31397 Wohner cylindr. fuse link 3 A, 600 V AC, time delay, Class CC

31397 Wohner cylindr. fuse link 3 A, 600 V AC, time delay, Class CC

Wöhner 31397 Class CC time-delay cylindrical fuse link rated at 3 A and 600 V AC with a 200 kA short-circuit current rating for industrial control transformer and circuit protection.

SKU: 31397Alt SKU: 31397000MPN: 31397000
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Why Choose the Wöhner 31397 Class CC Fuse Link?

The Wöhner 31397 is a premium Class CC time-delay cylindrical fuse link designed to provide dependable overcurrent and short-circuit protection for industrial control transformer circuits and other critical electrical applications. Manufactured by Wöhner, this fuse complies with UL 248-4 requirements and is ideal for use in industrial control panels, switchgear and OEM machinery.

With a 3 A rated current, 600 V AC operating voltage and a time-delay characteristic, the Wöhner 31397 is engineered to withstand temporary transformer and motor inrush currents while providing reliable protection against sustained overloads and short-circuit faults. Its compact design makes it ideal for modern industrial automation systems.

Manufactured with a durable porcelain body, the fuse delivers excellent thermal stability, high breaking capacity and long service life. The compact Class CC 10 × 38 mm format allows easy installation into compatible fuse holders while maintaining high levels of electrical safety and reliability.

Key Advantages

  • Compact Class CC time-delay fuse link for industrial control applications.
  • 3 A rated current for reliable transformer and control circuit protection.
  • 600 V AC rated voltage suitable for industrial electrical systems.
  • Time-delay characteristic minimises nuisance operation during equipment start-up.
  • 200 kA short-circuit current rating provides exceptional fault protection.
  • Robust porcelain construction ensures dependable long-term performance.

Key Features

  • Wöhner Class CC cylindrical fuse link.
  • 3 A rated current.
  • 600 V AC rated voltage.
  • Class CC 10 × 38 mm fuse size.
  • Time-delay operating characteristic.
  • Designed for control transformer protection.
  • 200 kA SCCR.
  • Manufactured in accordance with UL 248-4.

Reliable Protection for Industrial Control Circuits

The Wöhner 31397 is specifically developed for protecting control transformers, industrial control equipment and sensitive electrical circuits. Its time-delay characteristic permits normal transformer energisation and temporary inrush currents without unnecessary fuse operation while still providing dependable protection against prolonged overloads and fault conditions.

Its compact Class CC format, high interrupting capacity and compliance with recognised UL standards make it a dependable choice for industrial automation, machinery and OEM electrical equipment requiring reliable circuit protection.

Typical Applications

  • Industrial control transformer protection.
  • Machine control panels.
  • Industrial automation systems.
  • OEM machinery.
  • Motor control equipment.
  • Electrical distribution systems.

Technical Specifications

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Current 3 A
Manufacturer Wöhner
Model 31397
Product type Class CC cylindrical fuse link
Rated current 3 A
Rated voltage 600 V AC
Rated frequency 50 / 60 Hz
Fuse size Class CC, 10 × 38 mm
Operating characteristic Time delay
Short-circuit current rating 200 kA
Primary application Control transformer protection
Standards UL 248-1, UL 248-4
Body material Porcelain
Halogen-free Yes
Dimensions (W × H × D) 10 × 10 × 38 mm
Approximate weight 8 g
Pack quantity 10

Frequently Asked Questions

What is the Wöhner 31397 used for?

It is primarily used to protect industrial control transformers and electrical circuits against overloads and short-circuit faults.

What is the current rating of this fuse?

The Wöhner 31397 has a rated current of 3 A.

What voltage is this fuse designed for?

This fuse is designed for operation on systems up to 600 V AC.

Why does this fuse use a time-delay characteristic?

The time-delay design allows temporary inrush currents during transformer energisation while maintaining reliable protection against sustained overloads and short-circuit faults.

What fuse holder is required?

The Wöhner 31397 is a Class CC 10 × 38 mm fuse link and should be installed in a compatible Class CC fuse holder with the appropriate electrical ratings.

Trusted for Industrial Circuit Protection

Wöhner Class CC fuse links are trusted by panel builders, OEM manufacturers and industrial maintenance engineers for delivering reliable circuit protection, high interrupting capacity and dependable long-term performance.