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DC Mcb For Solar
  • DC Mcb For SolarDC Mcb For Solar
  • DC Mcb For SolarDC Mcb For Solar
  • DC Mcb For SolarDC Mcb For Solar
  • DC Mcb For SolarDC Mcb For Solar

DC Mcb For Solar

CNKA is a professional enterprise specializing in the research, development, and production of wholesale DC Mcb For Solar applications in the photovoltaic industry. Our product line includes dedicated photovoltaic circuit breakers, photovoltaic AC/DC combiner boxes, distribution cabinets, large-scale photovoltaic grid-connected cabinets, grid-connected boxes, and photovoltaic lightning protection systems. These products are extensively utilized in new energy grid-connected distribution systems. They are known for their easy installation, robust reliability, and comprehensive certifications, making them highly esteemed and trusted by customers worldwide.

CNKA dc mcb for solar Introduction

 

CNKA DC MCB for solar suppliers in China is designed for DC circuits, with a rated voltage of 1000V and a maximum rated current of 63A, providing overload and short circuit protection. Additionally, this device is suitable for intermittent operation in low-frequency DC applications, such as communication and photovoltaic systems.

 

CNKA dc mcb for solar 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 mcb for solar Feature

 

1 The enclosure is crafted from thermoplastic material, completely enclosing the connection ports, offering impact resistance and recyclability.

2  Featuring the traditional U-shaped tunnel terminal design, ensuring secure and reliable connections, maximizing safety.

3  The proprietary airflow system effectively lowers temperatures between adjacent circuit breakers, enhancing circuit safety.

4  The safety handle incorporates a classic, ergonomic design for simplicity, convenience, and dependable operation.

 

CNKA dc mcb for solar Details

 

1 Clear red and green indicator lights are visible.

2  The handle is reinforced for a secure grip.

3  PC flame-retardant materials enhance safety significantly.

4  Top cooling vents are designed to enhance heat dissipation efficiency.

 

 

 

CNKA dc mcb for solar Dimensions and wiring

 

CNKA dc mcb for solar Working conditions


1 The installation site should not exceed an altitude of 2000 meters above sea level.

2 The relative humidity at the installation site should not exceed 50% at a maximum temperature of 40°C. At lower temperatures, such as 20°C, the allowable relative humidity can reach up to 90%.

3 Precautions should be taken for occasional condensation resulting from temperature changes.

4 Ensure the installation site is sheltered from rain and snow.

5  Installation categories: The main circuit of the circuit breaker is categorized as III, while auxiliary and control circuits not connected to the main circuit are categorized as II.

 

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    Jingtai Testing Equipment, Xiangyang Industrial Zone, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province

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