The MS-390 motorized siren is a high-volume industrial alarm that runs on AC220V power and delivers an extremely loud warning sound.
- Specifications: Operates on AC220V–240V, reaching sound levels up to 125 dB suitable for wide-range signaling.
- Usage Limit: Designed for intermittent signaling with a continuous working time limit of under 3 minutes per activation to prevent motor overheating.
- Applications: Utilized for security alerts, emergency evacuation, and fire or industrial warnings in factories, schools, and commercial properties.





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