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NDB5E-40 loT Series Miniature Circuit Breaker
Updated：July 17,2026 10:35AM

NDB5E-40 series of IoT miniature circuit breakers are applicable to the low-voltage terminal distribution inthe industrycivil buildings energycommunication infrastructure and other fields.
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NDB5E-40

Features of NDB5E-40 Series

  • Short circuit protection
  • Overload protection
  • Over-voltage/under-voltage protection
  • Isolation
  • Electric energy metering
  • Remote opening and closing
  • Timed opening and closing

Technology data of NDB5E-40 Series

Number of poles:1P+N
Rated working voltage:AC230/240V
Rated working current:6A、10A、16A、20A、25A、32A、40A
Rated insulation voltage:500V
Rated impulse withstand voltage:4kV
Rated frequency:50/60Hz
Power frequency withstand voltage:AC2500V 50Hz 1min
Reference setting temperature:30℃
Rated short-circuit breaking capacity Icn:6kA
Rated running breaking capacity Ics:6kA
lnstantaneous tripping characteristics:Type B(3-5)In.,Type C(5-10)In.,Type D(10-14)In.

Datasheet of NDB5E-40 Series

NDB5E-40-loT-Series-MCB-Datasheet.pdf
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Factory Address：Pudong, Shanghai, China / Jiaxing, Zhejiang, China
Technical Support：+86-400-99-02706
Email：rfq@nader-circuit-breaker.com