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:Leakage circuit breaker is not on, how to do
Disconnect all electrical appliances from the line; Adjust the switch of all the lamps to the open position; (the lamp is not energized)
Q:What type of switch circuit breaker has undervoltage protection
hat its trip in the form of double, that is, a thermal release and Electromagnetic release, it has over-voltage, under voltage protection
Q:Is there a circuit breaker in the circuit
And the fuse in the line failure, but to protect the fault of the line, but the problem appears here, assuming
Q:How long is the circuit breaker long delay time?
istribution circuit breaker and control circuit of the circuit breaker long delay function is different, household circuit breakers and industrial circuit breakers are different,
Q:Where will the circuit breaker auxiliary contacts be used? ,
short delay, Instantaneous and ground fault four protection functions. Part of the electronic molded case circuit breaker new products also have a regional selective chain function
Q:Is the isolator and circuit breaker able to switch to each other?
The main function of the disconnector is the form of air insulation gap that can be seen, and the circuit is reliably isolated
Q:The difference between the leakage switch of the air switch circuit breaker
Mainly used for short circuit and overload protection. General 1P1P plus N or 2P. 3P or 4P, etc.
Q:What is the difference between a circuit breaker and other switches?
replace the contacts and components more convenient, and more used in the power side of the main switch
Q:How to protect the leakage protector leakage protection?
Also known as leakage relays are often used to maintain an important place for electricity. RCD principle for the use of zero sequence current
Q:How is the circuit breaker different from the air circuit breaker?
Transformer, line capacitance current and other small load), knife fuse switch is a switch and fuse combination of electrical appliances,

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