MERSEN FUSE 12,5 URD 273 TTF 1250 12,5URD273TTF1250

Why Choose the Square Body High-Speed Fuse Protistor® 2x73 aR 1250VAC IEC 1250A With Striker Flush Ends Metric Threads PC273UD13C13CTF?

Engineered for critical protection in high-power industrial systems, this 1250A, 1250VAC high-speed fuse ensures rapid response to overcurrents, minimising downtime and safeguarding sensitive semiconductor devices. The robust square body design and striker feature enable reliable indication and integration within automated circuit protection schemes.

Compliant with IEC standards, the fuse offers flush-end caps with precision metric threads for easy installation and secure connections. Ideal for demanding applications requiring superior thermal and electrical performance, it delivers proven reliability and peace of mind in mission-critical environments.

Technical Specifications

• Item number: K300734
• Catalogue No: PC273UD13C13CTF
• Description: Square Body High-Speed Fuse Protistor® 2x73 aR 1250VAC IEC 1250A With Striker Flush ends metric threads
• EAN/UPC Code: 3605340332797
• Rated voltage AC IEC: 1250 V
• Ampere Rating: 1250 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 2x73
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 2660 kA²s
• Melting I2t: 336 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: 262 W

Product Code: K300734

Key Benefits

• Rapid response to overcurrents minimises equipment damage and downtime.
• Robust ceramic body ensures high thermal and mechanical stability.
• Striker indication system provides clear, reliable fuse status feedback.
• Flush-end silver-plated brass terminals with metric threads for secure, easy installation.
• High breaking capacity (100 kA) suitable for demanding industrial environments.
• Compliant with IEC standards guaranteeing international quality and safety.

Compatibility

This fuse is compatible with industrial semiconductor protection systems requiring high-speed, high-current interruption. It integrates seamlessly with bolted mounting fuse holders designed for 2x73 fuse sizes and is suitable for use in AC circuits up to 1250 V rated voltage.

Applications

• Protection of power semiconductors such as thyristors and diodes.
• Industrial motor drives and inverters.
• High-power transformers and reactors.
• Renewable energy systems including solar and wind power installations.
• Heavy industrial machinery and automation systems.

Common Search Terms

High-speed fuse, semiconductor protection fuse, 1250A fuse, 1250VAC fuse, aR fuse, square body fuse, striker fuse, industrial fuse, bolted mounting fuse, 2x73 fuse size, ceramic fuse, flush end fuse, metric thread fuse.