MS-790 High decibel Bidirectional Electric Wind Screw Alarm Air Defense Alarm Product Description Durable and high volume, making it easy to transmit signal sounds over long distances Suitable for transmitting signals in various cranes, ships, fire alarm systems, as well as farm and security alarm transmission Surgical standard color RED. Shell material aluminum and steel Insulation impedance 100MΩ (at 500 VDC). Voltage withstand 500VAC, 50/60Hz in 1 minute Protection level IP44; Order specifications and models, optional voltage and current (A), frequency (Hz), decibels, dB (A), 1m packaging size, packing quantity, gross weight, MS-790AC110V4.1cm2pcsAC230V2.2, external drawing; Product Features& nbsp;   High quality motor with a rotation speed of 20000 revolutions per second& nbsp;    The MS-790 high decibel bidirectional electric wind screw alarm air defense alarm is durable and has a high volume, making it easy to transmit signal sounds over long distances Suitable for transmitting signals in various cranes, ships, fire alarm systems, as well as farm and security alarm transmission Surgical standard color: RED Shell materials: aluminum and steel materials Insulation impedance: 100MΩ (at 500 VDC) . Voltage withstand: 500VAC, 50/60Hz in 1 minute













; Product description Durable and high volume, making it easy to transmit signal sounds over long distances Suitable for transmitting signals in various cranes, ships, fire alarm systems, as well as farm and security alarm transmission Surgical standard color RED. Shell material aluminum and steel Insulation impedance 100MΩ (at 500 VDC). Voltage withstand 500VAC, 50/60Hz in 1 minute Protection level IP44; Order specifications and models, optional voltage and current (A), frequency (Hz), decibels, dB (A), 1m packaging size, packing quantity, gross weight, MS-790AC110V4.1cm2pcsAC230V2.2, external drawing; Product Features& nbsp;   High quality motor with a rotation speed of 20000 revolutions per second& nbsp;    The product description states that the sustainable working time can last for more than 40 minutes Durable and high volume, making it easy to transmit signal sounds over long distances Suitable for transmitting signals in various cranes, ships, fire alarm systems, as well as farm and security alarm transmission Surgical standard color RED. Shell material aluminum and steel Insulation impedance 100MΩ (at 500 VDC). Voltage withstand 500VAC, 50/60Hz in 1 minute Protection level IP44; Order specifications and models, optional voltage and current (A), frequency (Hz), decibels, dB (A), 1m packaging size, packing quantity, gross weight, MS-790AC110V4.1cm2pcsAC230V2.2, external drawing; Product Features& nbsp;   High quality motor with a rotation speed of 20000 revolutions per second& nbsp;    The sustainable working time can last for more than 40 minutes;