CNKA is a leading manufacturer and supplier based in China, specializing in DC circuit breakers for solar panels. With years of expertise in solar electrical components, we offer competitive pricing and extensive coverage across European markets. We are eager to establish long-term partnerships with you in China.
CNKA dc circuit breakers for solar panels Introduction
CNKA specializes in manufacturing DC circuit breakers for solar panels in China. Our products include essential components like the casing, operating mechanism, thermal overload protection, electromagnetic tripping, contact system, and arc system.
Our circuit breakers are uniquely designed to provide effective protection against overload and short circuits. The addition of a strong permanent magnet arc system further enhances the product's short circuit capability, achieving up to 6KA.
CNKA dc circuit breakers for solar panels 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
Pollution Degree
3
ngress Protection
IP40 Wiring Port IP20
Resistance To Humidity And Heat
Class 2
Terminal Capacity
2.5 x35mm2
Fastening Torque Of Terminals
2.0℃ 3.5Nm
Ambient Temperature
-30℃ ~+70℃
Storage Temperature
-40℃ ~+85℃
nstallation Method
DIN
Standard
EC60947-2
CNKA dc circuit breakers for solar panels Feature
1.Ensure correct polarity during wiring, with power entering from the top and exiting from the bottom due to our inlet design.
2.Easy installation reduces cable usage.
3.Protects low inrush current resistive and inductive loads efficiently (5-10 times In).
4.Suitable for homes, offices, construction, and industrial use.
CNKA dc circuit breakers for solar panels Details
1.Clear visual indication with red and green lights for switch status.
2.Double-thickened handle for enhanced durability and ease of operation.
3.PC flame retardant material ensures high temperature resistance, prevents deformation, offers a smooth appearance, durability, and good anti-aging performance.
4.Top cooling design for effective heat dissipation, reducing circuit breaker overheating and associated faults.
CNKA dc circuit breakers for solar panels Dimensions and wiring
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If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.
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