MB-09-531-Q(U)

Alarms, Buzzers, And Sirens Overview

The MB-09-531-Q(U) is a panel mount chime alarm manufactured by Floyd Bell Inc. It belongs to the Audiolarm II series and utilizes piezo technology for sound generation. The device features an internally driven indicator circuit and accepts DC input within a voltage range of 5 to 25 volts. It operates at a frequency of 2.9 kHz with a sound pressure level of 70 dB measured at 5V and 61 cm. The unit draws between 5 and 25 mA of power. It is rated IP68 for dust tightness and waterproofing, suitable for operation between -20°C and 65°C. Physical dimensions include a 1.410-inch diameter and a maximum installation height of 1.480 inches.

Alarms, Buzzers, And Sirens Feature Summary

• Piezo-driven internal circuitry for direct DC operation
• IP68 rated enclosure providing dust tight and waterproof protection
• Panel mount design with top-positioned ports

Alarms, Buzzers, And Sirens Applications

• Industrial equipment status indication
• Marine or outdoor environmental monitoring alarms
• HVAC system fault signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify that the specific suffix (U) matches the required configuration against official manufacturer documentation. Confirm that the operating environment remains within the specified temperature range and that the DC supply voltage aligns with the 5 to 25 volt specification. Ensure physical mounting constraints accommodate the stated diameter and height dimensions.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a rugged, waterproof audible indicator is required for harsh environments. The wide voltage tolerance allows flexibility in power supply design. Verify that the 70 dB output is sufficient for the ambient noise levels of the intended application site.

Alarms, Buzzers, And Sirens Part Context

This model is part of the Audiolarm II product line from Floyd Bell Inc., designed for reliable acoustic signaling. The series typically offers various voltage and frequency options to suit different industrial standards. This specific variant emphasizes durability through its IP68 rating and robust piezo construction.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains the same voltage range, frequency, and IP68 rating to guarantee functional equivalence.