Factory outside the school bell ringing instrument 8-inch external-type bells | diameter 120mm

Factory outside the school bell ringing instrument 8-inch external-type bells | diameter 120mm
 

Product description:

Product parameters:

  • Brand: Changdian
  • Model: 8-inch electric bell Great Wall


Great Wall 8-inch external attack type electric bell

Product video introduction http: // vyoukucom / v_show / id_XNTM2NTE1MDcyhtml

1. Scope of application
This product is a non-sparking bell, stainless steel, suitable for industrial and mining enterprises, organizations, public places schools and equipment supporting the AC 50HZ, the voltage to 220V the following circuit, call or notification signal, , Alarm and so on.


Second, the normal working conditions:

1. Altitude of not more than 2000 meters

2. Ambient humidity is not higher than +40 degrees and not less than - 25 degrees relative humidity of not more than 90% (when the temperature at +25 degrees)

3. In the surrounding air, no flammable and corrosive gases or conductive dust and no significant shake and shock vibration of the environment.

4. Rated voltage ± 10% can work normally, continuous work is not more than 10 minutes.

5. Pollution level 2, installation category II.










First, function and use

This product can be used as factory, school and institution to control the bell automatically according to the time set by the user.If equipped with the corresponding language film, it can also be used as voice prompts for home and office schedule to realize automatic, timely and accurate warning. effect.