, The bell transformer is designed for use in combination with consumers requiring an interrupted supply at extremely low safety voltages , Application for doorbells, buzzers and gongs , Mounting on DIN top-hat rails , Can be integrated into consumer units and used for discontinuous and continuous applications , Housing: Polyamide 66 , Protection class: IP40 , Single phase: 50/60 Hz , Protected against unintentional or accidental contact with live parts xxB Class II under the front panel in the distributor , AC primary and DC secondary alternating voltages , Bell transformer IEC 61558-2-8 standard , Protected against overloads and short circuits by built-in PTC (Positive Temperature Coefficient, PTC refers to general properties) in the primary winding , In the event of an overload, switch off the power supply and allow the transformer to cool down before switching it back on , Performance for 4V-8V-12V access control devices such as:- Bell- Chime- Door release- Optical / electrical barrier , Also:- Water detector- Temperature rise detector , Connections:- Primary flexible or rigid: 1 to 4 mm- Secondary flexible or rigid: 1 to 4 mm
