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  2. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    On the other hand, if the power supply has a voltage selector switch, based on the Delon circuit, for 115/230 V (computer ATX power supplies typically are in this category), the selector switch would have to be put in the 230 V position, and the required voltage would be 325 VDC (230 × √2). The diodes in this type of power supply will handle ...

  3. Power supply - Wikipedia

    en.wikipedia.org/wiki/Power_supply

    An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...

  4. Appliance classes - Wikipedia

    en.wikipedia.org/wiki/Appliance_classes

    Insulated AC/DC power supplies (such as cell-phone chargers) are typically designated as Class II, meaning that the DC output wires are isolated from the AC input. The designation "Class II" should not be confused with the designation "Class 2", as the latter is unrelated to insulation (it originates from standard UL 1310, setting limits on ...

  5. Extra-low voltage - Wikipedia

    en.wikipedia.org/wiki/Extra-low_voltage

    AS/NZS 3000 Wiring Rules define "extra low voltage" as "Not exceeding 50 V AC or 120 V ripple-free DC" However, AS/ACIF S009 Clause 3.1.78.1 Extra-Low Voltage (ELV)states: "a voltage not exceeding 42.4 V peak or 60 V DC [AS/NZS 60950.1:2003]" and adds a note: "This definition differs from the ELV definition contained in AS/NZS 3000:2000" which ...

  6. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    24-pin ATX12V 2.x power supply connector Color Signal [A] Pin [B] Pin [B] [C] Signal [A] Color Orange +3.3 V 1 13 +3.3 V Orange +3.3 V sense [D] Brown Orange +3.3 V 2 14 −12 V Blue Black Ground 3 15 Ground Black Red +5 V 4 16 Power on [E] Green Black Ground 5 17 Ground Black Red +5 V 6 18 Ground Black Black Ground 7 19 Ground Black Grey

  7. IO-Link - Wikipedia

    en.wikipedia.org/wiki/IO-Link

    Port class B uses only M12 connectors with 5 pins. M12 connectors are mechanically "A"-coded according to IEC 61076-2-101. [5] Female connectors are assigned to the master and male connectors to the device. At the master pin 1 to pin 3 provides 24V DC power with max. 200 mA for an optional power supply of the IO-Link device.

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