Residual Current Circit NDM2L Series MCCB with Residual Current Protection 16A-400A

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Shanghai
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TT or LC
Min Order Qty:
200 pc
Supply Capability:
99999 pc/month

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Product Description:

Rated residual operating current I△n: 100mA/300mA/500mA/1000mA (adjustable/non-adjustable)

Operating time: ≤0.2s (non-delay type); 0.5s/1.15s/2.15s (delay type)

N-pole type of 4-pole MCCB:

    A: N-pole is always close without overload release

    B: N-pole is open or close together with other three poles and without overload release

    C: N-pole is open or close together with other three poles and with overload release

 

Feature

· Small size, high breaking capacity, short arc, shake-resisting, and so on.

· Suitable for both vertical and horizontal installation.

· With isolating function.

· Residual current of the protecting modular is from 3 phases, making it possible to work normally in case of default of any phase.

· Adjustable on the site: With three grades of residual current and three grades of delay time. User can adjust them according to the requirements on the site.

· Indication of working status: Normal-Green lamp; Fault-Red lamp; Alarm-Yellow lamp (≥25%I△n).

· Good performance under voltage faults: Be able to perform residual current protection when phase voltage drops to 50V.

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:Is the isolator switchable with a circuit breaker?
Disconnector: similar to the knife switch, no to prevent overcurrent, short circuit function, no arc device;
Q:Switch switch, disconnector, circuit breaker difference? What are the possible functions of each?
Circuit breaker, it can be on the line voltage, current and other parameters to monitor, alarm, action, not only as a break poin
Q:Which is the circuit switch, that is the circuit breaker
so the frame circuit breaker and molded case circuit breaker applications are different occasions, the framework used in the higher into the line, molded case applied to the lower level of the framework.
Q:Is the zero line going through the circuit breaker?
Three-phase three-wire, the use of protection to zero system, the zero line is absolutely not allowed to go through the circuit breaker, because the zero line is broken,
Q:Load switch, vacuum switch and circuit breaker
Load switch: can safely cut off the load current, can not cut off the short circuit current
Q:Discussion on the Selection of Circuit Breaker in Low Voltage Circuit
In the rated current, molded case circuit breaker is generally 630A (some new products can reach 1600A) the following
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:Circuit problem! Hurry Miniature Circuit Breaker!
it may be the circuit breaker itself is faulty, need to be replaced. (Of course, there may be lines due to insulation damage and there is a short circuit, but may be smaller)
Q:What is the difference between a circuit breaker and other switches?
In practical applications, more than 800A loop or segmentation capability requires particularly high circuit or the need for more features of the circuit should be used frame circuit breaker,
Q:Short trip also tripped, overload also trip it?
who works in a simple sentence, will produce heat when any electrical work and power are proportional to the heat for the degree.

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