Why Choose the Mersen X076656 BS17US25V75 Semiconductor Fuse?
The Mersen X076656 BS17US25V75 is a high-speed Protistor® BS88-4 British Standard semiconductor fuse-link engineered to provide dependable protection for sensitive power semiconductor devices. Featuring an ultra-fast aR operating characteristic, it rapidly clears short-circuit faults to help protect IGBTs, thyristors, diodes, rectifiers and other semiconductor components used in industrial power electronics.
Rated at 75 A with a 250 V AC IEC, 250 V AC UL and 250 V DC UL rating, the BS17US25V75 is ideally suited to variable speed drives, DC drives, UPS systems, rectifiers and industrial power converters. Its compact 17 × 27 mm format allows straightforward installation where space is limited.
Manufactured using Mersen's proven Protistor® technology, the fuse provides excellent current limitation, low let-through energy and an extremely high breaking capacity. The ceramic body and copper L-bracket terminals ensure reliable performance in demanding industrial environments.
Key Advantages
- Ultra-fast aR semiconductor protection.
- 75 A current rating.
- 250 V AC IEC / UL and 250 V DC UL rated.
- Extremely high interrupting capacity.
- Compact 17 × 27 mm British Standard design.
- Low I²t values minimise stress on semiconductor devices.
- Ideal for protecting modern power electronic equipment.
Key Features
- Manufacturer: Mersen
- Series: Protistor® BS88-4
- Model: BS17US25V75
- Manufacturer SKU: X076656
- Fuse class: aR high-speed semiconductor fuse.
- 17 × 27 mm cylindrical body.
- Bolted copper L-bracket terminals.
- Ceramic fuse body.
- Version without striker indicator.
- UL Recognised.
Fast Protection for Power Semiconductor Devices
The Mersen X076656 is designed specifically to interrupt high fault currents before they can damage expensive semiconductor devices. Its ultra-fast aR characteristic limits fault energy and helps maximise the service life of IGBTs, thyristors, rectifier modules and other power electronic assemblies.
As an aR semiconductor fuse, the BS17US25V75 is intended primarily for short-circuit protection. Suitable overload protection should be provided separately where required by the equipment design and applicable electrical standards.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Rectifiers.
- Power converters.
- UPS systems.
- DC drives.
- Industrial automation equipment.
- Semiconductor protection circuits.
