MB-09-948-S(M)

Alarms, Buzzers, And Sirens Overview

The MB-09-948-S(M) is a panel mount chime alarm from the AudioLarm II series manufactured by Floyd Bell Inc. It utilizes piezoelectric technology for sound generation and features an internally driven indicator circuit. The device operates on a DC voltage range of 5 to 25 volts with a rated frequency of 2.9 kHz. It delivers a sound pressure level of 70 dB at 5V measured at a distance of 61 cm. Power consumption ranges from 5 to 25 mA depending on the input voltage. The unit is designed for top port wiring and offers IP68 protection against dust and water ingress, suitable for operation between -20°C and 65°C.

Alarms, Buzzers, And Sirens Feature Summary

• Piezoelectric chime alarm with integrated internal driver circuit
• IP68 rated enclosure providing dust tight and waterproof protection
• Panel mount design with top-mounted wire lead connections

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indication
• Equipment fault signaling in harsh environments
• Control panel audio alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix (M) against official datasheets to confirm terminal configuration and mounting hardware specifications. Ensure the operating voltage aligns with the 5-25V DC range to prevent damage. Confirm IP68 sealing integrity requirements match the installation environment. Cross-reference the UL/UR approval agency markings for compliance with local safety regulations.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when high environmental resistance is required due to its IP68 rating. The wide voltage tolerance allows flexibility in power supply design. Consider the 70 dB output level relative to ambient noise conditions. Verify that the physical dimensions fit the available panel cutout space. Ensure the piezoelectric acoustic profile meets the desired alert tone requirements.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the AudioLarm II series, which is described as a widely used industrial alarm line. The series includes various piezoelectric devices designed for durable industrial applications. The manufacturer focuses on audio devices for industrial machines, offering both standard alarms and specialized variants like voice-capable announcers.

Alarms, Buzzers, And Sirens FAQ

What is the maximum operating temperature for this chime alarm?

The maximum operating temperature is 65°C.

Does this model include an integrated LED indicator?

Yes, the device features an internally driven indicator circuit alongside the piezoelectric sounder.