150VDC HSF21J High Speed Fuse

Westking's HSF21J high-speed fuse 150VDC HSF21J High Speed Fuse is designed for North American style applications. It is rated for 150 Vac/dc (UL) and can handle currents ranging from 70 to 400 A. This type of fuse is commonly used for the protection of DC common bus, DC drives, power converters/rectifiers, and reduced rated voltage starters. The North American style bolted tag high-speed fuses offer reliable protection and efficient performance in various electrical systems.

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Product Description

Westking's HSF21J high-speed fuse is primarily designed to protect lithium batteries and semiconductor equipment, including power converters/rectifiers, buck starters, and other related devices. Lithium batteries are becoming increasingly popular due to their high energy density and environmental friendliness, but they require proper protection to prevent overvoltage, overcurrent, and short-circuit conditions.

In summary, Westking's HSF21J high-speed fuse is a robust and reliable solution for protecting DC circuits in North American style applications. With its high current rating and fast-acting mechanism, it offers excellent protection for a variety of electrical systems.

150VDC HSF21J High Speed Fuse Technical data

Type	Rated voltage	Rated currents
HSF21J-(Amp)	150VDC/250Vac	70A、80A、100A、125A、150A、200A、 250A、300A、350A、400A

Utilization category:aR

Rated breaking capacity:AC250V-100kA / DC150V--20kA

Standards

Low I2t preserves protected components from damage in case of short circuits.

Managed arc voltage minimizes stress on circuit components during fuse operation.

Flexible mounting types accommodate diverse termination needs.

150VDC HSF21J High Speed Fuse APPLICATIONS

Protection of heavy duty devices such as electrochemical rectifiers

Lithium battery,

Semiconductor equipment such as power converter/rectifier, buck starter,etc.

150VDC HSF21J High Speed Fuse Certifications

• is09001 iatf16949

Origin

China

150VDC HSF21J HIGH SPEED FUSE

Type	I2t (A2s)		Power loss 1.0 In（w）	Mounting bolt/ torque
Type	Melting	Clearing	Power loss 1.0 In（w）	Mounting bolt/ torque
HSF21J-70AMP	470	4000	6.9	Install bolt M8 Recommended mounting torque 12.0 N▪m
HSF21J-80AMP	670	6000	7.7
HSF21J-100AMP	1200	12000	9.0
HSF21J-125AMP	1870	18000	11.2
HSF21J-150AMP	2700	26000	13.5
HSF21J-200AMP	4780	45000	17.6
HSF21J-250AMP	7470	70000	22.5
HSF21J-300AMP	10760	100000	27.0
HSF21J-350AMP	15700	140000	30.6
HSF21J-400AMP	20300	180000	35.2