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MERSEN FUSE 11 URD 72 D11 A 0630 11URD72D11A0630
High-speed fuse designed for semiconductor protection with 630A rating, 1100VAC IEC and 1200VAC UL voltage ratings, featuring a ceramic body, integrated striker, and DIN 110 blade terminals.
£124.33
Why Choose the Mersen X300561 Protistor® High-Speed Fuse?
The Mersen X300561 is a premium square body semiconductor protection fuse designed to provide ultra-fast protection for sensitive power semiconductor devices including IGBTs, thyristors and diodes. As part of the Mersen Protistor® Size 72 aR series, it delivers dependable protection for modern high-power conversion equipment operating in demanding industrial environments.
Engineered with low energy let-through characteristics and high interrupting capacity, the X300561 helps minimise damage caused by short-circuit faults while improving equipment reliability and reducing downtime. Its square body construction incorporates silver-plated contacts, DIN 110 blade terminals and an integrated striker indicator for simplified maintenance and monitoring.
With a 630 A current rating and a 1100 V AC IEC / 1200 V AC UL voltage rating, the Mersen X300561 is ideally suited for protecting industrial drives, UPS systems, converters, renewable energy equipment and other high-voltage power electronic applications.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 630 A current rating for demanding industrial applications.
- 1100 V AC IEC / 1200 V AC UL voltage capability.
- 150 kA breaking capacity for dependable fault protection.
- Integrated striker indicator for simplified maintenance.
- Silver-plated DIN 110 blade terminals ensure reliable electrical performance.
Key Features
- Mersen Protistor® Size 72 series.
- 630 A rated current.
- 1100 V AC IEC / 1200 V AC UL rated voltage.
- aR ultra-fast operating characteristic.
- Integrated striker indication system.
- DIN 110 blade terminals.
- Square body bolted construction.
- Designed specifically for semiconductor protection.
Reliable Semiconductor Protection
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before expensive semiconductor devices can be damaged. Their ultra-fast response helps reduce thermal stress while maintaining the reliability and performance of industrial power conversion equipment.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, transportation and heavy industry, providing dependable protection for drives, converters, rectifiers and UPS systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and power electronic equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1100 V | |
| Item number | X300561 | |
| Catalogue No | PC72UD11C630D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340330274 | |
| Rated voltage AC UL | 1200 V | |
| Rated voltage AC IEC | 1100 V | |
| Ampere Rating | 630 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 690 kA²s | |
| Melting I2t | 106.3 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 110 Blades | |
| Product Width | 59 mm | |
| Product Length | 133.4 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.1099 kg | |
| Sell Pack Width | 142 mm | |
| Sell Pack Length | 194 mm | |
| Sell Pack Height | 72 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.7033 kg | |
| Power Dissipation at Rated Current Value | 125 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen X300561 used for?
The X300561 provides ultra-fast protection for semiconductor devices including IGBTs, thyristors and diodes used in industrial power conversion equipment.
What is the current rating of the X300561?
This fuse has a 630 A current rating.
What voltage is the Mersen X300561 rated for?
The fuse is rated for 1100 V AC (IEC) and 1200 V AC (UL).
Does the X300561 include a blown fuse indicator?
Yes. The fuse incorporates an integrated striker indicator that can operate a compatible microswitch for remote indication.
Where is the Mersen X300561 typically installed?
It is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other high-voltage power electronic applications.
Trusted Protection for Industrial Power Electronics
Mersen Protistor® semiconductor protection fuses are trusted worldwide to safeguard critical power electronic equipment by delivering rapid fault interruption, high breaking capacity and dependable long-term performance.
