Why Choose the MERSEN FUSE A 020 URD 33 KI 1600 2URD33KI1600?
£361.94
The Mersen H301767 is a high performance Protistor® square body high-speed semiconductor fuse designed to protect power semiconductor devices in demanding industrial power conversion systems. Engineered for rapid fault interruption, it provides reliable protection for IGBTs, thyristors, diodes and rectifiers, helping to minimise equipment damage and reduce costly downtime.
As part of the trusted Mersen Protistor® Size 33 series, the H301767 delivers excellent current-limiting performance and low let-through energy. It is widely used in variable speed drives, UPS systems, converters, soft starters and other industrial power electronic equipment where dependable semiconductor protection is essential.
Featuring a 1600 A current rating, square ceramic body construction and integrated striker indication, the H301767 offers reliable performance in demanding industrial environments while supporting straightforward installation into compatible fuse bases and assemblies.
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before they can damage expensive power electronic components. Their extremely fast operating characteristics and low let-through energy help maximise equipment reliability while reducing repair costs and production downtime.
The Mersen Protistor® range is trusted worldwide by OEMs, panel builders and industrial engineers for protecting modern power conversion equipment operating in demanding industrial environments.
| Manufacturer | Mersen |
|---|---|
| Series | Protistor® |
| Model | H301767 |
| Catalogue number | A020URD33KI1600 |
| Product type | Square body high-speed semiconductor fuse |
| Rated current | 1600 A |
| Fuse characteristic | Ultra-fast semiconductor protection |
| Construction | Ceramic square body |
| Terminal type | Slotted blade terminals |
| Indicator | Integrated striker |
| Application | Semiconductor and power electronics protection |
| Weight | Approx. 1.36 kg |
The H301767 is a high-speed semiconductor fuse designed to protect sensitive power electronic devices against short-circuit faults.
The Mersen H301767 has a 1600 A current rating.
It is commonly used in variable speed drives, UPS systems, converters, inverters, soft starters and other industrial power conversion equipment.
Yes. The H301767 incorporates an integrated striker mechanism to assist with fuse indication and maintenance.
Protistor® fuses provide ultra-fast fault interruption with low let-through energy, helping protect expensive semiconductor devices from catastrophic damage.
Mersen Protistor® semiconductor fuses are trusted worldwide to provide dependable protection for power electronics, helping improve equipment reliability and minimise downtime across industrial applications.
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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...