Why Choose the Mersen FR10GR69V30 Protistor® High-Speed Fuse?
The Mersen FR10GR69V30 is a premium Protistor® high-speed semiconductor protection fuse designed to provide fast, full-range protection for sensitive power electronic equipment. Built in accordance with IEC 60269-4, this cylindrical gR class fuse delivers rapid fault interruption to protect semiconductor devices such as IGBTs, diodes and thyristors from overloads and short circuits while reducing let-through energy.
As part of the trusted Mersen Protistor® 10 × 38 mm gR 690 V series, the FR10GR69V30 is widely used in industrial automation, variable speed drives, UPS systems and power conversion equipment. Its compact cylindrical design enables straightforward installation into compatible fuse holders while providing dependable protection for modern electronic systems.
With a 30 A current rating, 690 V AC IEC voltage rating and a gR full-range operating characteristic, the FR10GR69V30 protects both overload and short-circuit conditions, making it suitable for demanding semiconductor protection applications.
Key Advantages
- High-speed gR full-range semiconductor protection fuse.
- 30 A current rating for industrial power electronics.
- 690 V AC IEC rated voltage.
- Protects against both overloads and short circuits.
- Low I²t minimises damage to semiconductor devices.
- Compact 10 × 38 mm cylindrical design for worldwide compatibility.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Catalogue number: FR10GR69V30.
- Rated current: 30 A.
- Rated voltage: 690 V AC IEC.
- gR full-range characteristic.
- 10 × 38 mm cylindrical body.
- Current limiting design.
- Excellent cycling capability.
- RoHS compliant.
Reliable Protection for Power Electronics
Full-range gR semiconductor fuses are specifically designed to provide both overload and short-circuit protection for sensitive power electronic equipment. Their extremely fast operation reduces thermal stress on semiconductor devices, helping extend equipment life while reducing maintenance costs.
The Mersen Protistor® range is widely trusted in industrial automation, motor drives, UPS systems and power conversion applications where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- UPS systems.
- Motor drives.
- Power converters.
- Semiconductor power supplies.
- Industrial automation equipment.
- Renewable energy systems.