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MERSEN FUSE 2,5 URGS 17 P 20 B097544
The BS17US25V20P fuse-link ensures reliable circuit protection for demanding industrial and control applications, rated at 20A and 250V AC with integrated striker for remote indication.
£30.87
Why Choose the Mersen B097544 Protistor® Semiconductor Fuse?
The Mersen B097544 is a high performance Protistor® BS88-4 semiconductor fuse engineered to provide ultra fast protection for sensitive power electronic equipment. Designed specifically for semiconductor applications, this fuse offers exceptional fault current limitation to help protect valuable components such as IGBTs, thyristors, rectifiers and power converters from damaging short circuits.
As part of the trusted Mersen Protistor® BS88-4 17 × 27 mm range, the B097544 is manufactured to meet demanding industrial requirements while delivering reliable operation and long service life. The integrated striker provides remote indication capability when used with compatible fuse holders, making maintenance and fault diagnosis easier in critical installations.
With a 20 A current rating, 250 V AC IEC / 250 V AC UL rating and 17 × 27 mm BS88-4 construction, the Mersen B097544 is ideal for protecting semiconductor devices used in industrial automation, drives, UPS systems and power conversion equipment.
Key Advantages
- Ultra fast semiconductor protection fuse for sensitive electronic equipment.
- 20 A current rating for industrial power electronics.
- 250 V AC rated voltage suitable for semiconductor protection applications.
- Integrated striker indicator for enhanced fault indication.
- Excellent current limiting performance helps minimise equipment damage.
- Reliable protection for converters, drives, UPS systems and industrial machinery.
Key Features
- Mersen Protistor® BS88-4 series.
- Model: B097544 (BS17US25V20P).
- 20 A rated current.
- 250 V AC IEC / UL rating.
- 17 × 27 mm BS88-4 fuse-link design.
- Ultra fast aR semiconductor protection characteristics.
- Integrated striker for fuse status indication.
- Designed for industrial power electronic equipment.
Reliable Protection for Power Electronic Systems
High speed semiconductor fuses are specifically designed to protect expensive electronic power devices by interrupting fault currents before they can cause catastrophic damage. Their low let-through energy and rapid operation help maximise equipment reliability while reducing downtime and maintenance costs.
The Mersen Protistor® range is widely specified by OEMs, panel builders and industrial engineers for protecting variable speed drives, rectifiers, converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS and battery backup systems.
- Renewable energy inverters.
- Industrial automation and machine building.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x27 mm | |
| Fuse Class | aR | |
| Voltage | 250 V | |
| Item number | B097544 | |
| Catalogue No | BS17US25V20P | |
| Description | British Standard fuse-link Protistor® 17x27 aR 250V AC UL 20A With Striker | |
| EAN/UPC Code | 3605340146851 | |
| Rated voltage AC UL | 250 V | |
| Rated voltage DC UL | 300 V | |
| Rated voltage AC IEC | 250 V | |
| Ampere Rating | 20 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x27 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 100 A²s | |
| Melting I2t | 15.6 A²s | |
| AC Max I.R./Breaking Capacity | I1: 250 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Width | 27 mm | |
| Product Length | 54.4 mm | |
| Product Height | 24 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.1299 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0433 kg | |
| Power Dissipation at Rated Current Value | 3.9 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen B097544 used for?
The Mersen B097544 is an ultra fast semiconductor fuse designed to protect power electronic devices such as IGBTs, thyristors, converters and industrial drives.
What is the current rating of this fuse?
The fuse has a 20 A current rating.
What voltage is the fuse rated for?
The B097544 is rated for 250 V AC operation and up to 300 V DC UL.
What does the integrated striker do?
The built-in striker provides mechanical indication that the fuse has operated and can be used with compatible accessories for remote signalling.
Where is this fuse commonly installed?
It is typically installed in BS88 fuse holders within industrial control panels, drives, UPS systems and power conversion equipment.
Trusted for Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are relied upon worldwide by OEMs, machine builders and industrial engineers for delivering fast, dependable protection for critical power electronic equipment.
