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  1. Brightshadow

    Using DC supply voltage for standard wall wart PS

    You guys answered my question. Thanks so much for the input, I very much appreciate it.
  2. Brightshadow

    Using DC supply voltage for standard wall wart PS

    I was wondering if anyone knows if standard 120 VAC-rated wall wart power supplies can be sourced with 125 VDC instead of 120 VAC? Virtually all of these types of power supplies I see (think power supply for a wireless phone, USB cellular phone charger, etc.) indicate 100-240 VAC as the supply...
  3. Brightshadow

    MCCB rating for LVDC circuit

    I am working on a design involving a 125 VDC (nominal) circuit, and am looking to specify a 2-pole MCCB. Although the nominal rating of my DC system is 125 VDC (62.5 VDC on negative and 62.5 VDC on positive), and is ungrounded, the system floats at 134-136 VDC. The ratings on MCCB for DC tend...
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