MB-09-948-W(U)

Alarms, Buzzers, And Sirens Overview

The MB-09-948-W(U) is an internally driven piezoelectric buzzer from Floyd Bell Inc, designed for panel mounting. It operates on a DC input voltage range of 9 to 48V. The device generates an acoustic output of 95dB at 48V with a frequency of 2.9kHz. Current consumption is specified between 5 and 20mA. It features wire leads for connection and offers IP68 ingress protection, ensuring it is dust-tight and waterproof. The unit has a seated height maximum dimension and utilizes pulse or fast operating modes.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric technology for direct DC operation
• IP68 rated enclosure providing dust-tight and waterproof protection
• Panel mount design with integrated wire leads
• High sound pressure level output capability

Alarms, Buzzers, And Sirens Applications

• Industrial control panels requiring audible status indication
• Marine equipment needing waterproof alarm components
• Outdoor electronic enclosures exposed to harsh environments
• Medical devices requiring reliable internal signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix (U) matches your wiring requirements, as lead length and termination style may vary across the series. Confirm that the 9V minimum operating voltage aligns with your system's power supply rails. Ensure the panel cutout dimensions accommodate the 35.81mm diameter. Check that the 2.9kHz frequency is suitable for your noise environment. Validate IP68 sealing integrity if submersion is anticipated.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when high environmental resistance is critical due to its IP68 rating. Consider the 9-48V wide voltage range for flexibility in power systems. The internally driven nature simplifies circuit design by removing the need for external oscillators. Compare the 95dB output against ambient noise levels to ensure audibility. Evaluate the wire lead configuration against available space and routing constraints within the assembly.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the Floyd Bell Turbo series of piezoelectric buzzers. It shares the same form factor and core technology as variants like MB-09-948-W(M) and MB-09-948-W(S), differing primarily in electrical characteristics and connector types. The series is engineered for robust industrial applications where reliability under stress is paramount.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct substitutes include MB-09-948-W(M) and MB-09-948-W(S). Verify that the replacement variant maintains the required voltage range and acoustic output. Ensure the mounting hole diameter remains compatible with the existing panel structure. Confirm that the lead type matches the intended connection method.