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The Protistor® 17×27 aR fuse-link is engineered for reliable protection of semiconductor devices in demanding industrial environments. With a compact 17x27mm design and 100A current rating, it ensures safe and efficient circuit protection at voltages up to 250V AC.
£10.49
The Mersen Y085558 is a premium Protistor® BS88-4 high speed semiconductor fuse engineered to provide rapid and reliable protection for power semiconductors and industrial electronic equipment. Manufactured by Mersen, this fuse is designed to safeguard IGBTs, thyristors, diodes, converters and other sensitive power electronic devices from damaging short circuits and overcurrent conditions.
Part of the trusted Protistor® BS88-4 17 × 27 mm fuse range, the Y085558 features an aR operating characteristic, making it ideal for short circuit protection of semiconductor devices. Its compact design, high breaking capacity and low let-through energy help improve equipment reliability while minimising downtime in demanding industrial applications.
With a 100 A current rating and 250 V AC IEC/UL voltage rating, the Mersen Y085558 is ideally suited for industrial drives, power converters, UPS systems and automation equipment requiring dependable semiconductor protection.
High speed semiconductor fuses are designed to clear fault currents before excessive thermal energy can damage expensive power electronic components. The Mersen Y085558 provides rapid interruption with low let-through energy, helping extend the operational life of IGBT modules, thyristors and rectifier assemblies.
Its compact BS88-4 construction and proven Protistor® technology make it suitable for modern industrial automation, motor control systems, renewable energy installations and power conversion equipment where dependable circuit protection is essential.
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x27 mm | |
| Fuse Class | aR | |
| Voltage | 250 V | |
| Item number | Y085558 | |
| Catalogue No | BS17UZ25V100 | |
| Description | British Standard fuse-link Protistor® 17x27 aR 250V AC UL 100A | |
| EAN/UPC Code | 3605340070309 | |
| Rated voltage AC UL | 250 V | |
| Rated voltage DC UL | 250 V | |
| Rated voltage AC IEC | 250 V | |
| Ampere Rating | 100 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x27 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 4060 A²s | |
| Melting I2t | 730 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 | 11.5 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
The Y085558 is a high speed semiconductor fuse designed to protect converters, motor drives, power supplies and other industrial electronic equipment.
The fuse has a 100 A current rating.
The fuse is rated for operation up to 250 V AC.
The aR operating characteristic provides fast short circuit protection for sensitive semiconductor devices.
It is commonly installed in industrial drives, converters, UPS systems, power supplies and electrical control panels.
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers for delivering dependable protection and reliable performance in critical power electronic applications.
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