BS Type fuse 180A250V DC fuse

                            2E18H High Speed Fuse

1.Purpose and use

 This series of fuses are applicable to lines with rated AC voltage below 250V (240V), rated current of 25A-180A and breaking capacity of AC 100kA They are widely used in charger, power supply, on-board battery, on-board circuit system and inverter comprehensive protection. At the same time, it has the characteristics of strong current limiting capacity, large breaking capacity and fast short-circuit breaking speed. Can withstand temperature shock, mechanical shock, current shock, chemical load, etc. This series of products comply with GB / T13539.4. UL248-1 standard.

2.Normal working conditions

Normal operating conditions of ambient air temperature: - 5 ℃ ~ 40 ℃; allowable operating conditions: - 40 ℃ ~ + 125 ℃;

3. Use category

Semiconductor rapid protection(aR)

4. Structural characteristics

The melting tube of the product is made of high-temperature resistant ceramic material, with high flame-retardant performance and strong hardness.

The melt is sealed in the melting tube with a variable cross-section melt made of 99.99% pure silver. The melting tube is filled with chemically treated high-purity quartz sand and specially treated chemical materials as arc extinguishing medium. The contact surface is silver plated to ensure reliable electrical performance, greatly reducing temperature rise and power  consumption; Both ends of the melt are firmly connected with the contact by spot welding, which greatly enhances the safety and reliability of breaking short circuit fault current

5. Main parameters

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