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MS 490 Water and Dust Protected 120dB Emergency and Fire Double Electric Motor Siren. 120dB sound output. AC230V voltage. IP44 water and dust protection. Aluminum and stainless steel housing. Double motor design for high output. Cable transmission mode. Price mentioned per piece.
Available colors
The MS-490 is an industrial electric motor siren designed for emergency and fire alarm use in harsh or large environments. While some listings call it a "double electric motor" siren, many simply list it as an "electric motor siren" (implying robust motor-driven mechanism) with high decibel output. Key Features: Sound Level: approx 120 dB (standard spec) at 1 m for AC230V version; Voltage / Current: AC230V, current ~1.6A for 50/60 Hz; Protection Grade: IP44 (water & dust protected) for outdoor or semi-exposed use; Material: Aluminium + steel housing for durability & rugged environments; Insulation Resistance / Withstand Voltage: For example, insulation resistance 100 MΩ at 500 VDC; dielectric strength 500 VAC, 50/60Hz for 1 minute. Industry / Use Cases: Cranes and ship-/port operations; Fire alarm systems in factories, warehouses, workshops; Farms, reservoirs, mines and airports for warning and signal use; Security / large outdoor alarm systems for industrial zones and boats.
Safety Information
Electric motor siren for emergency and fire alarm use. Inspect before each use for damage. Ensure wiring and mounting bracket are in good condition. Use with correct voltage supply. Store in a cool, dry place.
IP44 Protection Grade
Verified
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