MERSEN FUSE 9 URD 272 TTF 1800 9URD272TTF1800

Why Choose the Square Body High-Speed Fuse Protistor® Size 2x72 aR 900VAC IEC 1800A With Striker Flush Ends, Metric Threads, Omega Connection (PC272UD90V18CTF)?

Engineered for reliable circuit protection in demanding industrial applications, this high-speed fuse delivers rapid response against overcurrent conditions, safeguarding sensitive power electronics and semiconductor devices at up to 900VAC and 1800A. The integrated striker function enables easy visual or electrical indication of fuse operation, supporting effective system monitoring and maintenance.

Featuring robust flush-end design with metric threads and Omega terminations, installation is secure and straightforward, ensuring compatibility with standard panels and busbar systems. Certified to IEC standards, the Protistor® PC272UD90V18CTF fuse offers superior safety and proven performance, making it the trusted choice for critical high-power applications.

Technical Specifications

• Item number: E301994
• Catalogue No: PC272UD90V18CTF
• Description: Square Body High-Speed Fuse Protistor® Size 2x72 aR 900VAC IEC 1800A With Striker Flush ends metric threads With Omega connection
• EAN/UPC Code: 3605340349481
• Rated voltage AC IEC: 900 V
• Ampere Rating: 1800 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 2x72
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 6350 kA²s
• Melting I2t: 1250 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: 138.5 mm
• Product Length: 91 mm
• Product Height: 65.5 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 1.825 kg
• Sell Pack Width: 85 mm
• Sell Pack Length: 185 mm
• Sell Pack Height: 65 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 1.825 kg
• Power Dissipation at Rated Current Value: 275 W

Product Code: PC272UD90V18CTF

Key Benefits

• High-speed aR characteristic ensures rapid disconnection of overcurrents, protecting sensitive semiconductor devices.
• Integrated striker indication system provides clear visual and electrical feedback on fuse operation.
• Robust ceramic body with flush ends and silver-plated brass terminals for durable, reliable connections.
• Metric threaded Omega connection simplifies installation and ensures secure mounting.
• Certified to IEC standards for assured safety and performance in industrial environments.
• High breaking capacity of 100 kA at 900 V AC for maximum protection under fault conditions.

Compatibility

This fuse is compatible with standard bolted mounting systems and designed to fit panels and busbars that accept 2x72 size fuses with flush end terminals and Omega connections. It integrates seamlessly with industrial semiconductor protection setups requiring high-speed fuse protection at voltages up to 900VAC and currents up to 1800A.

Applications

• Protection of power semiconductor devices such as thyristors, diodes, and IGBTs in industrial drives.
• High-power rectifier circuits and inverters in manufacturing and process industries.
• Electrical installations requiring fast and reliable overcurrent protection at high voltages and currents.
• Industrial power distribution systems demanding IEC-compliant fuse solutions.

Common Search Terms

High-speed fuse, semiconductor protection fuse, Protistor fuse, 1800A fuse, 900VAC fuse, aR fuse characteristic, IEC fuse, striker indication fuse, bolted mounting fuse, ceramic body fuse, Omega connection fuse.