Model NO.: WDFHO, WFFHO, WDNHO, WFNHO
Color: Brown, White
Length: 254, 403, 600mm
Diameter: 51, 76mm
Operation: Manual Type
Installation: Insert
Speed: High-Speed Circuit Breaker
Structure: Conventional Circuit Breaker
Arc-Extinguishing Medium: Air
Function: Ovp(Overvoltage Protection)
Trademark: SR
Specification: ISO9001
Origin: China
HS Code: 8535100000
Key Specifications/Special Features:

1. Motor protection

2. High breaking capability

3. High voltage current limiting fuse

4. Suitable for electrical power system of AC 50Hz, rated voltage 10kV and below, rated current up to 400A(3.6KV), 224A(7.2KV) circuit for protecting motor and other power equipment from overload and short-circuit.

5. High-pressured fuse conforms to the national GB15166.2 standard and the international electrical committee IEC 60282 standard as well as German DIN standard and British BS standard.
Foreign Model Department Model Rated voltage (kV) Rated current (A) Rated breaking current (kA) Diameter
  (mm)		 Length
(mm)
WDF. O XRNM1 3.6 31.5, 40, 50, 63, 80, 100, 125 50 51 254
WFF. O XRNM1 3.6 125, 160, 200 50 76 254
WKF. O XRNM1 3.6 250, 315, 355, 400 50 76 254
WFN. O XRNM1 7.2 25, 31.5, 40, 50, 63, 80, 100, 125, 160 40 76 403
WKN. O XRNM1 7.2 200, 224 40 76 403

 		 XRNM1 10 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 224 40 76 600

Polycrystalline Solar Panel

Polycrystalline silicon solar panels are a common type of Solar Panel whose main function is to convert sunlight into electricity. The following are the main functions of polycrystalline silicon solar panels:

Photoelectric conversion: Polycrystalline silicon solar panels are made of polycrystalline silicon material, and their surface is covered with multiple silicon crystals, which can absorb photons in sunlight. When the photons are absorbed, they release electrons from the silicon crystal, creating an electric current. This process, called photoelectric conversion, converts the energy of sunlight into electricity.

Power generation: The current and voltage generated by polycrystalline silicon solar panels through photoelectric conversion can be used for power generation. Multiple solar panels are combined into a solar module, and a solar array can be formed when used on a large scale. These battery modules and arrays can absorb large amounts of sunlight and convert it into electricity to supply the grid or be used to power equipment.

Renewable energy: Solar panels use sunlight to generate electricity and are therefore renewable energy. Sunlight is free, widely distributed, and not exhausted, so the use of solar panels helps reduce dependence on traditional energy sources, lowers carbon emissions, and is environmentally friendly.

Noiseless: Solar panels have no mechanical moving parts, so there is no noise during the power generation process. This makes them ideal for use in residential areas, schools, and other places where a quiet environment is required.

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Ningbo Autrends International Trade Co., Ltd. , https://www.china-energystorage.com

August 23, 2023