SCH628R

Alarms, Buzzers, And Sirens Overview

The SCH628R is an internally driven piezoelectric industrial alarm manufactured by Mallory Sonalert Products Inc. It operates on a voltage range of 6 to 28V DC and draws between 6 and 23mA. The device emits a continuous tone at a frequency of 2.9 kHz with a sound pressure level of 86 dB measured at 6V from a distance of 61 cm. Designed for panel mounting, it features threaded terminals and 0.250-inch quick-connect tabs. The unit has a diameter of 42.85 mm and a maximum height of 1.330 inches, operating within a temperature range of -30°C to 65°C.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric technology for direct connection to power sources
• Industrial-grade environmental protection rated IP66, NEMA 3R, 4X, and 12
• Dual termination options including threaded terminals and quick-connect tabs
• Certified for safety compliance by CSA, cUL, and UL agencies

Alarms, Buzzers, And Sirens Applications

• Industrial machinery fault signaling
• Medical equipment status indication
• Security system alerts
• Control panel audio indicators

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix against official Mallory Sonalert documentation to confirm terminal type and acoustic output. Confirm that the required voltage and current ratings align with the target circuit design. Ensure the enclosure rating meets the installation environment's IP or NEMA requirements. Check for any recent product change notices affecting specifications.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when a robust, internally driven indicator is needed for harsh environments. The dual termination style offers flexibility in wiring methods. Verify that the 86 dB SPL is sufficient for the ambient noise levels of the application site. Consider the physical dimensions to ensure compatibility with the available panel cutout space.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the SC series of industrial alarms from Mallory Sonalert. The series is known for providing reliable audio indication solutions across various sectors. The SCH variant specifically denotes the inclusion of quick-connect tabs alongside standard screw terminals, enhancing installation versatility compared to models with only one termination style.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official Mallory Sonalert substitution guides for verified equivalents. Generic replacements may not match the specific IP66/NEMA 4X sealing or certified safety ratings. Ensure any substitute maintains the 6-28V DC operating range and compatible mounting dimensions.