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KX-TDA0103X/KX-TDA0103XJ/KX-TDA0104X/KX-TDA0104XJ
4.3.
Circuit Description
4.3.1.
AC Section
This section consists of the AC input connection and EMI noise filter
1. AC Inlet and Connector CN005
3 pin AC inlet and wire to board connector
Allow AC connection via the external metal chassis to the Power supply circuitry
Allow AC connection via the external metal chassis to the Power supply circuitry
2. SW001
Double pole rocker ON/OFF switch
Allow the switching On and Off the AC supply to the power supply unit
Allow the switching On and Off the AC supply to the power supply unit
3. F001
5 x20 mm fuse with fuse clip
Provide the protection against abnormal current into the power supply by cutting the L line in hazardous situation.
Provide the protection against abnormal current into the power supply by cutting the L line in hazardous situation.
4. Filter and Surge absorber circuit
Z001 : ZNR
Provide protection against external surge such as lightning surge
Provide protection against external surge such as lightning surge
C027, C031 : Across-the-line EMI filter capacitors (X-cap)
L011, L012 : Common mode line filter
C028, C030, C032, C033 : Line-to-Earth capacitor (Y-cap)
Limits the EMI noise generated by the power supply
L011, L012 : Common mode line filter
C028, C030, C032, C033 : Line-to-Earth capacitor (Y-cap)
Limits the EMI noise generated by the power supply
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