SCE120LA2DP3B

Alarms, Buzzers, And Sirens Overview

The SCE120LA2DP3B 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 features an internal driver circuit and emits sound at a frequency of 2kHz with a sound pressure level of 85dB measured at 48V and 61cm. It supports a slow double pulse operating mode with a duration of 0.5 PPS. The unit is designed for panel mounting with terminal block connections, has a diameter of 42.85mm, and functions between -40°C and 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Integrates an internal driver circuit for direct AC connection without external drivers
• Produces a slow double pulse acoustic signal for distinct auditory alerts
• Constructed with piezoelectric technology for reliable audio indication
• Designed for secure panel installation using terminal block termination

Alarms, Buzzers, And Sirens Applications

• Industrial control panels requiring visual and audible status indicators
• Equipment alarm systems utilizing standard AC power supplies
• Safety warning devices in machinery with panel-mounted configurations

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific AC voltage requirement falls within the 48 to 120V range before integration. Confirm that the terminal block termination method matches the existing wiring infrastructure. Ensure the panel cutout accommodates the 42.85mm diameter. Check environmental ratings against operational temperature extremes ranging from -40°C to 85°C. Validate that the slow double pulse pattern meets the intended signaling protocol requirements.

Alarms, Buzzers, And Sirens Selection Notes

Choose this component when an integrated AC-driven solution is required to simplify circuit design. The internal driver eliminates the need for additional drive electronics. Select this model if the application demands a specific slow double pulse pattern for identification. Consider the panel mount form factor and terminal block connections for mechanical compatibility. Verify that the 85dB output level is sufficient for the ambient noise environment.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SCE series of industrial-grade audio indicators manufactured by Mallory Sonalert Products Inc. The series focuses on robust piezoelectric buzzers designed for demanding environments. These components typically feature internal driving capabilities and are built for long-term reliability in industrial settings. The SCE line offers various voltage and waveform options to suit different signaling needs.

Alarms, Buzzers, And Sirens FAQ

Does the SCE120LA2DP3B require an external driver circuit?

No, the device includes an internal driver circuit, allowing it to be connected directly to the specified AC voltage source.

What is the acoustic output pattern of this buzzer?

The buzzer operates in a slow double pulse mode with a duration of 0.5 pulses per second.

How is the sound pressure level measured for this component?

The sound pressure level of 85dB is measured at a distance of 61cm with an applied voltage of 48V.