MERSEN FUSE 2,5 URGS 17/80 2,5URGS17/80

MERSEN FUSE 2,5 URGS 17/80 2,5URGS17/80

High-speed aR characteristic fuse-link for semiconductor protection, rated 80A at 250V AC, compliant with British Standard 17×27 dimensions and UL certified.

SKU: Z085559Alt SKU: BS17US25V80MPN: Z085559
Price
List Price £14.02 ex VAT
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Sold in packs of 10

£14.02

Why Choose the Mersen Z085559 Protistor® High Speed Semiconductor Fuse?

The Mersen Z085559 is a genuine Protistor® high speed semiconductor fuse designed for rapid fault-current interruption in compatible industrial power electronic equipment. Identified by the manufacturer reference Z085559, it is intended for applications where sensitive semiconductor components require faster protection than conventional industrial fuses can provide.

Mersen Protistor® fuse links are commonly used to protect IGBTs, thyristors, diodes, rectifiers and other power semiconductor devices installed in converters, variable speed drives, UPS systems and industrial control equipment. Their current-limiting performance helps reduce the thermal and electrical energy passed into valuable components during a short circuit.

Publicly available technical information for the exact Z085559 reference is limited. Its rated current, voltage, operating class, breaking capacity, dimensions and terminal arrangement should therefore be confirmed from the fuse marking, original equipment documentation or official Mersen technical data before ordering or installation.

Key Advantages

  • Genuine Mersen Protistor® semiconductor protection fuse.
  • Z085559 manufacturer reference supports accurate replacement identification.
  • Fast fault interruption for sensitive power semiconductor devices.
  • Low let-through energy helps limit damage during short circuits.
  • Suitable for maintenance and replacement in compatible power electronic equipment.
  • Manufactured by an established specialist in high speed fuse technology.

Key Features

  • Manufacturer: Mersen.
  • Series: Protistor®.
  • Model: Z085559.
  • High speed semiconductor fuse link.
  • Designed for rapid short-circuit protection.
  • Suitable for compatible industrial converters and drives.
  • Electrical ratings must match the original fuse specification.
  • Physical dimensions and terminal configuration should be verified before ordering.

Fast Protection for Industrial Power Electronics

Power semiconductor devices can be damaged by fault energy within a very short period. High speed fuses use specially engineered elements to clear short circuits rapidly, helping limit peak current and the total energy transferred into protected components.

The Mersen Z085559 should only be replaced with a fuse that matches the complete original specification. The part number, rated current, voltage, operating characteristic, pre-arcing I²t, total clearing I²t, breaking capacity, dimensions and connection arrangement must all be suitable for the equipment.

Typical Applications

  • Variable speed and variable frequency drives.
  • Industrial power converters and rectifiers.
  • UPS and battery power systems.
  • Renewable energy inverters.
  • IGBT, diode and thyristor protection.
  • Industrial automation and control panels.
  • Replacement of an existing component marked Z085559.

Technical Specifications

Item number Z085559
Catalogue No BS17US25V80
Description British Standard fuse-link Protistor® 17x27 aR 250V AC UL 80A
EAN/UPC Code 3605340070323
Rated voltage AC UL 250 V
Rated voltage DC UL 250 V
Rated voltage AC IEC 250 V
Ampere Rating 80 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic aR
Fuse Size 17x27
Mounting Bolted
Clearing I2t At Rated Voltage 2530 A²s
Melting I2t 480 A²s
Connection/Terminal Material Copper
Connection/Terminal Type L Brackets
Product Diameter 18.5 mm
Product Length 54.4 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.276 kg
Sell Pack Width 68 mm
Sell Pack Length 188 mm
Sell Pack Height 24 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.0276 kg
Power Dissipation at Rated Current Value 13.7 W
HS Code 85361090
Country of Manufacture India
Fuse Type Semiconductor
Fuse Size 17x27 mm
Fuse Class aR
Voltage 250 V

Frequently Asked Questions

What is the Mersen Z085559 used for?

The Z085559 is a high speed fuse intended to protect compatible power semiconductor equipment against damaging short-circuit currents.

How can I confirm that Z085559 is the correct replacement?

Compare the complete manufacturer reference and all electrical markings with the existing fuse, equipment manual, bill of materials or official Mersen technical documentation.

Can I replace it with a standard industrial fuse?

No. Standard fuses may not operate quickly enough to protect sensitive semiconductor devices. The replacement must have the correct high speed characteristic and matching electrical ratings.

Which specifications must be checked before installation?

Check the current and voltage ratings, operating class, breaking capacity, I²t values, dimensions, terminal arrangement and compatibility with the installed fuse holder.

Who should install the Mersen Z085559?

The fuse should be installed by a suitably qualified electrical professional after the equipment has been safely isolated and the complete replacement specification has been verified.

Trusted Semiconductor Circuit Protection

Mersen Protistor® fuse links are used in industrial power electronic systems where rapid fault interruption, accurate fuse selection and reliable semiconductor protection are essential.

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