MERSEN FUSE 6 URD 32 TT F 1100 M300759

MERSEN FUSE 6 URD 32 TT F 1100 M300759

High-speed Protistor® fuse with striker flush ends and metric threads, designed for semiconductor protection at 1100A, 600VAC IEC, 650VAC UL.

SKU: M300759Alt SKU: PC32UD60V1100TFMPN: M300759
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List Price £254.83 ex VAT
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Why Choose the Mersen M300759 High Speed Semiconductor Fuse?

The Mersen M300759, catalogue number PC32UD60V1100TF, is a premium Protistor® square body high speed semiconductor fuse designed to provide ultra-fast protection for modern power electronic equipment. Engineered specifically for semiconductor applications, it safeguards IGBTs, thyristors, diodes and other sensitive semiconductor devices against damaging short circuit faults in demanding industrial environments.

Featuring a 1100 A current rating, 600 V AC IEC / 650 V AC UL voltage rating and an aR operating class, the M300759 delivers rapid fault interruption while minimising let-through energy. Its robust square body construction and high breaking capacity make it ideal for industrial drives, power converters and automation equipment.

The fuse incorporates a Size 32 square body design with flush end metric threaded terminals and an integrated striker indicator, allowing straightforward installation into compatible fuse holders and remote monitoring systems used throughout industrial electrical installations.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse.
  • 1100 A rated current for demanding industrial applications.
  • 600 V AC IEC / 650 V AC UL voltage rating.
  • Protects IGBTs, thyristors, diodes and other semiconductor devices.
  • Low let-through energy helps minimise equipment damage.
  • Integrated striker for remote indication.
  • High interrupting capacity for dependable fault protection.

Key Features

  • Mersen Protistor® semiconductor fuse.
  • Manufacturer part number: M300759.
  • Catalogue number: PC32UD60V1100TF.
  • 1100 A rated current.
  • 600 V AC IEC / 650 V AC UL.
  • aR operating class.
  • Size 32 square body construction.
  • Flush end metric threaded terminals.
  • Integrated striker indicator.
  • Silver-plated contact surfaces for reliable electrical performance.

Reliable Protection for Industrial Power Electronics

High speed semiconductor fuses are engineered to interrupt fault currents before they can damage expensive semiconductor devices. Their ultra-fast characteristics reduce thermal stress, improve equipment reliability and minimise costly downtime across industrial power systems.

The Mersen M300759 is widely specified for industrial automation, power converters, motor drives and other applications where dependable semiconductor protection is essential for safe and efficient operation.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial motor drives.
  • Power converters and rectifiers.
  • UPS systems.
  • Renewable energy inverters.
  • Industrial automation equipment.
  • OEM electrical control panels.

Technical Specifications

Item number M300759
Catalogue No PC32UD60V1100TF
Description Square Body High-Speed Fuse Protistor® Size 32 aR 600VAC IEC 650VAC UL 1100A With Striker Flush ends metric threads
EAN/UPC Code 3605340333114
Rated voltage AC UL 650 V
Rated voltage AC IEC 600 V
Ampere Rating 1100 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 32
Mounting Bolted
Clearing I2t At Rated Voltage 1450 kA²s
Melting I2t 270 kA²s
AC Max I.R./Breaking Capacity I1: 200 kA
Design Details Reinforced Terminal
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Brass
Connection/Terminal Type Flush ends
Product Width 59 mm
Product Length 50.6 mm
Product Height 65 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 1.6389 kg
Sell Pack Width 85 mm
Sell Pack Length 195 mm
Sell Pack Height 75 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.5463 kg
Power Dissipation at Rated Current Value 140 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class aR
Voltage 600 V

Frequently Asked Questions

What is the Mersen M300759 used for?

The M300759 is an ultra-fast semiconductor fuse designed to protect IGBTs, thyristors, diodes and other semiconductor devices against damaging short circuit faults.

What is the current rating of this fuse?

The fuse has a 1100 A rated current.

What voltage is the M300759 rated for?

The fuse is rated for 600 V AC (IEC) and 650 V AC (UL) applications.

What does the aR operating class mean?

The aR operating class provides ultra-fast short circuit protection specifically for semiconductor devices while overload protection is provided elsewhere within the electrical installation.

Where is this fuse typically installed?

The M300759 is commonly installed in industrial drives, power converters, UPS systems, renewable energy equipment and OEM electrical panels.

Trusted for Industrial Semiconductor Protection

Mersen Protistor® semiconductor fuses are trusted worldwide by electrical engineers, OEM manufacturers and panel builders to provide dependable protection for critical industrial power electronic equipment.

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