Why Choose the MERSEN FUSE 6,9 GRB 000 D08 / 025 6,9GRB000D08/025?
£47.35
The Mersen E330031 is a high-performance 8 × 31 mm cylindrical high-speed semiconductor fuse from the trusted Mersen Protistor® range. Specifically engineered to protect sensitive semiconductor devices, this fuse delivers rapid fault interruption for power electronic equipment including inverters, converters, motor drives and industrial control systems.
Manufactured using advanced fuse technology, the E330031 features low let-through energy and excellent current-limiting characteristics to help minimise damage to expensive power semiconductors during short-circuit conditions. Its compact cylindrical design allows easy installation in compatible fuse holders while maintaining dependable protection in demanding industrial applications.
With a 25 A current rating and a 690 V AC voltage rating, the E330031 is ideal for protecting IGBTs, diodes, thyristors and rectifiers in modern power conversion equipment where fast and reliable semiconductor protection is essential.
High-speed semiconductor fuses provide significantly faster fault clearance than conventional industrial fuses, limiting fault current before sensitive electronic components can be damaged. The Mersen Protistor® range is designed specifically for protecting power semiconductors used in modern industrial automation and energy conversion equipment.
The E330031 delivers dependable protection for industrial power systems while helping reduce equipment downtime and maintenance costs by minimising damage caused by electrical faults.
| Manufacturer | Mersen |
|---|---|
| Series | Protistor® High-Speed Fuses |
| Model | E330031 |
| Product type | High-speed semiconductor fuse |
| Fuse class | gRB |
| Rated current | 25 A |
| Rated voltage | 690 V AC |
| Frequency | 50 / 60 Hz |
| Fuse size | 8 × 31 mm |
| Construction | Cylindrical ceramic fuse |
| Application | Semiconductor protection |
| Mounting | Compatible cylindrical fuse holder |
| Breaking capacity | High interrupting capacity |
| Weight | Approx. 0.11 kg |
It is designed to provide ultra-fast protection for power semiconductor devices used in industrial power conversion and automation equipment.
The Mersen E330031 has a 25 A current rating.
The fuse is rated for operation on systems up to 690 V AC.
It is suitable for protecting IGBTs, thyristors, diodes, rectifiers and similar power semiconductor devices against short-circuit faults.
The E330031 is commonly installed in industrial drives, converters, UPS systems, inverters and other power electronic equipment using compatible 8 × 31 mm fuse holders.
Mersen Protistor® high-speed fuses are trusted by machine builders, automation engineers and panel manufacturers worldwide for delivering dependable protection of critical power electronic equipment.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...