MERSEN FUSE 600V 100A CLASS J HS FUSE HSJ100

MERSEN FUSE 600V 100A CLASS J HS FUSE HSJ100

The Fuse HSJ100 is a high-speed Class J fuse rated at 100 amps, designed for superior circuit protection in industrial applications up to 600VAC and 500VDC with a breaking capacity of 200 kA.

SKU: HSJ100MPN: HSJ100
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List Price £140.94 ex VAT
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Sold in packs of 5

£77.52

Why Choose the Mersen HSJ100 High-Speed Class J Fuse?

The Mersen HSJ100 is a high-speed Class J semiconductor protection fuse designed to provide rapid fault-current interruption in industrial power and electronic equipment. Combining the compact dimensions of a Class J fuse with fast-acting performance, it helps protect sensitive components against damaging short-circuit currents.

Part of the Mersen HSJ high-speed fuse series, the HSJ100 is suitable for applications containing variable frequency drives, power converters, rectifiers, UPS equipment and other semiconductor-based systems. Its current-limiting construction reduces peak fault current and let-through energy, helping minimise damage to connected equipment.

With a rated current of 100 A and a maximum voltage rating of 600 V AC, the HSJ100 provides dependable protection for demanding industrial circuits. Its Class J rejection dimensions help prevent the installation of unsuitable fuse classes in compatible fuse holders.

Key Advantages

  • High-speed Class J fuse for semiconductor and equipment protection.
  • 100 A rated current for industrial power applications.
  • 600 V AC voltage rating suitable for industrial distribution systems.
  • Current-limiting operation reduces peak fault current and let-through energy.
  • Class J rejection dimensions help prevent incorrect fuse substitution.
  • Compact construction supports space-efficient electrical panel designs.

Key Features

  • Mersen HSJ high-speed fuse series.
  • 100 A rated current.
  • 600 V AC maximum voltage rating.
  • High-speed operating characteristic for sensitive equipment.
  • Class J rejection-style fuse dimensions.
  • Current-limiting design for reduced fault energy.
  • Suitable for semiconductor and industrial equipment protection.
  • Designed for use with compatible Class J fuse holders.

High-Speed Protection for Industrial Power Equipment

High-speed fuses are engineered to clear short-circuit faults more rapidly than general-purpose overcurrent fuses. This fast response helps limit the thermal and electrical stress applied to semiconductor devices, conductors and other vulnerable equipment during a fault.

The Mersen HSJ100 combines high-speed performance with the compact, rejection-style design of a Class J fuse. It should be selected according to the operating voltage, normal load current, available fault current and protection requirements of the connected equipment.

Typical Applications

  • Variable frequency drives and industrial motor drives.
  • Power converters, rectifiers and inverters.
  • Uninterruptible power supply systems.
  • Industrial control and automation panels.
  • Semiconductor-based power equipment.
  • Machinery and OEM electrical assemblies.

Technical Specifications

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Current 100 A
Voltage 600 V
Fuse Type UL class
Item number HSJ100
Description Fuse HSJ - Class J - High-Speed 600VAC 500VDC 100A Blade Amp-Trap®
EAN/UPC Code 782001329594
Rated voltage AC UL 600 V
Rated voltage DC UL 500 V
Frequency (Hz) 50/60 Hz
Ampere Rating 100 A
AC or DC AC/DC
Fuse Class Class J
Speed/Characteristic High Speed
Mounting Clip
AC Max I.R./Breaking Capacity I1: 200 kA
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Blade
Product Diameter 27 mm
Product Length 117.6 mm
Sell Pack Quantity 5 EA
Sell Pack Weight 0.5625 kg
Sell Pack Width 136.7 mm
Sell Pack Length 152.4 mm
Sell Pack Height 26.9 mm
Product group Low Voltage UL/CSA Fuses
Body/Insulating Material GMG
Product Weight 0.1075 kg
HS Code 85361090
Country of Manufacture Mexico

Frequently Asked Questions

What is the Mersen HSJ100 used for?

The Mersen HSJ100 is used to provide high-speed short-circuit protection for semiconductor devices, industrial drives, power converters and other sensitive electrical equipment.

What is the current rating of the HSJ100?

The Mersen HSJ100 has a rated current of 100 A.

What voltage is the Mersen HSJ100 rated for?

The HSJ100 is rated for electrical systems operating at up to 600 V AC.

Is the HSJ100 a fuse holder?

No. The HSJ100 is a high-speed Class J fuse-link. A compatible Class J fuse holder or fuse block must be selected separately.

Where is the Mersen HSJ100 typically installed?

It is typically installed in a compatible Class J fuse holder within industrial control panels, drive systems, power-conversion equipment and machinery assemblies.

Trusted High-Speed Circuit Protection

Mersen high-speed fuses are widely used by electrical engineers, panel builders and equipment manufacturers to protect sensitive industrial power electronics against damaging short-circuit currents.