MB-09-516-S(U)

Alarms, Buzzers, And Sirens Overview

The MB-09-516-S(U) is a panel mount chime alarm manufactured by Floyd Bell Inc, belonging to the Audiolarm II series. It utilizes piezo 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 power consumption current between 5 and 25 mA. It produces a sound pressure level of 70 dB at 5V measured from a distance of 61 cm, emitting a tone at a frequency of 2.9 kHz. The unit is designed for top port mounting and offers IP68 protection against dust and water ingress. Operating temperatures range from -20°C to 65°C, and it carries UL and UR approval agencies.

Alarms, Buzzers, And Sirens Feature Summary

• Piezo-driven internal circuitry for reliable chime operation
• IP68 rated enclosure providing dust tight and waterproof protection
• Top-mounted port configuration for flexible panel installation
• Certified compliance with UL and UR safety standards

Alarms, Buzzers, And Sirens Applications

• Industrial equipment status indication
• Control panel alarm signaling
• Automated machinery warning systems
• Environmental monitoring station alerts

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix (U) against official manufacturer documentation to confirm exact lead time and packaging requirements. Ensure the input voltage matches the 5-25V DC specification before integration. Confirm that the IP68 rating meets the environmental exposure needs of the intended installation site. Cross-reference the UL/UR listing number for regulatory compliance in your region.

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 compatibility with various control system outputs without additional regulation. Consider the 70 dB SPL output relative to ambient noise levels to ensure audibility. Verify physical dimensions fit the available panel cutout space.

Alarms, Buzzers, And Sirens Part Context

This model is part of the Audiolarm II family, which focuses on durable piezoelectric signaling devices. The series is characterized by robust construction suitable for industrial applications requiring high ingress protection. Similar models in the lineup may vary in voltage ratings or acoustic output but share the same fundamental piezo design philosophy.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official substitution lists for direct replacements. Ensure any substitute maintains the IP68 rating and compatible voltage range. Verify mechanical mounting dimensions match the existing panel setup.