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2)
#327,890
ろうでんしゃだんき
Meaning
    1. ①
      earth leakage circuit breaker; ground fault circuit interrupter; GFCI; residual current device; RCD
    1. ①
      EN An Earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock.
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4)
はいせんようしゃだんき
Meaning
    1. ①
      electricity, elec. eng.
      molded-case circuit breaker; MCCB
    1. ①
      EN A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device that instantly breaks an electric circuit to prevent serious harm fr...
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