Installation requirements for air defense warning horn loudspeaker

2024 01/10

After years of practice, it has been concluded that when installing alarm speaker, it is necessary to confirm that the winding of the motor meets the requirements according to corresponding standards to ensure that its insulation resistance meets safety standards. Due to the need for short circuit protection in the power supply, the current should be ensured to be less than 7 times the fixed multiple of the rated current and greater than 5 times. The support of the alarm equipment should meet safety requirements and undergo rust prevention treatment. The siren speaker horn needs to be installed and debugged to confirm that the bottom welding is firm.

It is necessary to note that the connection wires between the power supply and the motor are firm and reliable, and the grounding device is installed firmly. The nuts of the junction box of the power supply machine need to be installed tightly to ensure that the junction box cover is sealed tightly. The power cord needs to be fixed with cables or steel wires outdoors, and fixed with wire clamps indoors. At the same time, it is necessary to ensure that appropriate waterproof and lightning protection loudspeaker hron is equipped.