MERSEN FUSE 12,5 URD 70 EF 0080 12,5URD70EF0080

MERSEN FUSE 12,5 URD 70 EF 0080 12,5URD70EF0080

High-speed aR-class fuse designed for semiconductor protection with open slot blades and striker indication system. Rated 80A at 1250VAC IEC and 1300VAC UL with bolted mounting.

SKU: Q300601Alt SKU: PC70UD13C80EFMPN: Q300601
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List Price £123.42 ex VAT
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Sold in packs of 3

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Why Choose the Mersen Q300601 Protistor® High-Speed Fuse?

The Mersen Q300601 (PC70UD13C80EF) is a premium square body semiconductor protection fuse engineered to provide ultra-fast protection for sensitive power electronic equipment. Part of the proven Mersen Protistor® Size 70 series, this aR high-speed fuse is designed to protect diodes, thyristors, GTOs and IGBTs used in industrial power conversion systems.

Designed for demanding industrial applications, the Q300601 delivers outstanding current limitation and low let-through energy to minimise damage during short-circuit faults. Its solid ceramic body, silver-plated contacts and integrated striker indicator ensure dependable performance and long service life in mission-critical electrical installations.

With a rated current of 80 A and a 1250 V AC IEC / 1300 V AC UL voltage rating, the Mersen Q300601 is ideally suited for protecting industrial drives, UPS systems, renewable energy equipment, power converters and other semiconductor-based applications.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse.
  • 80 A current rating for industrial power electronics.
  • 1250 V AC IEC / 1300 V AC UL voltage rating.
  • Protects IGBTs, thyristors, diodes and GTO semiconductor devices.
  • Low I²t design helps reduce equipment damage during faults.
  • Integrated striker indicator simplifies maintenance and monitoring.

Key Features

  • Mersen Protistor® Size 70 series.
  • Catalogue number: PC70UD13C80EF.
  • 80 A rated current.
  • 1250 V AC (IEC) / 1300 V AC (UL).
  • Ultra-fast aR operating characteristic.
  • Open slot blade terminal connections (EF style).
  • Silver-plated contact surfaces.
  • Ceramic square body with integrated striker indicator.

Reliable Protection for Power Electronics

High-speed semiconductor fuses are specifically engineered to interrupt fault currents before sensitive electronic components can be damaged. Their ultra-fast response and low let-through energy provide significantly greater protection than conventional industrial fuses, helping to maximise equipment reliability and minimise downtime.

The Protistor® range is trusted worldwide for industrial automation, variable speed drives, UPS systems, renewable energy installations and power conversion equipment where reliable semiconductor protection is essential.

Typical Applications

  • Variable speed drives (VSDs).
  • Industrial motor drives.
  • Power converters and inverters.
  • UPS and backup power systems.
  • Renewable energy equipment.
  • Protection of IGBTs, thyristors, GTOs and semiconductor devices.

Technical Specifications

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Fuse Indication Striker
Fuse Type Semiconductor
Fuse Class aR
Voltage 1250 V
Item number Q300601
Catalogue No PC70UD13C80EF
Description Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 80A With Striker Open Slot Blades
EAN/UPC Code 3605340330861
Rated voltage AC UL 1300 V
Rated voltage AC IEC 1250 V
Ampere Rating 80 A
AC or DC AC
Speed/Characteristic aR
Fuse Size 70
Mounting Bolted
Clearing I2t At Rated Voltage 3780 A²s
Melting I2t 470 A²s
AC Max I.R./Breaking Capacity I1: 126 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type Open Slot Blades
Product Width 39.8 mm
Product Length 123.4 mm
Product Height 49.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 1.074 kg
Sell Pack Width 127 mm
Sell Pack Length 137 mm
Sell Pack Height 65 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.358 kg
Power Dissipation at Rated Current Value 27 W
HS Code 85351000

Frequently Asked Questions

What is the Mersen Q300601 used for?

It is an ultra-fast semiconductor protection fuse designed to protect IGBTs, thyristors, GTOs, diodes and other sensitive power electronic components.

What current rating does this fuse have?

The Mersen Q300601 has a rated current of 80 A.

What voltage is the Q300601 rated for?

The fuse is rated for 1250 V AC (IEC) and 1300 V AC (UL).

What does the aR operating characteristic mean?

The aR characteristic provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating currents.

Which applications commonly use this fuse?

It is widely used in industrial drives, power converters, UPS systems, renewable energy equipment and other semiconductor-based electrical systems.

Trusted for Industrial Semiconductor Protection

Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide to provide dependable protection for high-value power electronic equipment.