31229 Wohner cylindr. fuse link 100 A

31229 Wohner cylindr. fuse link 100 A

Wöhner 31229 cylindrical fuse link rated at 100 A and 690 V AC with gR operating class for semiconductor protection in industrial power distribution and automation systems.

SKU: 31229Alt SKU: 31229000MPN: 31229000
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Why Choose the Wöhner 31229 Cylindrical Fuse Link?

The Wöhner 31229 is a high-performance 22 × 58 mm cylindrical fuse link engineered to provide dependable short-circuit protection for semiconductor devices and sensitive industrial electrical equipment. Rated at 100 A and 690 V AC, this gR class fuse is designed for fast fault clearance in demanding industrial power distribution and automation systems.

Manufactured by Wöhner, a trusted name in electrical power distribution technology, the 31229 fuse link complies with IEC standards and offers reliable protection for variable speed drives, inverters, rectifiers and other power electronic equipment. Its durable porcelain body provides excellent performance in challenging industrial environments.

Featuring a 22 × 58 mm cylindrical format, a 100 A current rating and a 200 kA breaking capacity, the Wöhner 31229 is ideally suited for switchgear assemblies, control panels and industrial automation systems where reliable semiconductor protection is essential.

Key Advantages

  • Designed specifically for semiconductor protection (gR operating class).
  • 100 A rated current for demanding industrial applications.
  • 690 V AC rated voltage suitable for modern power systems.
  • 200 kA breaking capacity for outstanding fault protection.
  • Compact 22 × 58 mm cylindrical design for standard fuse holders.
  • Manufactured to IEC standards for dependable long-term performance.

Key Features

  • Wöhner cylindrical fuse link.
  • 100 A rated current.
  • 690 V AC rated voltage.
  • gR operating class for semiconductor protection.
  • 22 × 58 mm fuse size.
  • 200 kA AC breaking capacity.
  • Porcelain body construction.
  • Halogen-free materials.

Reliable Protection for Semiconductor Equipment

Semiconductor fuse links are specifically designed to protect sensitive power electronic devices against damaging short circuits. Their extremely fast operating characteristics minimise fault energy, helping to safeguard expensive components while reducing equipment downtime.

The Wöhner 31229 is ideal for protecting industrial drives, converters, UPS systems, rectifiers and other equipment where rapid fault interruption is critical for maintaining system reliability and extending component life.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial motor drives.
  • Power converters and rectifiers.
  • UPS and power supply systems.
  • Industrial switchgear and distribution panels.
  • Automation and control equipment.

Technical Specifications

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Current 100 A
Manufacturer Wöhner
Model 31229
Part number 31229 000
Product type Cylindrical fuse link
Operating class gR
Rated current 100 A
Rated voltage 690 V AC
Fuse size 22 × 58 mm
Breaking capacity 200 kA AC
Frequency 50 / 60 Hz
Body material Porcelain
Halogen free Yes
Dimensions (W × H × D) 22 × 22 × 58 mm
Approximate weight 50 g

Frequently Asked Questions

What is the Wöhner 31229 used for?

The Wöhner 31229 provides fast short-circuit protection for semiconductor devices and industrial power electronic equipment.

What is the current rating of this fuse?

This cylindrical fuse link has a rated current of 100 A.

What voltage is the Wöhner 31229 rated for?

The fuse is designed for use on systems up to 690 V AC.

What does the gR operating class mean?

The gR classification indicates full-range semiconductor protection, providing rapid interruption of overloads and short circuits.

What fuse size is the Wöhner 31229?

The Wöhner 31229 is manufactured in the standard 22 × 58 mm cylindrical format for compatible industrial fuse holders.

Trusted for Industrial Power Distribution

Wöhner fuse links are widely trusted by panel builders, OEMs and industrial engineers for delivering reliable semiconductor protection, excellent fault interruption capability and dependable long-term performance.