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MERSEN FUSE 6,900 CP GR 22.58 0125 FR22GR69V125

MERSEN FUSE 6,900 CP GR 22.58 0125 FR22GR69V125

This high-speed cylindrical fuse delivers robust circuit protection for demanding industrial and power distribution applications, ensuring rapid fault response and minimising equipment downtime. Rated at 125A with a 690 V AC rating and a breaking capacity of 160 kA.

SKU: FR22GR69V125Alt SKU: FR22GR69V125MPN: G1018561
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List Price £26.02 ex VAT
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Why Choose the Mersen FR22GR69V125 Protistor® High-Speed Fuse?

The Mersen FR22GR69V125 is a premium Protistor® high-speed semiconductor protection fuse designed to provide rapid, full-range protection for sensitive power electronic equipment. Manufactured in accordance with IEC 60269-1 and IEC 60269-4, this cylindrical gR class fuse offers reliable protection against both overloads and short circuits, helping to safeguard costly semiconductor devices while reducing equipment downtime.

As part of the trusted Mersen Protistor® 22 × 58 mm gR series, the FR22GR69V125 is designed for protecting IGBTs, thyristors, diodes and rectifiers used in variable speed drives, UPS systems, industrial inverters and power conversion equipment. Its compact cylindrical design enables simple installation into compatible fuse holders while delivering exceptional fault interruption performance.

With a 125 A current rating, a 690 V AC IEC / 700 V AC UL voltage rating and a 160 kA breaking capacity, the FR22GR69V125 provides dependable semiconductor protection in demanding industrial environments.

Key Advantages

  • High-speed gR full-range semiconductor protection fuse.
  • 125 A rated current for industrial power electronics.
  • 690 V AC IEC / 700 V AC UL rated voltage.
  • Protects semiconductor devices against both overload and short-circuit faults.
  • 160 kA breaking capacity for outstanding fault interruption.
  • Compact 22 × 58 mm cylindrical design for easy installation.

Key Features

  • Mersen Protistor® semiconductor protection fuse.
  • Model: FR22GR69V125.
  • Rated current: 125 A.
  • Rated voltage: 690 V AC IEC / 700 V AC UL.
  • gR full-range operating characteristic.
  • 22 × 58 mm cylindrical fuse.
  • Current limiting construction.
  • Low let-through energy for semiconductor protection.
  • RoHS compliant.

Reliable Full-Range Semiconductor Protection

Full-range gR semiconductor fuses are specifically designed to protect sensitive power electronic components from both overloads and short-circuit faults. Their fast operating characteristics reduce thermal stress and let-through energy, helping maximise equipment reliability while lowering maintenance costs.

The Mersen Protistor® range is widely specified for industrial automation, renewable energy systems, motor drives and UPS installations where dependable semiconductor protection is essential.

Typical Applications

  • Variable speed drives.
  • Industrial inverters.
  • UPS systems.
  • Motor drives.
  • Power converters.
  • Semiconductor power supplies.
  • Industrial automation equipment.
  • Renewable energy systems.

Technical Specifications

Item number G1018561
Catalogue No FR22GR69V125
Description High-Speed Cylindrical Fuse Protistor® Size 22x58 gR 690VAC IEC 125A
EAN/UPC Code 3605340513783
Rated voltage AC IEC 690 V
Ampere Rating 125 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gR
Fuse Size 22x58
Mounting Clip
Clearing I2t At Rated Voltage 16800 A²s
Melting I2t 3360 A²s
AC Max I.R./Breaking Capacity I1: 160 kA
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Ferrule
Product Diameter 22.2 mm
Product Length 58 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.6 kg
Sell Pack Width 111 mm
Sell Pack Length 117 mm
Sell Pack Height 23 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.06 kg
Power Dissipation at Rated Current Value 22.8 W
HS Code 85361090
Country of Manufacture Tunisia
Fuse Type Semiconductor
Fuse Size 22x58 mm
Fuse Class gR
Voltage 690 V

Frequently Asked Questions

What is the Mersen FR22GR69V125 used for?

It is a high-speed semiconductor fuse designed to provide full-range protection for power electronic devices including IGBTs, thyristors, rectifiers and inverter circuits.

What is the current rating of this fuse?

The FR22GR69V125 has a rated current of 125 A.

What voltage is this fuse rated for?

The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).

What does the gR fuse characteristic mean?

The gR characteristic provides full-range protection against both overload and short-circuit faults for semiconductor devices.

Where is this fuse commonly installed?

It is commonly installed in variable speed drives, UPS systems, industrial inverters, power converters and semiconductor protection circuits.

Trusted for Semiconductor Protection Worldwide

Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and automation engineers worldwide for their exceptional fault interruption performance, low let-through energy and reliable protection of critical power electronic equipment.

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