Why Choose the MERSEN FUSE 6,9 URD 30 DS 11 I 0400 6,9URD30DS11I0400?
£186.59
The Mersen M300598, catalogue number PC30UD69V400DSI, is a premium Protistor® square body high speed semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic equipment. Specifically engineered for semiconductor applications, it protects IGBTs, thyristors, diodes and other power semiconductor devices against damaging short circuit faults in demanding industrial environments.
Featuring a 400 A current rating, 690 V AC IEC voltage rating and an aR operating class, the M300598 delivers rapid fault interruption while limiting let-through energy to safeguard expensive electronic components. Its robust square body construction and high breaking capacity make it ideal for industrial power conversion systems.
The fuse incorporates a Size 30 square body design with DSI DIN 110 blade terminals and an integrated striker indicator, allowing straightforward installation into compatible fuse holders used throughout industrial electrical installations.
High speed semiconductor fuses are designed to interrupt fault currents before they can damage costly semiconductor devices. Their ultra-fast operating characteristics reduce thermal and mechanical stress while improving equipment reliability and reducing maintenance costs.
The Mersen M300598 is widely used in industrial automation, motor drives, power converters and other power electronic systems where dependable semiconductor protection is essential for safe, efficient operation.
| Manufacturer | Mersen |
|---|---|
| Series | Protistor® Size 30 |
| Model | M300598 |
| Catalogue number | PC30UD69V400DSI |
| Product type | High speed semiconductor fuse |
| Fuse class | aR |
| Rated current | 400 A |
| Rated voltage | 690 V AC |
| Body size | Size 30 square body |
| Terminal type | DSI DIN 110 blade terminals |
| Indicator | Integrated striker |
| Breaking capacity | 200 kA |
| Power dissipation | 60 W |
| Weight | Approx. 0.25 kg |
The M300598 is an ultra-fast semiconductor fuse designed to protect IGBTs, thyristors, diodes and other semiconductor devices against damaging short circuit faults.
The fuse has a 400 A rated current.
The fuse is rated for 690 V AC industrial applications.
The aR classification provides ultra-fast short circuit protection specifically for semiconductor devices while overload protection is provided elsewhere within the electrical installation.
The M300598 is commonly installed in industrial drives, power converters, UPS systems, renewable energy equipment and OEM electrical panels.
Mersen Protistor® semiconductor fuses are trusted worldwide by electrical engineers, OEM manufacturers and panel builders to provide dependable protection for critical industrial 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...