Motor Siren, Model: MS-390

 Motor Siren, Model: MS-390

The MS-390 is a heavy-duty motor siren often used in industrial and emergency applications to produce a loud, powerful warning signal. Here are some key features and details commonly associated with the MS-390 siren:

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Features:

1. High Sound Output: It typically produces a sound level of around 120–130 dB, depending on the model and power source, making it suitable for wide-area coverage.
2. Durable Construction: Designed for outdoor use, the MS-390 is made from robust materials like cast aluminum, offering resistance to harsh weather conditions.
3. Voltage Options: Available in various voltage configurations, such as 110V, 220V, or DC options, to suit different power supply setups.
4. Mounting Flexibility: It is often designed with brackets or base plates for easy installation on poles, walls, or vehicles.
5. Applications:
   • Fire alarms
   • Air raid or civil defense warnings
   • Industrial and factory signaling
   • Disaster or emergency evacuation alerts

Technical Specifications (General):

• Sound Frequency: Typically around 500–800 Hz
• Range: Audible up to 1–2 kilometers in open spaces
• Motor Power: Often ranges from 200W to 500W
• Rotation Speed: The motor creates a spinning rotor for the siren, producing a characteristic oscillating sound.