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MERSEN FUSE 6,9 GRB 17 P 20 6,9GRB17P20
British Standard fuse-link Protistor® 17×49 gR 690VAC IEC 20A With Striker providing reliable full-range semiconductor protection with integrated striker indication.
£36.49
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.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Voltage | 690 V | |
| Item number | F220989 | |
| Catalogue No | BS17GB69V20P | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 20A With Striker | |
| EAN/UPC Code | 3605340249057 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 600 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 20 A | |
| AC or DC | AC | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 110 A²s | |
| Melting I2t | 17.1 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | gRB | |
| 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 | 77.2 mm | |
| Product Height | 24 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.18 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.06 kg | |
| Power Dissipation at Rated Current Value | 5.5 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen F220989 used for?
The F220989 is designed to protect semiconductor devices including IGBTs, thyristors, rectifiers and diodes from overload and short-circuit faults.
What current rating does the F220989 have?
The fuse has a rated current of 20 A.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC), 700 V AC (UL) and 600 V DC (UL).
What does the striker indicator do?
The integrated striker provides visual indication when the fuse operates and can also be used for remote signalling through auxiliary monitoring equipment.
Which applications is this fuse suitable for?
It is suitable for protecting variable speed drives, UPS systems, converters, rectifiers, inverters and other industrial power electronic equipment.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide for protecting valuable power electronic equipment in demanding industrial environments.
