CH-09-525-S(S)

Overview

The CH-09-525-S(S) is a panel mount chime alarm from the AudioLarm II series manufactured by Floyd Bell Inc. It utilizes piezo technology 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 and emits a frequency of 2.9 kHz. The unit has IP68 ingress protection, ensuring it is dust tight and waterproof. Physical dimensions include a diameter of 35.81 mm and a maximum installation height of 37.59 mm. Operating temperatures range from -20°C to 65°C.

Feature Summary

• Piezoelectric construction for durable industrial audio signaling
• Internally driven indicator circuit for simplified integration
• IP68 rated enclosure providing dust tight and waterproof protection
• Panel mount design with top ported wire leads

Applications

• Industrial machinery status indication
• Control panel alarm systems
• Enclosures requiring waterproof audio alerts
• Heavy equipment operator warnings

Procurement Notes

Verify the specific suffix against official documentation, as variations such as (F) or (S) may denote differences in termination style or acoustic tuning. Confirm that the required operating voltage aligns with the 5-25V DC specification. Ensure the mounting hole diameter accommodates the 35.81 mm dimension. Check for UL and UR agency approval requirements relevant to the target installation environment.

Selection Notes

Select this component when a rugged, waterproof audible signal is required for panel-mounted applications. The wide voltage input range allows compatibility with various control system power supplies. The high SPL output ensures audibility in noisy industrial environments. Consider the physical size constraints relative to the available panel space before finalizing the selection.

Part Context

This model belongs to the AudioLarm II series, recognized as a widely used industrial alarm line. The series emphasizes durability and reliability for harsh environments. The product integrates both audio and visual indication functions into a single compact unit, simplifying wiring and assembly processes for original equipment manufacturers.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and dimensional compatibility if considering alternative brands. Ensure replacement units meet the same IP68 rating and voltage specifications.