NDM3E Series Electronic Molded Case Circuit Breaker 32A 800A

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Product NameNDM3E Series Electronic MCCB
Standards and CertificatesIEC60947-1; IEC60947- 2
Rated VoltageAC 400V
Rated Current32A~800A
Breaking Capacity50kA~100kA@AC 400V 50Hz
Isolation FunctionYes
Number of Poles3 Poles, 4 Poles
Tripping Characteristics/
Mechanical Endurance20000 times (for NDM3E-125, NDM3E-250), 15000 times (for NDM3E-400), 10000 times (for NDM3E-630,NDM3E-800)
Wiring Capacity/
Electric AccessoriesAuxiliary Switch, Alarm Switch, Shunt Release, Under-voltage Release



· Standard: IEC60947-1; IEC60947- 2

· Rated Voltage: AC 400V

· Rated Current: 32A~800A

· Number of Poles: 3, 4

· Mechanical Life (With maintenance): 20000 times (for NDM3E-125, NDM3E-250);

10000 times (for NDM3E-400, NDM3E-630);

5000 times (for NDM3E-800).

· Rated Ultimate Breaking Capacity Icu AC 50Hz 400V: 50kA~100kA

· Rated Operating Short Circuit Breaking Capacity Ics AC 50Hz 400V: 35kA~65kA


· Communication function: The breaker can be connected with computer to realize remote control, remote-adjust, remote-meter and remote-information.

· Overload alarm non-tripping function: The breaker is with overload alarm non-tripping function. Once the breaker is set with this function, it will not trip when there is overload. Overload signal will be sent through output node to ensure continuity of power supply.

· Protective function against grounding fault: The breaker with protective function against grounding fault can protect the circuit against grounding fault.

· Rapid installing internal accessories: The whole series product can be equipped with modular accessories rapidly.

· 3-segment protection functions: The breaker can provide protection functions against overload, short-circuit with delayed trip and short-circuit withinstantaneous trip. It can be adjusted by customers.

· Self-power: Intellectual controller is powered by circuit breaker itself.

· Pre-alarm indication: LED "Alarm" on the panel flashes and then lights solid when the actual current reaches or exceeds pre-alarm tripping threshold Ip.

· Overload indication: LED "Over" lights solid when the load current exceeds long-time overload tripping threshold.

· Instantaneous tripping function at large current: Breaker is tripped directly by electromagnetic trip unit when there is large current during operation.

· Various connection types and accessories available.



Q1 : Do you accept OEM/ODM?

ODM&OEM are warmly welcomed !!!



Q2 : what’s your payment?


a)We can accept payment terms of T/T, Western Union, PayPal


Samples and trial order accept PayPal ,T/T & Western Union. normal order accept T/T &Western Union 


b) 30% ADVANCE DEPOSIT after buyer's confirmed payment, the balance should be paid before shipping when goods are ready.




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Q:Selection of Circuit Breakers in Low Voltage Circuits
that is, after the trip can be reset. They can also be used as power-on / off switches for protected equipment.
Q:How to distinguish between disconnectors, circuit breakers?
mainly used to disconnect the no-load current circuit, isolated power supply, in the sub-gate when there is a clear disconnect point to ensure the safety of other electrical equipment maintenance.
Q:Is there a circuit breaker in the circuit
Such as the circuit breaker at work, when a failure occurs, it is the power of all disconnected.
Q:Is the isolator and circuit breaker able to switch to each other?
such as the use of broken break with a visible breaking point of the circuit breaker, may not be isolated Switch "disconnector can be replaced by a short circuit (technical information can be accessed)
Q:Is this an air switch or a leak protector?
The second with overload protection. Short circuit protection and leakage protection of the RCD. Also known as leakage circuit breaker.
Q:Frame circuit breaker, molded case circuit breaker difference
but many people are not very aware of the differences between the two, in the purchase time often appear indecisive situation.
Q:What circuit symbols are used for circuit breakers
Residual current protection device (hereinafter referred to as the NLD), which detects the residual current,
Q:What is the length of time that the circuit breaker can delay?
that is to say the greater the overload the greater the tripping time, overload current tripping time is long
Q:How to choose a circuit breaker for home and small office circuits
Leakage accessory handle. Leakage causes not removed before the small circuit breaker handle and leakage accessory handle can not be reset.
Q:Circuit system diagram how the circuit breaker said
so as to avoid serious equipment and personal accidents. Only the voltage transformer, arrester, the excitation current does not exceed 2A no-load transformer

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