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MERSEN FUSE 6 URD 33 D11 A 1500 6URD33D11A1500
High-speed aR characteristic fuse with 1500A rating, 600VAC IEC/650VAC UL voltage, ceramic body, striker indication system, and DIN 110 blade terminals for semiconductor protection.
£199.28
Why Choose the Mersen H301974 Protistor® High-Speed Fuse?
The Mersen H301974 is a premium Protistor® Size 33 square body high-speed semiconductor fuse engineered to deliver exceptional protection for modern power electronic equipment. Designed for rapid fault interruption, it protects valuable semiconductor devices including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents while helping maximise equipment reliability and minimise costly downtime.
As part of the trusted Mersen Protistor® Size 33 aR series, the H301974 combines high breaking capacity with low let-through energy, making it ideal for demanding industrial power conversion applications. Its robust ceramic construction, silver-plated contacts and integrated striker indicator provide dependable long-term performance in industrial environments.
With a 1500 A current rating, 600 V AC IEC / 650 V AC UL voltage rating and DIN 110 blade terminals, the H301974 is widely used in variable frequency drives, UPS systems, converters, soft starters and renewable energy equipment requiring reliable semiconductor protection.
Key Advantages
- High-speed aR semiconductor protection fuse.
- 1500 A rated current for demanding industrial applications.
- 600 V AC IEC / 650 V AC UL voltage rating.
- Designed to protect IGBTs, thyristors, diodes and rectifiers.
- Low I²t reduces stress on sensitive semiconductor devices.
- Integrated striker indicator for simplified maintenance.
Key Features
- Mersen Protistor® Size 33 square body fuse.
- aR ultra-fast semiconductor protection characteristic.
- 1500 A rated current.
- 600 V AC IEC / 650 V AC UL rated.
- DIN 110 blade terminal mounting.
- Integrated striker indication.
- Silver-plated contact surfaces.
- Ceramic square body construction.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt extremely high fault currents before they can damage expensive power electronic components. Their ultra-fast operating characteristics and low let-through energy help maximise equipment availability while reducing repair costs and unplanned production downtime.
The Protistor® range is trusted by OEMs, electrical engineers and industrial maintenance teams worldwide for protecting modern power conversion systems operating in demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Soft starters.
- Renewable energy power conversion equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 600 V | |
| Item number | H301974 | |
| Catalogue No | PC33UD60V15CD1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 600VAC IEC 650VAC UL 1500A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340349283 | |
| Rated voltage AC UL | 650 V | |
| Rated voltage AC IEC | 600 V | |
| Ampere Rating | 1500 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2500 kA²s | |
| Melting I2t | 470 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 110 Blades | |
| Product Width | 73 mm | |
| Product Length | 134.6 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.622 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 240 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.874 kg | |
| Power Dissipation at Rated Current Value | 210 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen H301974 used for?
The H301974 is a high-speed semiconductor fuse designed to protect IGBTs, thyristors, diodes and other power electronic devices from short-circuit faults.
What is the current rating of this fuse?
The fuse has a 1500 A current rating.
What voltage is the H301974 rated for?
It is rated at 600 V AC (IEC) and 650 V AC (UL).
What does the aR fuse characteristic mean?
The aR classification provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating currents.
Which applications commonly use this fuse?
The H301974 is widely used in variable speed drives, UPS systems, converters, inverters and industrial power conversion equipment.
Trusted by Power Electronics Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for delivering rapid fault protection, helping maximise equipment reliability and minimise downtime in demanding industrial power conversion applications.
