Why Choose the Mersen F220989 Protistor® High-Speed Fuse?
The Mersen F220989, catalogue number BS17GB69V20P, is a high-speed Protistor® semiconductor protection fuse designed to provide dependable protection for power semiconductor devices in demanding industrial applications. Manufactured to IEC 60269-1, IEC 60269-4 and BS88-4 standards, this fuse delivers rapid fault interruption and extremely high breaking capacity to help protect valuable power electronic equipment from damaging overloads and short-circuit faults.
Designed in the compact 17 × 49 mm British Standard format, the F220989 features a 20 A current rating, a 690 V AC IEC operating voltage, 700 V AC UL and 600 V DC UL ratings. The integrated striker indicator provides convenient fuse status indication and can be used for remote signalling to minimise maintenance time.
As part of the renowned Mersen Protistor® range, this semiconductor fuse is widely used to protect IGBTs, thyristors, diodes and rectifiers installed in variable frequency drives, UPS systems, converters and industrial automation equipment where reliable semiconductor protection is essential.
Key Advantages
- High-speed semiconductor protection fuse.
- 20 A current rating for industrial power electronic systems.
- 690 V AC IEC, 700 V AC UL and 600 V DC UL ratings.
- gR characteristic providing full-range semiconductor protection.
- Integrated striker indicator for remote monitoring.
- High breaking capacity helps reduce equipment damage and downtime.
Key Features
- Mersen Protistor® series.
- Catalogue number: BS17GB69V20P.
- Reference number: F220989.
- 20 A rated current.
- 690 V AC IEC operating voltage.
- 700 V AC UL / 600 V DC UL ratings.
- gR semiconductor protection characteristic.
- 17 × 49 mm BS88-4 fuse-link with striker.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before excessive thermal energy can damage sensitive semiconductor devices. Their low let-through energy and fast operating characteristics help extend equipment life while reducing maintenance costs and production downtime.
The Mersen Protistor® BS17GB69V20P is designed for modern industrial automation and power conversion systems, providing dependable protection for high-value semiconductor devices used in drives, converters, rectifiers and UPS equipment.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- UPS and backup power equipment.
- Power converters and inverters.
- Rectifiers and DC drives.
- Industrial automation and control systems.
