31324 Wohner fuse link 15 A, 600 V AC, fast acting, Class J

31324 Wohner fuse link 15 A, 600 V AC, fast acting, Class J

Wöhner 31324 Mersen Class J fast-acting cylindrical fuse link rated at 15 A, 600 V AC and 300 V DC, with a 21 × 57 mm format and high short-circuit interrupting capacity.

SKU: 31324Alt SKU: 31324000AMPN: 31324000A
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Sold in packs of 10

£29.38

Why Choose the Wöhner 31324 Class J Fuse Link?

The Wöhner 31324 is a high-performance Class J fast-acting cylindrical fuse link designed to provide dependable overcurrent and short-circuit protection in industrial electrical systems. Manufactured by Mersen for the Wöhner product range, it is suitable for control panels, switchboards and machinery requiring reliable protection at voltages up to 600 V AC.

With a rated current of 15 A and a compact 21 × 57 mm Class J format, the Wöhner 31324 delivers rapid interruption of excessive current to help protect sensitive conductors, control equipment and electrical components. Its fast-acting characteristic responds quickly to fault conditions where intentional time delay is not required.

The fuse is rated for both 600 V AC and 300 V DC applications, with a short-circuit current rating of up to 200 kA AC. Its porcelain, halogen-free construction provides robust mechanical and thermal performance for demanding industrial environments.

Key Advantages

  • Reliable Class J fast-acting fuse protection.
  • 15 A rated current for industrial control and distribution circuits.
  • 600 V AC and 300 V DC ratings support versatile applications.
  • High 200 kA AC short-circuit current rating.
  • Fast response helps protect sensitive electrical equipment.
  • Compact 21 × 57 mm cylindrical format.
  • Durable porcelain and halogen-free construction.

Key Features

  • Wöhner Class J fuse link.
  • Manufactured by Mersen.
  • 15 A rated current.
  • 600 V AC rated voltage.
  • 300 V DC rated voltage.
  • Fast-acting operating characteristic.
  • Class J 30 A frame size.
  • 200 kA AC short-circuit current rating.
  • 100 kA DC short-circuit current rating.
  • Porcelain, halogen-free body.

Fast-Acting Protection for Industrial Circuits

Fast-acting Class J fuse links interrupt excessive current quickly, helping limit damage to conductors, control components and other electrical equipment during overload or short-circuit conditions. This makes the Wöhner 31324 particularly suitable for circuits that do not experience significant normal operating inrush currents.

Its high interrupting capacity supports installation in demanding industrial systems with substantial prospective fault currents. When installed in a compatible Class J fuse holder, the fuse provides compact and dependable circuit protection for machinery, automation equipment and electrical distribution assemblies.

Typical Applications

  • Industrial electrical control panels.
  • Automation and control circuits.
  • OEM machinery and production equipment.
  • Electrical switchboards and distribution systems.
  • Branch circuit and feeder protection.
  • Commercial and industrial electrical installations.

Technical Specifications

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Current 15 A
Manufacturer Wöhner
Fuse manufacturer Mersen
Model 31324
Alternative SKU 31324000A
Product type Cylindrical fuse link
Fuse class Class J
Frame size Class J 30 A
Operating characteristic Fast acting
Rated current 15 A
Rated voltage AC 600 V
Rated voltage DC 300 V
Rated frequency 50 / 60 Hz
AC short-circuit current rating 200 kA
DC short-circuit current rating 100 kA
Dimensions (W × H × D) 21 × 57 × 21 mm
Material Porcelain
Halogen-free Yes
Standards UL 248-8, UL 248-1
GTIN / EAN 4021267313241
Pack quantity 10
Weight Approx. 50 g per fuse

Frequently Asked Questions

What is the Wöhner 31324 used for?

The Wöhner 31324 is a fast-acting Class J fuse link used to protect industrial electrical circuits and equipment against excessive current and short circuits.

What is the current rating of the Wöhner 31324?

The fuse has a rated current of 15 A.

What voltage ratings does this fuse support?

The Wöhner 31324 is rated for applications up to 600 V AC and 300 V DC.

Is the Wöhner 31324 a time-delay fuse?

No. It has a fast-acting characteristic, allowing it to respond rapidly when an overload or short-circuit fault occurs.

What fuse holders are compatible with the Wöhner 31324?

It is designed for compatible Class J fuse holders that accept 21 × 57 mm fuse links with a 30 A frame size.

Trusted by Electrical Professionals Worldwide

Wöhner Class J fuse links are trusted by panel builders, OEM manufacturers and electrical engineers for delivering rapid, reliable overcurrent protection in demanding industrial electrical installations.