Electrical Distribution

 
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Transformers with buzzer and ringtone

  • General
  • Documentation

Applications
Going from supplying power to a bell circuit, to supplying power to the control circuit of impulse switches, relays or contactors for the control of lighting, heating, etc.


Features
Safety transformers have short-circuit protection and continuous nominal power. Bell transformers are recommended for intermittent use at the nominal power declared (50% for continuous use). Full power available at all secondary voltages. The safety terminals are equipped with captive Pozidriv screws and have IP20 protection degree.


Function
Reducing the voltage to a very low (safety) voltage used mainly as control-voltage in order to reduce the risk of electrocution due to environmental circumstances (I.e. high degree of humidity like out- doors, in a swimming pool complex, etc.).


Standards
IEC 61558-1-2-6: Safety transformer
IEC 61558-1-2-8: Bell transformer

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