NKC1-63DC 6KA MCB Mini Circuit Breaker
The NKC1-63DC 6KA MCB Mini Circuit Breaker is primarily intended for use in PV (photovoltaic) solar power systems. Specifically designed for applications such as DC solar combiner boxes and controllers, this circuit breaker offers robust performance. With a maximum voltage rating of up to 1200VDC and a current handling capacity of up to 63A, it ensures efficient power management.
The NKC1-63DC 6KA MCB features effective disconnection capabilities and incorporates anti-reflux protection to safeguard the system. Furthermore, its scientifically designed arc-extinguishing system enhances safety within the PV system, providing an additional layer of protection.
Product parameters
|
Standard |
IEC/EN60947-2 |
Protection |
Overcurrent and short circuit |
|
Type of trip |
Thermo-magnetic |
No.of poles |
1P,2P,4P |
|
Rated currents In |
1, 2 ,3 ,4, 5, 6, 10, 16,20, 25, 32, 40, 50, 63A |
Rated voltage Ue |
1P(250VDC), 2P(500VDC), 4P(1000VDC) |
|
Rated breaking capacity |
6,000A |
Rated impulse withstandard voltage(1.5/50)Uimp |
4,000V |
|
Dielectric test voltage at Ind.Freq.for 1min |
3kV |
Thermal release characteristic |
(1.05-1.30)xln |
|
Magnetic release characteristic |
10In±20% |
Electrical life |
4,000Cycles |
|
Mechanical life |
10,000Cycles |
Contact position indicator |
Yes |
|
Protection degree |
IP20 |
Ambient temperature |
-5Cto+40℃ Max.95%humidity |
|
Terminal connection type |
Cable/Pin-type busbar/Fork-type busbar |
Max.terminal size for cable |
25mm² |
|
Max.tightening torque |
2.5N.m |
Installation |
Mounting on 35mm DIN rail |
|
Connection |
According to the wiring diagram |
|
|
Product Introduction
The NKC1-63DC 6KA MCB Mini Circuit Breaker is designed for optimal protection against overcurrent and short circuits, featuring thermo-magnetic trip type functionality. With options for 1P, 2P, or 4P poles and a wide range of rated currents from 1A to 63A, this circuit breaker offers reliable performance and a high breaking capacity of 6,000A. Its compact structure includes a contact position indicator, flexible terminal connection types, and easy installation on a 35mm DIN rail, making it a versatile and durable choice for various electrical applications.
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Specification drawing
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