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MERSEN FUSE 6,9 GRB 17/55 6,9GRB17/55
Engineered for reliability in demanding electrical environments, the Protistor® 17×49 gR fuse-link delivers rapid, effective protection for power distribution and semiconductor applications, fully compliant with British Standard and IEC requirements.
£16.30
Why Choose the Mersen F220966 Protistor® High-Speed Fuse?
The Mersen F220966, catalogue number BS17GB69V55, is a high-speed Protistor® semiconductor protection fuse engineered to provide reliable protection for sensitive power semiconductor devices against overloads and short-circuit faults. Manufactured to IEC 60269-1, IEC 60269-4 and BS88-4 standards, this fuse delivers rapid fault interruption and an extremely high breaking capacity, making it ideal for industrial power electronic applications.
Designed in the compact 17 × 49 mm British Standard format, the F220966 features a 55 A current rating and a 690 V AC IEC operating voltage. The gR operating characteristic provides full-range semiconductor protection, helping safeguard IGBTs, thyristors, rectifiers and diodes used in drives, UPS systems and power conversion equipment.
As part of the trusted Mersen Protistor® range, the BS17GB69V55 fuse is widely specified by OEMs, panel builders and industrial maintenance engineers who require dependable protection of valuable semiconductor equipment while maintaining system reliability and minimising downtime.
Key Advantages
- High-speed semiconductor protection fuse.
- 55 A rated current for industrial power electronics.
- 690 V AC IEC, 700 V AC UL and 600 V DC UL ratings.
- gR operating characteristic providing full-range semiconductor protection.
- Extremely high breaking capacity for improved equipment safety.
- Designed for drives, converters, UPS systems and industrial automation.
Key Features
- Mersen Protistor® series.
- Catalogue number: BS17GB69V55.
- Reference number: F220966.
- 55 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 format.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are designed to interrupt fault currents before excessive thermal energy can damage sensitive semiconductor devices. Their low let-through energy helps protect expensive power electronics while improving equipment reliability and reducing maintenance costs.
The Mersen Protistor® BS17GB69V55 is suitable for protecting variable frequency drives, inverters, converters, rectifiers, UPS systems and other industrial power electronic equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- UPS and backup power systems.
- Power converters and rectifiers.
- Industrial automation equipment.
- Renewable energy power conversion systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Voltage | 690 V | |
| Item number | F220966 | |
| Catalogue No | BS17GB69V55 | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 55A | |
| EAN/UPC Code | 3605340248609 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 600 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 55 A | |
| AC or DC | AC | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1320 A²s | |
| Melting I2t | 210 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | gRB | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Length | 77.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.39 kg | |
| Sell Pack Width | 100 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 25 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.039 kg | |
| Power Dissipation at Rated Current Value | 13.5 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen F220966 used for?
The F220966 is designed to protect semiconductor devices including IGBTs, thyristors, diodes and rectifiers from overloads and short-circuit faults.
What current rating does the F220966 have?
The fuse has a rated current of 55 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 gR characteristic mean?
The gR characteristic provides full-range semiconductor protection against both overload and short-circuit faults, making it suitable for protecting sensitive power electronic devices.
Which applications is this fuse suitable for?
It is suitable for 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.
