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UC4-55MM industrial electric bell
1:UC4-55MM industrial electric bellScope of application
This product is fire freeIt is suitable for communication of 50HZ, voltage below 220V in the circuit of industrial and mining enterprises, government organizations, public places, schools and instruments and equipment, and also for calling or notification signals. In addition, it is also suitable for family doorbell, alarm, etc.
2:UC4-55MM industrial electric bellNormal working conditions
1: the altitude does not exceed 2000 meters2. weeksThe relative temperature of air is no more than 90% (when the temperature is at +25).
2: ambient medium humidity is not higher than +40 degrees and not lower than -25 degrees. Air relative temperature is not greater than 90% (when the temperature is at +25 degrees)
3: it is used in the environment without flammable and corrosive gases or conductive dust in the surrounding air and without significant shaking and impact vibration.
4. Working normally at rated voltage + / - 10%, working continuously for no more than 10 minutes.
5: pollution level 2, installation class II
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