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MERSEN FUSE 11 URD 72 EF 0630 11URD72EF0630
MPN: R300625
Alt. SKU: PC72UD11C630EF
Special Price
£157.28
£131.07
Regular Price
£285.96
MERSEN FUSE 11 URD 72 EF 0630 11URD72EF0630 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Open Slot Blades PC72UD11C630EF?
Engineered for superior protection of power semiconductors, this high-speed fuse delivers a reliable 630A current rating and withstands operational voltages up to 1100VAC (IEC) and 1200VAC (UL). Its advanced aR-class characteristics ensure rapid, precise interruption of fault currents, minimising downtime and safeguarding critical systems.
Featuring robust open slot blades and an integrated striker for indication, the PC72UD11C630EF supports straightforward installation and enhanced safety monitoring. Fully compliant with IEC and UL standards, it provides proven performance and longevity in demanding industrial environments.
Technical Specifications
- Item number: R300625
- Catalogue No: PC72UD11C630EF
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Open Slot Blades
- EAN/UPC Code: 3605340331189
- 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: Open Slot Blades
- Product Width: 59 mm
- Product Length: 149.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.274 kg
- Sell Pack Width: 157 mm
- Sell Pack Length: 205 mm
- Sell Pack Height: 80 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.758 kg
- Power Dissipation at Rated Current Value: 125 W
Product Code: R300625
Key Benefits
- High-speed aR characteristic ensures rapid fault current interruption.
- Robust ceramic body provides excellent durability and heat resistance.
- Integrated striker indication system for clear fault signalling.
- Silver-plated copper open slot blades enable secure and reliable connections.
- Complies with IEC and UL standards for global application.
- Bolted mounting for stable and safe installation.
Compatibility
This fuse is compatible with power semiconductor protection systems requiring Size 72 fuses with aR characteristics. It fits fuse holders and switchgear designed for bolted mounting and open slot blade connections, suitable for industrial AC applications up to 1200VAC.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power conversion and control equipment.
- Renewable energy systems including solar and wind power inverters.
- General industrial electrical protection requiring high breaking capacity fuses.
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR rating indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive components.
Can this fuse be used in DC circuits?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker mechanism visually indicates when the fuse has operated by releasing a mechanical flag or striker, allowing for quick fault identification without disassembly.
Is this fuse compliant with international standards?
Yes, it meets IEC and UL standards for voltage and current ratings, ensuring reliable and safe operation worldwide.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 72 fuse, aR fuse, 630A fuse, 1100VAC fuse, 1200VAC fuse, striker indication fuse, ceramic body fuse, bolted mounting fuse, open slot blade fuse.
| Manufacturer Part Number | R300625 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340331189 |
| Height | 149.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72UD11C630EF |
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