SCE048MA3SU1B

Alarms, Buzzers, And Sirens Overview

The SCE048MA3SU1B is an industrial-grade piezoelectric audio indicator manufactured by Mallory Sonalert. It operates within a voltage range of 28 V to 48 V DC and draws a current of 40 mA. The device emits a slow speed-up tone at a frequency of 3 kHz with a sound pressure level of 95 dBA measured at 61 cm. Designed for panel mounting, it features wire lead termination and includes internal drive circuitry. The unit complies with cUL standards and is rated for operation between -40°C and 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Features internal drive circuitry for direct connection to power sources without external drivers.
• Produces a distinct slow speed-up acoustic pattern to indicate specific alarm states.
• Constructed with piezoelectric technology for reliable industrial audio signaling.
• Complies with cUL safety standards for industrial equipment integration.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status and fault indication
• Control panel alarm systems
• Automated manufacturing equipment alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the exact suffix against official Mallory Sonalert documentation to confirm tone pattern and electrical specifications. Ensure input voltage matches the 28-48 VDC requirement. Confirm panel cutout dimensions align with the physical housing size before installation. Check for required environmental sealing accessories if operating in harsh conditions.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when a slow speed-up tone is required for visual or auditory differentiation in noisy environments. The 95 dBA output ensures audibility over background noise. Verify that the 40 mA current draw fits within the available power budget of the control system. Consider the panel mount style for permanent installations requiring robust mechanical attachment.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the SCE series of audio indicators from Mallory Sonalert. The series is characterized by piezoelectric construction and internal driving electronics. These devices are designed for high-reliability applications where consistent acoustic performance is critical. The SCE series offers various tone patterns and voltage ratings to suit different industrial signaling needs.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct substitutes must match the 28-48 VDC voltage range, 40 mA current draw, and 3 kHz slow speed-up tone. Verify physical dimensions for panel cutout compatibility. Alternative part numbers within the SCE series may offer different tones but require validation of acoustic requirements.

Alarms, Buzzers, And Sirens FAQ

What is the acoustic pattern of the SCE048MA3SU1B?

The device produces a slow speed-up tone, which gradually increases in pitch or intensity.

Does the SCE048MA3SU1B require an external driver?

No, it contains internal drive circuitry and can be connected directly to the specified DC voltage source.

What is the maximum operating temperature?

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