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MERSEN FUSE 6,921 CP GR 14.51 0032 FR14GR69V32T

MERSEN FUSE 6,921 CP GR 14.51 0032 FR14GR69V32T

High-speed cylindrical fuse designed for semiconductor protection with 690VAC rating, 32A current, and built-in striker indication system.

SKU: FR14GR69V32TAlt SKU: FR14GR69V32TMPN: Q1017189
Price
List Price £15.60 ex VAT
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£15.60
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Sold in packs of 10

£15.60

Why Choose the Mersen FR14GR69V32T High-Speed Semiconductor Fuse?

The Mersen FR14GR69V32T is a high-performance Protistor® high-speed cylindrical semiconductor fuse designed to provide complete protection for power semiconductor devices in demanding industrial applications. Engineered to comply with IEC 60269-1 and IEC 60269-4, this fuse delivers rapid fault interruption to protect sensitive electronic components from damaging overloads and short circuits.

Part of the trusted Mersen Protistor® 14 × 51 mm gR series, the FR14GR69V32T features a striker indicator for remote indication and monitoring. Its current-limiting characteristics significantly reduce fault energy, helping to maximise equipment reliability while reducing maintenance costs and unplanned downtime.

With a 32 A current rating, 690 V AC rated voltage and compact 14 × 51 mm cylindrical body, the FR14GR69V32T is ideally suited for protecting industrial inverters, UPS systems, variable speed drives, power converters and other semiconductor-based equipment.

Key Advantages

  • High-speed gR semiconductor fuse providing full-range protection.
  • 32 A rated current for industrial semiconductor applications.
  • 690 V AC rated voltage for demanding electrical systems.
  • Integrated striker indicator for fuse status indication.
  • Current-limiting design reduces fault energy reaching protected equipment.
  • Compact 14 × 51 mm cylindrical construction for easy installation.

Key Features

  • Mersen Protistor® semiconductor fuse series.
  • Model: FR14GR69V32T.
  • Rated current: 32 A.
  • Rated voltage: 690 V AC.
  • gR full-range semiconductor protection.
  • Integrated striker indicator.
  • 14 × 51 mm cylindrical fuse.
  • Manufactured in accordance with IEC 60269-1 and IEC 60269-4.

Reliable Protection for Power Semiconductor Equipment

High-speed semiconductor fuses are specifically designed to protect sensitive power electronic components such as IGBTs, SCRs, diodes and rectifiers. Their extremely fast operating characteristics minimise let-through energy, reducing the likelihood of catastrophic semiconductor failure and helping to improve equipment reliability.

The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, motor control and power conversion systems where dependable semiconductor protection is essential for safe and efficient operation.

Typical Applications

  • Variable speed drives.
  • Industrial inverters.
  • UPS systems.
  • Power converters.
  • Motor control equipment.
  • Industrial automation systems.

Technical Specifications

Item number Q1017189
Catalogue No FR14GR69V32T
Description High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 32A With Striker
EAN/UPC Code 3605340506846
Rated voltage AC IEC 690 V
Ampere Rating 32 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gR
Fuse Size 14x51
Mounting Clip
Clearing I2t At Rated Voltage 700 A²s
Melting I2t 96.7 A²s
AC Max I.R./Breaking Capacity I1: 160 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Ferrule
Product Diameter 14.3 mm
Product Length 51 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.2 kg
Sell Pack Width 75 mm
Sell Pack Length 104 mm
Sell Pack Height 16 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.02 kg
Power Dissipation at Rated Current Value 6.9 W
HS Code 85361050
Country of Manufacture Tunisia
Fuse Type Semiconductor
Fuse Size 14x51 mm
Fuse Class gR
Voltage 690 V

Frequently Asked Questions

What is the Mersen FR14GR69V32T used for?

It provides full-range high-speed protection for semiconductor devices used in industrial power electronic equipment.

What is the current rating of this fuse?

The Mersen FR14GR69V32T has a 32 A rated current.

What does the integrated striker do?

The striker provides a mechanical indication when the fuse operates and can be used with compatible fuse holders or monitoring systems.

What voltage is this fuse rated for?

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

Where is the FR14GR69V32T commonly installed?

It is commonly installed in variable speed drives, industrial inverters, UPS systems, converters and other equipment containing power semiconductors.

Trusted for Industrial Semiconductor Protection

Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers for delivering reliable protection of critical power electronic equipment.

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