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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.
£7.71
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
Tick the specs you need, then view products that match.
| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x27 mm | |
| Fuse Class | aR | |
| Voltage | 250 V | |
| 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 |
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.
