CH-09-525-S(M)

Overview

The CH-09-525-S(M) 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 at 61 cm and emits a frequency of 2.9 kHz. The unit is rated IP68 for dust tightness and waterproofing, suitable for operation in temperatures ranging from -20°C to 65°C.

Feature Summary

• Piezo-driven internal circuitry for direct DC activation
• IP68 ingress protection rating ensuring waterproof and dust-tight performance
• Panel mount design with top-positioned wire leads

Applications

• Industrial equipment status indication
• Marine or outdoor environmental monitoring alarms
• Control panel audio signaling

Procurement Notes

Verify the specific suffix against official documentation to confirm exact acoustic and electrical characteristics. Ensure the selected variant matches the required mounting configuration and lead style for the intended enclosure integration. Cross-reference the manufacturer's latest datasheet to confirm active production status and compliance certifications before finalizing procurement.

Selection Notes

Select this component when high environmental resistance is required due to its IP68 rating. The wide operating voltage range allows compatibility with various DC power systems. Consider the 70 dB output level relative to ambient noise requirements and verify that the physical dimensions fit the available panel space.

Part Context

This part belongs to the Audiolarm II series of piezo chimes. It is designed for robust industrial applications requiring reliable audio signaling in harsh conditions. The product line emphasizes durability and straightforward integration into control panels through standard wire lead termination.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify that any replacement maintains the same voltage range, frequency, and IP68 rating to ensure functional equivalence.