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MERSEN FUSE CC1500 CP GRB 20 127 0,8 CC1500CPGRB20.127/0.8

MERSEN FUSE CC1500 CP GRB 20 127 0,8 CC1500CPGRB20.127/0.8

Mersen J081842 Protistor high-speed semiconductor protection fuse with a 0.8 A current rating, 1500 V DC rating and 30 kA breaking capacity for photovoltaic and industrial DC applications.

SKU: J081842Alt SKU: CC1500CPGRB20.127/0.8MPN: J081842
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List Price £85.59 ex VAT
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Why Choose the Mersen J081842 High-Speed DC Fuse?

The Mersen J081842 is a Protistor® high-speed semiconductor protection fuse designed to provide rapid and reliable protection for DC power systems operating up to 1500 V DC. Engineered specifically for safeguarding sensitive power electronic devices, this fuse delivers exceptional current-limiting performance to minimise damage caused by short circuits and fault currents.

As part of the trusted Mersen Protistor® 20 x 127 mm gRB series, the J081842 offers dependable full-range semiconductor protection for photovoltaic systems, battery energy storage installations, industrial converters and other high-performance DC applications. Its ceramic body and silver-plated ferrule terminals provide excellent mechanical strength and long-term reliability.

Featuring a 0.8 A current rating, 1500 V DC voltage rating and 30 kA breaking capacity, the Mersen J081842 is ideally suited for protecting low-current semiconductor circuits in demanding industrial and renewable energy environments.

Key Advantages

  • Designed specifically for high-speed semiconductor protection.
  • 1500 V DC voltage rating for modern DC power systems.
  • 0.8 A current rating for precision protection applications.
  • gRB full-range protection against overloads and short circuits.
  • Excellent current-limiting performance reduces equipment damage.
  • Compact 20 x 127 mm cylindrical design.
  • Suitable for renewable energy, industrial automation and DC power distribution.

Key Features

  • Manufacturer: Mersen.
  • Series: Protistor® 20 x 127 gRB.
  • Model: J081842.
  • Catalogue number: FD20GB150V0,8.
  • Current rating: 0.8 A.
  • Rated voltage: 1500 V DC.
  • 30 kA DC breaking capacity.
  • gRB semiconductor protection characteristic.
  • Cylindrical ceramic fuse body.
  • Silver-plated ferrule terminals.
  • Clip mounting.
  • RoHS compliant.

Reliable Protection for Sensitive Power Electronics

High-speed semiconductor fuses are designed to interrupt fault currents before expensive power electronic components such as IGBTs, thyristors, diodes and inverters can be damaged. Their exceptionally fast operation helps improve equipment reliability while reducing repair costs and system downtime.

The Mersen Protistor® range is trusted worldwide in renewable energy systems, battery storage, industrial automation and DC power conversion applications where dependable semiconductor protection is essential.

Typical Applications

  • Photovoltaic (PV) systems.
  • Battery energy storage systems.
  • Industrial DC distribution.
  • Power converters and inverters.
  • Semiconductor protection.
  • Rectifiers and DC drives.
  • Automation control equipment.
  • Renewable energy installations.

Technical Specifications

Manufacturer Mersen
Series Protistor® 20 x 127 gRB
Model J081842
Catalogue number FD20GB150V0,8
Product type High-speed semiconductor protection fuse
Current rating 0.8 A
Rated voltage 1500 V DC
Fuse characteristic gRB
Breaking capacity 30 kA DC
Fuse size 20 x 127 mm
Body material Ceramic
Terminal type Silver-plated ferrules
Mounting Clip mounted
Power dissipation 0.9 W at rated current
Weight Approx. 97 g
RoHS compliant Yes
Device Type Fuse link
Fuse Type Semiconductor
Fuse Size 20x127 mm
Voltage 1500 V

Frequently Asked Questions

What is the Mersen J081842 used for?

It is designed to protect sensitive semiconductor devices and DC power electronics from overloads and short circuits.

What voltage is the J081842 rated for?

The fuse is rated for 1500 V DC.

What current rating does this fuse provide?

The Mersen J081842 has a rated current of 0.8 A.

What type of protection does the fuse provide?

It provides high-speed gRB semiconductor protection with excellent current-limiting performance.

Where is this fuse typically installed?

It is commonly used in photovoltaic equipment, battery storage systems, industrial converters and semiconductor protection circuits.

Trusted by Renewable Energy and Industrial Engineers Worldwide

Mersen Protistor® semiconductor fuses are trusted globally for protecting high-value power electronics, renewable energy installations and industrial DC systems where dependable high-speed fault protection is critical.

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