31544 Wohner cylindr. fuse link 10 A

31544 Wohner cylindr. fuse link 10 A

Wöhner 31544 10 × 38 mm cylindrical gPV fuse link rated at 10 A and 1000 V DC for photovoltaic system protection.

SKU: 31544Alt SKU: 31544000MPN: 31544000
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Why Choose the Wöhner 31544 Cylindrical Fuse Link?

The Wöhner 31544 is a high-performance 10 × 38 mm gPV cylindrical fuse link designed to provide dependable overcurrent protection for photovoltaic (PV) systems. Specifically engineered for DC solar applications, this fuse protects photovoltaic strings and associated equipment from overloads and short-circuit faults, helping maximise system safety and reliability.

Manufactured in accordance with IEC 60269-1 and IEC 60269-6, the Wöhner 31544 delivers reliable protection for modern solar installations. Its compact cylindrical design allows straightforward installation into compatible 10 × 38 mm fuse holders used in combiner boxes, inverters and DC distribution systems.

With a 10 A rated current, 1000 V DC voltage rating and a 30 kA breaking capacity, the Wöhner 31544 provides excellent protection for photovoltaic circuits operating under demanding environmental conditions.

Key Advantages

  • Designed specifically for photovoltaic (gPV) applications.
  • 10 A rated current for PV string protection.
  • 1000 V DC voltage rating suitable for modern solar systems.
  • 30 kA DC breaking capacity for dependable fault interruption.
  • Compatible with standard 10 × 38 mm fuse holders.
  • Manufactured to recognised IEC standards for reliable long-term performance.

Key Features

  • Wöhner cylindrical fuse link.
  • gPV operating class for photovoltaic protection.
  • 10 A rated current.
  • 1000 V DC rated voltage.
  • 30 kA breaking capacity.
  • 10 × 38 mm cylindrical construction.
  • Porcelain body with halogen-free materials.
  • Suitable for PV strings, combiner boxes and DC distribution circuits.

Reliable Protection for Photovoltaic Systems

Photovoltaic fuse links are specially designed to safely interrupt DC fault currents generated within solar power installations. Unlike standard AC fuses, gPV fuse links provide protection across the full operating range of photovoltaic systems, ensuring effective safeguarding of solar modules, inverters and associated electrical equipment.

The Wöhner 31544 delivers fast and reliable overcurrent protection that helps improve the safety, performance and longevity of commercial and industrial solar power systems.

Typical Applications

  • Solar photovoltaic string protection.
  • PV combiner boxes.
  • DC distribution systems.
  • Renewable energy installations.
  • Commercial and industrial solar arrays.
  • Battery energy storage DC protection.

Technical Specifications

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Current 10 A
Manufacturer Wöhner
Model 31544
Product type Cylindrical gPV fuse link
Rated current 10 A
Rated voltage 1000 V DC
Fuse class gPV
Breaking capacity 30 kA DC
Fuse size 10 × 38 mm
Standards IEC 60269-1, IEC 60269-6
Material Porcelain
Halogen free Yes
Power dissipation 2.0 W (full load)
Approximate dimensions (W × H × D) 10 × 10 × 38 mm

Frequently Asked Questions

What is the Wöhner 31544 used for?

The Wöhner 31544 protects photovoltaic DC circuits against overloads and short-circuit faults.

What is the rated voltage?

The fuse is rated for operation up to 1000 V DC.

What current rating does this fuse have?

This model has a 10 A rated current.

What size fuse is the Wöhner 31544?

It is a standard 10 × 38 mm cylindrical fuse link.

Is this fuse suitable for solar installations?

Yes. It is a gPV fuse specifically designed for photovoltaic systems and DC solar applications.

Trusted for Photovoltaic Protection

Wöhner gPV fuse links are widely trusted by electrical contractors and renewable energy professionals for providing dependable protection in modern photovoltaic installations.