MERSEN FUSE 12,5 URD 273 TTF 0800 F300730

Why Choose the Square Body High-Speed Fuse Protistor® 2x73 aR 1250VAC IEC 800A With Striker Flush Ends Metric Threads PC273UD13C800TF?

Engineered for demanding industrial and power applications, this Protistor® 2x73 aR fuse offers reliable short-circuit protection at 1250VAC up to 800A. The robust square body design ensures excellent thermal and mechanical performance, making it ideal for safeguarding semiconductors and critical circuitry.

Featuring a high-speed response, integral striker, flush ends, and metric threads, installation and maintenance are streamlined. Trusted IEC compliance guarantees superior safety and operational continuity, fulfilling precise protection needs in modern high-power systems.

Technical Specifications

• Item number: F300730
• Catalogue No: PC273UD13C800TF
• Description: Square Body High-Speed Fuse Protistor® 2x73 aR 1250VAC IEC 800A With Striker Flush ends metric threads
• EAN/UPC Code: 3605340332759
• Rated voltage AC IEC: 1250 V
• Ampere Rating: 800 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 2x73
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 815 kA²s
• Melting I2t: 100 kA²s
• AC Max I.R./Breaking Capacity: I1: 100 kA
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Brass
• Connection/Terminal Type: Flush ends
• Product Width: 167 mm
• Product Length: 91 mm
• Product Height: 78.5 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 2.53 kg
• Sell Pack Width: 90 mm
• Sell Pack Length: 205 mm
• Sell Pack Height: 95 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 2.53 kg
• Power Dissipation at Rated Current Value: 195 W

Product Code: F300730

Key Benefits

• High-speed fuse ensures rapid short-circuit interruption, protecting sensitive semiconductor devices.
• Robust square body design provides excellent thermal and mechanical stability.
• Integral striker indication system offers clear visual status of fuse operation.
• Flush ends with metric threads enable secure and easy bolted mounting.
• Complies with IEC standards for reliable and safe operation in industrial environments.

Compatibility

This fuse is compatible with industrial power systems requiring high-speed semiconductor protection at voltages up to 1250VAC and currents up to 800A. It fits fuse holders and switchgear designed for 2x73 size fuses with metric threaded flush-end terminals.

Applications

• Protection of power semiconductors such as thyristors and diodes.
• Industrial motor drives and inverters.
• Power distribution and control systems.
• Renewable energy installations including photovoltaic and wind power converters.
• High-current industrial equipment requiring fast and reliable fault clearing.

Common Search Terms

High-speed fuse, semiconductor protection fuse, 2x73 fuse, 800A fuse, 1250VAC fuse, Protistor fuse, IEC fuse, striker indication fuse, industrial power fuse, bolted mounting fuse.