This product is mainly installed under the locomotive of rail transit vehicles to achieve the function of emitting sound warning signals to the outside of the vehicle.
The product consists of a driver module, a speaker, and a power supply. Equipped with overheat protection, overvoltage, overcurrent, short circuit, and over temperature protection, as well as self checking functions; Sound files can be replaced through the built-in dedicated interface; The volume can be adjusted.
Main Parameters
Rated input and working voltage: DC110V
Voltage range: DC77V~DC137.5V
Power≤ 120W
Sound level: 105+ 5dB(A)@2m
Operating environment temperature: -25 ℃~40 ℃
IP rating: IP65 (for control boxes), overall not lower than IP55.
Fire rating: EN45545-2 HL3
Meet the requirements of Class I A/B shock and vibration according to IEC 61373-2010