MB-09-201-Q(U)

Alarms, Buzzers, And Sirens Overview

The MB-09-201-Q(U) is a panel mount chime alarm manufactured by Floyd Bell Inc. It belongs to the Audiolarm II series and features an internally driven piezo driver circuit. The device operates on a DC input voltage range of 5 to 25 volts, drawing between 5 and 25 milliamps. It produces a sound pressure level of 70 decibels at 5 volts measured from a distance of 61 centimeters. The operating frequency is 2.9 kilohertz. The unit utilizes wire leads for termination and has a top port location. Physical dimensions include a diameter of 35.81 millimeters and a maximum installation height of 37.59 millimeters. It is rated IP68 for dust tightness and waterproofing, with an operating temperature range of -20°C to 65°C.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezo technology for direct DC connection
• IP68 rated enclosure providing dust tight and waterproof protection
• Top-mounted port location for directional sound projection

Alarms, Buzzers, And Sirens Applications

• Panel mounted industrial chime alarms
• Waterproof environmental signaling systems
• DC powered status indication units

Alarms, Buzzers, And Sirens Procurement Notes

Verify that the specific suffix (U) matches the required configuration against official manufacturer documentation. Confirm that the internal driver circuit aligns with the available DC supply voltage within the specified 5 to 25 volt range. Ensure the IP68 rating meets the environmental exposure requirements for the intended installation site.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a self-contained, internally driven chime is required for panel mounting in wet or dusty conditions. The wide DC voltage tolerance allows flexibility in power supply selection. Verify that the 70 dB acoustic output is sufficient for the ambient noise levels of the application environment.

Alarms, Buzzers, And Sirens Part Context

This part is part of the Audiolarm II product line from Floyd Bell Inc. It is designed as a robust signaling device suitable for harsh environments. The piezo construction ensures reliability without mechanical moving parts. The IP68 classification distinguishes it from standard indoor indicators.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official Floyd Bell cross-reference documents for verified substitute part numbers. Generic replacements may not match the specific IP68 sealing or internal driver characteristics.