MC-09-948-Q

Alarms, Buzzers, And Sirens Overview

The MC-09-948-Q 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 of 5 to 25 mA. It produces a sound pressure level of 70 dB at 5V measured at 61 cm distance, with a frequency of 2.9 kHz. The unit has IP68 ingress protection ratings, ensuring it is dust tight and waterproof. Operating temperatures range from -20°C to 65°C. Physical dimensions include a diameter of 35.81 mm and a maximum installation height of 37.59 mm. It connects via wire leads positioned at the top.

Alarms, Buzzers, And Sirens Feature Summary

• Piezo-based internal drive mechanism for chime signaling
• IP68 rated enclosure providing dust tight and waterproof protection
• Wide DC voltage operational range supporting 5 to 25 volts
• Panel mount design with top-positioned wire lead connections

Alarms, Buzzers, And Sirens Applications

• Industrial equipment status indication
• Appliance audio signaling
• Control panel alarm systems
• Automotive or marine instrument panels requiring water resistance

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific manufacturer part number against official Floyd Bell documentation to ensure authenticity. Confirm that the required voltage and current specifications align with the target application's power supply capabilities. Check for any specific UL or UR listing requirements relevant to the intended end-use environment. Ensure physical mounting constraints accommodate the specified diameter and height dimensions.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a robust, waterproof audible indicator is required for panel mounting. The wide voltage range allows flexibility in system design without needing additional regulation for the driver circuit. Consider the 70 dB SPL output for environments where moderate volume is sufficient. Verify that the operating temperature range meets the environmental conditions of the installation site.

Alarms, Buzzers, And Sirens Part Context

This component is part of the Audiolarm II series from Floyd Bell Inc, designed for reliable chime and alarm applications. The series typically offers various configurations for different voltage and acoustic requirements. As a piezo device, it provides consistent performance over time compared to electromagnetic alternatives. The IP68 rating distinguishes it from standard indoor-only indicators, making it suitable for harsher environments.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official Floyd Bell substitution guides for direct replacements. Ensure any substitute maintains the same voltage range, SPL output, and IP68 rating. Verify mechanical compatibility regarding panel cutout size and mounting method. Cross-reference pinouts and electrical characteristics if the replacement uses a different connector type.