residual current device rcd circuit breaker rccb that instantly breaks electric |
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| navigate by keyword : 2018 automatic automation board box breaker breaks button cable caution circuit connect control device digital doublepole electric electrical electricity electronic energy harm industry instantly kyiv november panel pole power prevent rccb rcd residualcurrent serious switch technology that twopole ukraine voltage |
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| KYIV, UKRAINE - November, 30, 2018: A residual-current device RCD, or residual-current circuit breaker RCCB, is a device that instantly breaks an electric circuit to prevent serious harm |
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