Description
NANZHOU 8″ Double Motor Siren AC 240V MS 690 Series – Excellent Professional Safety Alarm
The NANZHOU 8″ Double Motor Siren MS-690 Series is the most powerful and professional audible warning device in its class, engineered for the most demanding and expansive industrial environments. This siren is built with a robust design to withstand harsh conditions and provide long-term reliability. It produces an unparalleled 140dB sound, making it easily audible over the noise of heavy machinery, vast production floors, and outdoor facilities, ensuring that the warning is heard loud and clear across a wide area.
Available in AC 220V (often referred to as AC 240V in many regions), the MS-690 can be seamlessly integrated into a variety of large-scale safety systems and civil defense alarms. With a powerful 350W rating and a working duration of 25 minutes, it is both efficient and reliable when an alarm condition requires sustained warning. Its sturdy construction and high-performance specifications make it the definitive choice for professionals who need the loudest, most durable, and most reliable warning device to ensure uncompromising safety.
Specification :
| Parameter | Value |
| Model | MS-690 |
| Name | Motor (wind screw) alarm series |
| Voltage | AC 220V |
| Power | 350W |
| Frequency | 1000Hz |
| Decibel | 140dB |
| Protection grade | IP44 |
| Operation temperature | -20°C ~ +60°C |
| Duration (working time) | 25 minutes |
| Overall dimensions | 289 × 224 × 133 mm |
Dimension :
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