UC4-55mm  Stainless Steel Round door bell electric call bell matal material ring bell

General :

The UC4 series Internal shock type electric bell which is suitable for AC 380 volts, DC 220 volts and below, used in indoor and outdoor public places as audio signals and alarms.
Use Scop:

1. The ambient temperature is not higher than +40 ° C, not lower than -40 ° C;
2. The relative humidity of the air is not more than 85%;
3. Continuous operation for 10 minutes, the temperature rise does not exceed 80 °C;
4. The power supply voltage fluctuates within ±10% of the rated voltage range and can still work normally;