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MERSEN FUSE 6,9 GRB 17/75 6,9GRB17/75
The Protistor® 17×49 gR 690VAC IEC 75A fuse-link offers robust circuit protection for industrial power distribution and semiconductor applications, conforming to British Standard dimensions and IEC compliance.
£19.30
Why Choose the Mersen H220968 High-Speed Semiconductor Fuse?
The Mersen H220968 is a genuine Protistor® high-speed semiconductor fuse designed for the protection of sensitive power electronic equipment. Identified by catalogue number BS17GB69V75, this British Standard fuse-link features a 17 × 49 mm body size, 75 A current rating and 690 V AC IEC rated voltage, making it ideal for demanding industrial semiconductor protection applications.
Manufactured to BS88-4 and IEC 60269 standards, the H220968 provides gR full-range semiconductor protection, offering rapid fault interruption for IGBTs, thyristors, diodes and rectifiers. Its extremely high breaking capacity helps minimise damage to expensive power electronic equipment while improving system reliability.
As part of Mersen's trusted Protistor® range, the H220968 is widely used in industrial drives, UPS systems, power converters, rectifiers and renewable energy applications where dependable high-speed semiconductor protection is essential.
Key Advantages
- Genuine Mersen Protistor® semiconductor fuse.
- 75 A rated current.
- 690 V AC IEC rated voltage.
- gR operating class providing full-range semiconductor protection.
- Extremely high interrupt rating of up to 200 kA.
- Manufactured to BS88-4 and IEC 60269 standards.
Key Features
- Manufacturer: Mersen.
- Manufacturer reference: H220968.
- Catalogue number: BS17GB69V75.
- Protistor® British Standard fuse-link.
- 17 × 49 mm body size.
- gR full-range semiconductor protection.
- High-speed current-limiting design.
- Suitable for industrial OEM and maintenance applications.
Reliable Protection for Industrial Power Electronics
Protistor® semiconductor fuses are specifically engineered to interrupt fault currents much faster than conventional industrial fuses. Their excellent current-limiting performance helps reduce thermal and mechanical stress on semiconductor devices, improving equipment reliability while reducing costly downtime.
The Mersen H220968 provides full-range gR protection, allowing it to clear both overloads and short-circuit faults, making it an excellent choice for protecting sensitive semiconductor equipment in demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Power converters.
- Rectifiers.
- Motor control centres.
- Renewable energy equipment.
- Industrial automation systems.
Technical Specifications
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Voltage | 690 V | |
| Item number | H220968 | |
| Catalogue No | BS17GB69V75 | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 75A | |
| EAN/UPC Code | 3605340248647 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 600 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 75 A | |
| AC or DC | AC | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3250 A²s | |
| Melting I2t | 520 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 | 16 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen H220968 used for?
The Mersen H220968 is a high-speed Protistor® semiconductor fuse designed to protect sensitive power electronic equipment from overloads and short-circuit faults.
What is the current rating?
The H220968 has a rated current of 75 A.
What voltage is this 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 operating class mean?
gR fuses provide full-range semiconductor protection, clearing both overload and short-circuit faults to protect sensitive semiconductor devices.
What standards does the H220968 comply with?
The H220968 is manufactured to BS88-4 and IEC 60269 semiconductor fuse standards and is UL Recognised.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial maintenance professionals to provide dependable protection for critical power electronic systems.
