Why Choose the Mersen X220958 BS17GB69V16 Semiconductor Fuse?
The Mersen X220958, catalogue number BS17GB69V16 (designation 6.9 gRB 17/16), is a Protistor® BS88-4 high-speed semiconductor fuse-link designed to provide dependable protection for sensitive power semiconductor devices. Featuring a gR full-range operating characteristic, it protects against both overloads and short-circuit faults, making it suitable for safeguarding IGBTs, thyristors, diodes and rectifier assemblies in demanding industrial applications.
Rated at 16 A, the fuse provides 690 V AC IEC, 700 V AC UL and 600 V DC UL ratings. Its compact 17 × 49 mm BS88-4 construction with copper L-bracket terminals enables straightforward installation in industrial drives, UPS systems, converters and other power electronic equipment.
Manufactured using Mersen's proven Protistor® technology, the BS17GB69V16 delivers exceptional current limitation, a 200 kA breaking capacity, low I²t values and dependable semiconductor protection, helping to minimise equipment damage and reduce costly downtime.
Key Advantages
- Full-range gR semiconductor protection.
- 16 A current rating.
- 690 V AC IEC / 700 V AC UL / 600 V DC UL ratings.
- 200 kA breaking capacity.
- Protects against both overloads and short-circuit faults.
- Excellent current limitation and low I²t.
- Compact BS88-4 17 × 49 mm construction.
- Suitable for demanding industrial power electronic applications.
Key Features
- Manufacturer: Mersen
- Series: Protistor® BS88-4
- Manufacturer SKU: X220958
- Catalogue number: BS17GB69V16
- Designation: 6.9 gRB 17/16
- Fuse class: gR
- 17 × 49 mm British Standard body.
- No blown-fuse indicator.
- Bolted copper L-bracket terminals.
- UL Recognised.
The Mersen X220958 is engineered to clear both overloads and short-circuit faults, providing comprehensive protection for valuable semiconductor devices. Its gR operating characteristic enables full-range protection while maintaining excellent selectivity with other protective devices within industrial distribution systems.
Its robust ceramic body, copper terminals and very high interrupting capacity make it well suited to industrial motor drives, power conversion systems and critical semiconductor applications requiring dependable protection.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- UPS systems.
- Rectifiers.
- Industrial automation equipment.
- Semiconductor protection circuits.
- Renewable energy inverters.