With over a decade of experience in the electrical industry, CNKA is adept at producing DC miniature circuit breakers that meet the latest DC standards. We guarantee top-quality products and exceptional service. We look forward to establishing a long-term and mutually beneficial partnership with you and your company.
The DC miniature circuit breaker from CNKA is designed for DC circuits rated below 1000V. It is primarily used for overload and short circuit protection and can also be employed for occasional operation switching. The rated current should not exceed 63A.
CNKA dc miniature circuit breaker Parameter (Specification)
Product Model
NBL7-63
Pole
1P
2P
4P
Frame Current
63A
Rated Current
In
6,10,16,20,25,32,40,50,63A
Rated Working Voltage
Ue(DC)
300V
500/600/1000V
1000V
Rated Insulation Voltage
Ui
1200V
Rated Impulse Withstand Voltage
Uimp
6kV
Breaking Capacity
Icu
6KA
Tripping Characteristic
C
Tripping Type
Thermal Magnetic
Electrical Life
Actual
500 Cycles(63A Frame)
Standard
300 Cycles
Mechanical Life
Actual
10000 Cycles(63A Frame)
Standard
9700 Cycles
Overvoltage Category
I
Pollution Degree
3
Ingress Protection
IP40 Wiring Port IP20
Resistance To Humidity And Heat
Class 2
Terminal Capacity
2.5x35mm2
Fastening Torque Of Terminals
2.0℃3.5Nm
Ambient Temperature
-30℃~~+70℃
Storage Temperature
-40℃~+85℃
Installation Method
DIN
Standard
IEC60947-2
CNKA dc miniature circuit breaker Feature
· 1 Designed for photovoltaic energy storage and other DC applications, with a maximum rated voltage of 1000V.
· 2Complies with AS60947.3-2018 and IEC60947.1-2015 standards.
· 3 Includes a 2-year warranty, product insurance, and recall insurance.
· 4 This product is ideal for photovoltaic energy storage and other DC applications, with a voltage rating up to 1000V, adherence to AS60947.3-2018 and IEC60947.1-2015 standards, and comes with a 2-year warranty, product insurance, and recall insurance.
CNKA dc miniature circuit breaker Details
CNKA dc miniature circuit breaker Dimensions and wiring
CNKA dc miniature circuit breaker FAQ
Q: Do you have an office in Shanghai or Guangzhou that I can visit?
A: Our office is located in Wenzhou.
Q: Can I purchase just some spare parts from you?
A: Absolutely, we believe that long-term cooperation often begins with small orders.
Q: Can you deliver your equipment to my warehouse in Guangzhou?
A: Yes, for small orders, we offer free delivery to Guangzhou.
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