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SANHE EPC17 High Stability Switch Mode Power Supply Transformer For Visual Doorbells

Short Description:

Model NO. : SANHE-EPC17
SANHE-EPC17 transformer is used for  switch mode power supply of visual doorbells, providing the required voltage for the basic functions of the doorbell, such as the display screen, electronic bell, telephone, etc. The product is safe to use and features high functioning stability, reliable solution and long-term stable service.

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It is mainly to supply power for the doorbell, and cooperate with related circuits to achieve the following functions:

1. Power the doorbell display and call system, ensure normal display and communication function.
2. Power supply for the control module to realize auxiliary functions such as picture adjustment and sound adjustment


1.Voltage & Current Load
Output V1 Vcc
Type(V) 23V 10-24V
Max Load 0.435A
2.Operation Temp Range:  -30℃ to 70℃
 The maximum temperature rise:65℃
3.Input Voltage Range(AC)
Min 85V 50/60Hz
Max 115V 50/60Hz

Dimensions:(Unit: mm)& Diagram



1. The design retains a sufficient safety distance, and there is no danger of electric shock under abnormal conditions
2. The product passed a number of reliability tests such as high temperature and high humidity, thermal shock and so on
3. The size of the doorbell box is miniaturized to ensure that it can be installed in a limited space


1. It can provide video signal quickly after pressing the doorbell
2. No noise interference during work
3. Low standby power consumption
4. Safe, reliable and long life design



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