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MERSEN FUSE 2,5 URZ 17/150 2,5URZ17/150
British Standard fuse-link Protistor® 17×27 aR 250V AC UL 150A designed for semiconductor protection in industrial applications.
£10.82
Why Choose the Mersen W085556 BS17UZ25V150 Semiconductor Fuse?
The Mersen W085556 BS17UZ25V150 is a high-performance British Standard semiconductor fuse-link designed to provide fast, reliable protection for sensitive power semiconductor devices. Part of the trusted Mersen Protistor® BS88-4 series, this fuse is engineered for use in industrial drives, power converters, UPS systems and other power electronic equipment where rapid fault interruption is essential.
Manufactured to IEC 60269-1 and IEC 60269-4 standards, the BS17UZ25V150 offers an exceptionally high breaking capacity, helping minimise damage to costly semiconductor components during fault conditions. Its compact 17 × 27 mm construction allows straightforward integration into industrial control equipment while maintaining dependable electrical performance.
With a 150 A current rating and a 250 V AC voltage rating, the W085556 delivers high-speed protection for demanding industrial applications, improving equipment reliability, reducing downtime and extending the service life of critical power electronic systems.
Key Advantages
- High-speed semiconductor protection fuse for industrial power electronics.
- 150 A current rating for demanding applications.
- 250 V AC IEC and UL rated voltage.
- aR operating characteristic for semiconductor protection.
- Extremely high breaking capacity for reliable fault interruption.
- Manufactured to BS88-4 and IEC semiconductor fuse standards.
Key Features
- Mersen Protistor® BS88-4 series.
- Model BS17UZ25V150.
- 150 A current rating.
- 250 V AC / 250 V DC rated voltage.
- 17 × 27 mm fuse size.
- aR high-speed operating characteristic.
- Bolted offset tag connections.
- Ceramic body with copper terminals for industrial durability.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to protect power electronic devices against damaging short-circuit currents. Their rapid operating characteristics significantly reduce electrical and thermal stress, helping maximise equipment life while reducing maintenance costs and unplanned downtime.
The Mersen Protistor® BS88-4 range is trusted worldwide for protecting variable speed drives, inverters, converters, UPS systems and other semiconductor-based industrial equipment requiring dependable overcurrent protection.
Typical Applications
- Variable frequency drives (VFDs).
- Power converters and inverters.
- UPS and standby power systems.
- Industrial motor control equipment.
- Renewable energy power electronics.
- Semiconductor protection within industrial automation systems.
Technical Specifications
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x27 mm | |
| Fuse Class | aR | |
| Voltage | 250 V | |
| Item number | W085556 | |
| Catalogue No | BS17UZ25V150 | |
| Description | British Standard fuse-link Protistor® 17x27 aR 250V AC UL 150A | |
| EAN/UPC Code | 3605340070279 | |
| Rated voltage AC UL | 250 V | |
| Rated voltage DC UL | 250 V | |
| Rated voltage AC IEC | 250 V | |
| Ampere Rating | 150 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x27 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 9590 A²s | |
| Melting I2t | 1250 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 | 13.6 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen W085556 used for?
It protects sensitive semiconductor devices in industrial drives, converters, UPS systems and other power electronic equipment from damaging short-circuit faults.
What is the current rating of this fuse?
The fuse has a 150 A current rating.
What voltage is the fuse rated for?
The BS17UZ25V150 is rated for 250 V AC and 250 V DC.
What does the aR characteristic mean?
The aR operating characteristic provides high-speed partial-range protection specifically for semiconductor devices against short-circuit currents.
Where is this fuse commonly installed?
It is widely used in industrial drives, inverters, converters, UPS systems and other semiconductor-based power control equipment.
Trusted Protection for Critical Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers to deliver fast, dependable protection for valuable power electronic equipment operating in demanding industrial environments.
