrical ratings. Confirm that the required slow double pulse waveform matches system design specifications. Check for RoHS compliance requirements relevant to your region. Ensure panel cutout dimensions accommodate the 42.85mm diameter housing.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a soft, intermittent alert is needed for high-voltage AC environments. Compare SPL ratings against ambient noise levels to ensure audibility. Verify that the internal driver eliminates the need for external oscillators. Consider the physical size constraints for panel installation space.

Alarms, Buzzers, And Sirens Part Context

This unit belongs to the SCE industrial buzzer series, designed for robust performance in demanding environments. It integrates the driver circuitry directly into the piezoelectric element, simplifying integration into AC-powered equipment. The series offers various pulse patterns and voltage ranges for diverse signaling needs.

Alarms, Buzzers, And Sirens Replacement Considerations

Check for exact pinout and voltage compatibility when substituting. Verify that alternative parts support the same slow double pulse pattern if signal recognition is critical. Ensure mechanical dimensions allow for direct replacement without panel modification.