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MERSEN FUSE 6 URD 33 D08 A 1600 6URD33D08A1600
High-speed fuse designed for semiconductor protection with integrated striker indication, rated 1600A at 600VAC IEC and 650VAC UL.
£213.22
Why Choose the Mersen X301803 Protistor® High-Speed Fuse?
The Mersen X301803 is a high-performance Protistor® square body semiconductor fuse engineered to provide ultra-fast protection for sensitive power electronic devices. Designed for demanding industrial applications, this high-speed fuse safeguards semiconductors such as diodes, thyristors and IGBT modules against damaging short circuits while helping minimise downtime and equipment damage.
As part of the trusted Mersen Protistor® Size 33 series, the X301803 combines exceptional current limiting performance with high breaking capacity, making it an ideal solution for power conversion equipment, motor drives, UPS systems and industrial automation. Its silver-plated contacts, robust construction and integrated striker ensure dependable operation in harsh industrial environments.
With a 1600 A current rating and 600 V AC IEC / 650 V AC UL rated voltage, the Mersen X301803 provides reliable semiconductor protection while supporting modern industrial power systems. Its DIN 80 blade terminals enable secure installation within compatible fuse bases and power distribution assemblies.
Key Advantages
- Ultra-fast aR semiconductor protection fuse for sensitive electronic equipment.
- 1600 A current rating for demanding industrial applications.
- 600 V AC IEC / 650 V AC UL voltage rating.
- Designed to protect IGBTs, thyristors and power semiconductor devices.
- Integrated striker indicator for remote status monitoring.
- High breaking capacity reduces damage during fault conditions.
Key Features
- Mersen Protistor® Size 33 series.
- Catalogue number: PC33UD60V1600A.
- 1600 A rated current.
- 600 V AC IEC / 650 V AC UL rated voltage.
- aR ultra-fast semiconductor protection characteristic.
- DIN 80 blade terminal configuration.
- Integrated mechanical striker indicator.
- Silver-plated contact surfaces for improved conductivity.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before they can damage costly electronic components. The Mersen X301803 delivers exceptionally low let-through energy, helping extend the service life of power semiconductors while reducing maintenance costs and improving equipment reliability.
The Protistor® range is widely specified by OEMs, panel builders and industrial engineers for applications requiring dependable short circuit protection in high-power electronic systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and inverters.
- UPS and battery energy storage systems.
- Renewable energy power electronics.
- Industrial automation and process control equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Class | aR | |
| Voltage | 600 V | |
| Item number | X301803 | |
| Catalogue No | PC33UD60V1600A | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 600VAC IEC 650VAC UL 1600A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340346831 | |
| Rated voltage AC UL | 650 V | |
| Rated voltage AC IEC | 600 V | |
| Ampere Rating | 1600 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2900 kA²s | |
| Melting I2t | 555 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Reinforced Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 73 mm | |
| Product Length | 110 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.4369 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 250 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.8123 kg | |
| Power Dissipation at Rated Current Value | 240 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen X301803 used for?
The X301803 is designed to provide ultra-fast protection for semiconductor devices including IGBTs, thyristors and power diodes used in industrial power electronics.
What is the current rating of the X301803?
This fuse has a 1600 A rated current.
What voltage is the fuse rated for?
The fuse is rated for 600 V AC (IEC) and 650 V AC (UL).
What does the integrated striker do?
The mechanical striker provides visual indication of fuse operation and can be used with compatible microswitches for remote signalling.
Which applications commonly use this fuse?
The X301803 is commonly installed in motor drives, converters, UPS equipment, renewable energy systems and other industrial semiconductor protection applications.
Trusted Protection for Industrial Power Systems
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers for delivering fast fault interruption, dependable equipment protection and long-term reliability in demanding power electronic applications.
