WESTKING'S HSFJ750 series DC fuses
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.
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
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.
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
IEC/EN 60269-4
RoHS Compliant
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.
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.
• is09001 iatf16949
China
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 |
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 |
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 |
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 |