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NDB2LE-63 Series Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
Updated：July 17,2026 17:14PM

NDB2LE-63 series residual current unit clipped onto the right side of NDB2-63 series MCBs to protection against earth leakage faults which is used in low voltage electrical distribution system in industry real estate power telecom and construction field.
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NDB2LE-63
NDB2LE-63

Features of NDB2LE-63 Series

  • Protection against short circuit
  • Protection against overload
  • earth leakage Protection
  • Isolation

Technology data of NDB2LE-63 Series

Rated working voltage (Ue):AC230/240V(1P+N、2P)  AC380/400/415V(3P、3P+N、4P)
Rated working frequency:50/60Hz
Rated current(In):1A,2A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A
Breaking capacity(Icn):10kA
Rated residual operating current:30mA、50mA、100mA、300mA
Rated residual operating time:≤0.1s
Rated residual making and breaking capacity(I△m):600A
Mechanical&electrical life:10000 times

Datasheet of NDB2LE-63 Series

NDB2LE-63-Series-RCBO-Datasheet.pdf
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