750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse
  • 750VDC HSFJ750 High Speed Fuse750VDC HSFJ750 High Speed Fuse

750VDC HSFJ750 High Speed Fuse

WESTKING'S HSFJ750 series DC fuses 750VDC HSFJ750 High Speed Fuse are bolt-connected cylindrical fast-acting fuses, suitable for semiconductor devices such as inverters, rectifiers, and converters, battery and motor devices, and industries such as rail transit and charging stations. The products feature fast action response, low temperature rise and power consumption, and good anti-vibration performance, providing reliable short-circuit protection for various power systems.

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Product Description


WESTKING'S HSFJ750 Series North American style bolted tags high speed fuses are designed for the protection of:

DC common bus: Ensuring the safety and reliability of the direct current bus system.

DC drives power converters/rectifiers: Protecting these devices from overloading and short circuits.

Reduced rated voltage starters: Preventing damage to these devices due to overvoltage or overcurrent.

High voltage traction inverters: Safeguarding these inverters from voltage surges and other electrical hazards.

These fuses 750VDC HSFJ750 High Speed Fuse offer reliable protection for various electrical devices and systems, featuring fast action response, low temperature rise, and good anti-vibration performance. Ideal for industries such as rail transit and charging stations, WESTKING'S HSFJ750 Series fuses meet the demands of modern electrical systems and ensure the safety of operators and equipment.


750VDC HSFJ750 High Speed Fuse Technical data

Type Rated voltage Rated  currents
HSFJ750-20-LS-(Amp) 750VDC/1000Vac 50A,60A,70A,80A,100A,125A,150A
HSFJ750-28-LS-(Amp) 750VDC/1000Vac 100A,125A,150A,175A,200A,250A
HSFJ750-35-NS-(Amp) 750VDC/1000Vac 200A,250A,300A,350A,400A
HSFJ750-48-NS-(Amp) 750VDC/1000Vac 300A,350A,400A,450A,500A,550A,600A

Utilization category:aR

Rated breaking capacity:50kA


Standards

IEC/EN 60269-4

RoHS Compliant


750VDC HSFJ750 High Speed Fuse KEY FEATURES/ADVANTAGES

Fast Power Cutoff: High-speed fuses offer quick current termination, minimizing accident losses.

Reliability: The bolt-connected design boosts stability and reliability, ensuring normal operation in harsh environments.

Easy Installation: Standardized design of bolt-connected fuses makes installation and maintenance straightforward.

Wide Applicability: High-speed fuses are suitable for various power equipment, including DC common buses, DC drive power converters/rectifiers, reduced-rated voltage starters, and high-voltage traction inverters.

Safety: High-speed fuses protect equipment and personnel during faults.

Environmental Protection: Environment-friendly materials are used in manufacturing, reducing environmental impacts.

Energy Saving: High-speed fuses feature high power cutoff speed, contributing to energy conservation.


750VDC HSFJ750 High Speed Fuse APPLICATIONS

The WESTKING'S HSFJ750 series of North American-style bolt-connected high-speed fuses are primarily designed for the protection of DC common buses, DC drive power converters/rectifiers, reduced-rated voltage starters, and high-voltage traction inverters.

These fuses play a vital role in electrical systems, as they can quickly cut off the power supply in cases of current overload or short circuits.

This feature ensures the safety of equipment and prevents damage, making them an indispensable part of various power systems.


Certifications

• is09001 iatf16949


Origin

China


750VDC HIGH SPEED FUSE-HSFJ750-20-LS

Type Power loss 1.0 In(w) Mounting bolt/ torque
Melting Clearing
HSFJ750-20-LS-50A 165 760 12.0 Install bolt M8 Recommended mounting torque 12.0 N▪m
HSFJ750-20-LS-60A 280 1050 14.0
HSFJ750-20-LS-70A 400 1500 17.0
HSFJ750-20-LS-80A 550 2300 19.5
HSFJ750-20-LS-100A 960 3870 23.0
HSFJ750-20-LS-125A 1640 5800 26.5
HSFJ750-20-LS-150A 2450 8460 31.0


750VDC HIGH SPEED FUSE-HSFJ750-28-LS

Type I2t (A2s) Power loss 1.0 In(w) Mounting bolt/ torque
Melting Clearing
HSFJ750-28-LS-100A 700 3500 21.0 Install bolt M8 Recommended mounting torque 12.0 N▪m
HSFJ750-28-LS-125A 1350 5200 26.5
HSFJ750-28-LS-150A 1900 7500 33.0
HSFJ750-28-LS-175A 2800 9000 38.0
HSFJ750-28-LS-200A 4550 15100 42.5
HSFJ750-28-LS-250A 6900 34500 52.0


750VDC HIGH SPEED FUSE-HSFJ750-35-NS

Type I2t (A2s) Power loss 1.0In(w) Mounting bolt/ torque
Melting Clearing
HSFJ750-35-NS-200A 7200 18600 40.0 Install bolt M10 Recommended mounting torque 20.0 N▪m
HSFJ750-35-NS-250A 10300 38500 45.5
HSFJ750-35-NS-300A 14500 56700 50.0
HSFJ750-35-NS-350A 19000 75800 57.5
HSFJ750-35-NS-400A 26500 99000 70.0


750VDC HIGH SPEED FUSE-HSFJ750-48-NS

Type I2t (A2s) Power loss 1.0In(w) Mounting bolt/ torque
Melting Clearing
HSFJ750-48-NS-300A 17000 72000 53.5 Install bolt M10 Recommended mounting torque 20.0 N▪m
HSFJ750-48-NS-350A 21000 95000 61.0
HSFJ750-48-NS-400A 30000 115000 76.5
HSFJ750-48-NS-450A 37000 135000 91.0
HSFJ750-48-NS-500A 45000 178500 101.5
HSFJ750-48-NS-550A 56500 214000 112.5
HSFJ750-48-NS-600A 63000 265000 125.0


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