70A-3

Overview

The Omega 70A-3 is a low-cost audible alarm annunciator from the 70A series, designed for industrial signaling applications. It features a slow pulse tone output with a sound level of 95 dB at a frequency of 2900 Hz. The unit operates on a supply voltage of 120 Vac and utilizes solid-state technology to ensure reliability without mechanical wear or arcing. It supports an operating temperature range from -30 °C to 65 °C and offers an operational life of 100 hours continuous operation at maximum rated voltage and temperature.

Feature Summary

• Solid-state construction eliminates arcing and mechanical wear for enhanced reliability
• Produces a slow pulse tone signal for distinct auditory alerting
• Designed for easy installation in industrial environments
• Operates within a wide temperature range suitable for varied conditions

Applications

• Industrial alarm systems requiring audible notification
• Low-cost annunciator panels for machinery monitoring
• Safety signaling in commercial or industrial facilities

Procurement Notes

Verify the specific model suffix against official documentation to confirm the exact tone type and voltage rating. Ensure the supply voltage matches the system requirements (120 Vac for this variant). Confirm that the environmental conditions fall within the specified operating temperature range. Check for any mounting or wiring specifications required for integration into existing control panels.

Selection Notes

Select this model when a slow pulse tone is required for alarm indication. Consider the 120 Vac supply requirement for compatibility with existing power infrastructure. Evaluate the need for solid-state reliability over mechanical alternatives. Compare with other variants in the 70A series if different tone patterns or voltages are needed.

Part Context

The 70A series comprises low-cost audible alarm annunciators manufactured by Omega. These devices are engineered for straightforward integration into alarm systems. The series includes various models offering different tone patterns such as continuous, fast pulse, and warble tones, catering to diverse signaling needs across industrial sectors.