Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE 6,9 URD 30 DS 11 I 0350 PC30UD69V350DSI
Why Choose the MERSEN FUSE 6,9 URD 30 DS 11 I 0350 PC30UD69V350DSI?
Why Choose the Mersen L300597 Protistor® High-Speed Fuse?
The Mersen L300597, catalogue number PC30UD69V350DSI, is a Protistor® Size 30 square body high-speed semiconductor fuse engineered to protect sensitive power electronic equipment from damaging short-circuit currents. Featuring an ultra-fast aR operating characteristic, it is specifically designed to safeguard IGBTs, thyristors, diodes and other semiconductor devices used in demanding industrial applications.
Designed for high-performance power conversion systems, the L300597 combines low let-through energy with high interrupting capability to minimise semiconductor damage during fault conditions. It features DSI blade terminals with striker indication, silver-plated contact surfaces and precision fuse elements for dependable long-term performance.
With a 350 A current rating and a 690 V AC rating, the Mersen L300597 is ideally suited to industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power electronic applications requiring ultra-fast overcurrent protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 350 A current rating for industrial power electronics.
- 690 V AC operating voltage.
- Low I²t characteristics help minimise semiconductor damage.
- DSI blade terminals with integrated striker indication.
- Silver-plated contacts for dependable conductivity.
- High interrupting capability for demanding applications.
Key Features
- Mersen Protistor® Size 30 series.
- Catalogue number: PC30UD69V350DSI.
- 350 A rated current.
- 690 V AC rated voltage.
- aR ultra-fast operating characteristic.
- DSI blade terminal configuration.
- Integrated striker indicator.
- Square body ceramic construction.
- Silver-plated contact surfaces.
Reliable Protection for Semiconductor Equipment
Protistor® semiconductor fuses are specifically engineered to interrupt high fault currents before sensitive semiconductor devices suffer catastrophic damage. Their low energy let-through characteristics help maximise equipment availability while reducing maintenance costs in industrial power conversion systems.
The robust square body construction, precision fuse elements, silver-plated contacts and integrated striker indication make the Mersen L300597 an excellent choice for engineers specifying dependable protection for modern power electronic equipment.
Typical Applications
- Variable speed motor drives.
- Industrial power converters.
- IGBT and thyristor protection.
- UPS systems.
- Renewable energy inverters.
- Industrial rectifiers.
- Power electronic control equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Current | 350 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® Size 30 | |
| Model | L300597 | |
| Catalogue number | PC30UD69V350DSI | |
| Product type | Square body high-speed semiconductor fuse | |
| Rated current | 350 A | |
| Rated voltage | 690 V AC | |
| Fuse utilisation category | aR | |
| Operating characteristic | Ultra-fast | |
| Terminal type | DSI blade terminals | |
| Indicator | Integrated striker | |
| EAN | 3605340330823 | |
| Packed quantity | 3 | |
| RoHS compliant | Yes |
Frequently Asked Questions
What is the Mersen L300597 used for?
The Mersen L300597 is an ultra-fast semiconductor protection fuse designed to protect IGBTs, thyristors, diodes and other sensitive power semiconductor devices from short-circuit faults.
What is the current rating of the L300597?
The Mersen L300597 has a rated current of 350 A.
What voltage is the fuse rated for?
The fuse has a rated operating voltage of 690 V AC.
What does the aR classification mean?
The aR classification identifies an ultra-fast semiconductor fuse intended for short-circuit protection of power semiconductor devices while allowing normal operating overloads to be managed elsewhere in the protection system.
What type of terminals does the L300597 use?
The L300597 features DSI blade terminals with an integrated striker indicator for secure installation and optional remote fuse monitoring.
Trusted Protection for Critical Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, electrical engineers and industrial maintenance professionals to provide dependable protection for high-performance power electronic systems.
