Applicable Scope
NKB10-63 series of small DC circuit breaker is applicable for the circuit whose rated DC voltage is 250V, rates operating current is 63A to protect from overload and short circuit, as well as non-frequent switching in circuit under normal condition. It is used in DC system applications of telecommunication and photovoltaic system.
This product meets the standard of GB10963.2.
Main Technical Parameters
1. Basic Parameters(see table1 )                                                                        Table1

Rated operating current In(A)6,10,16,20,25,32,40,50,63
Number of poles1P,2P
Rated operating voltage Ue(V)DC250
Rated impulse withstanding voltage Uimp (kV)6
Extreme tripping ability for short circuit Icn(kA)6
Instaneous tripping featureC
Optional accessoriesAuxiliary contact, alarming contact
2. Over Voltage Tripping Feature(see table2)                                                      Table2
Instaneous tripping featureTrial currentStart stateRated timeExpected resultsNotes
C1.051nColdt≥1hNon tripping 
C1.301nHott≤1hTrippingThe current shall stably rise to the rated value within 5s
C71nColdt≥0.1sNon tripping 


FOB Price:
Minimum Order: 1000PCS
Port: Foshan
Payment Terms: L/C,T/T,D/A,D/P,Credit Card,Western Union,Money Order,Paypal,Others

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