MERSEN FUSE A070 URD 33 TTI 1250 A070URD33TTI1250

Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Flush Ends UNC Threads A070UD33TTI1250?

Engineered for superior protection of power semiconductors, the Protistor® Size 33 delivers rapid fault response with a 1250A rating, ensuring optimal performance in demanding industrial and utility environments. Its square body design, in compliance with IEC and UL standards (690VAC IEC, 700VAC UL), guarantees reliable operation and easy integration into existing systems.

Featuring striker flush ends and robust UNC threads, this fuse facilitates secure installation and effective status indication. Choose the A070UD33TTI1250 to minimise equipment downtime, enhance system safety, and meet stringent international electrical protection requirements.

Product Code: E300453

Key Benefits

• High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
• Robust ceramic body provides excellent durability and thermal stability.
• Compliance with IEC and UL voltage ratings for versatile international applications.
• Striker indication system allows quick visual status check to reduce maintenance time.
• Flush ends with silver-plated brass terminals and UNC threads enable secure and reliable mounting.
• High breaking capacity (200 kA) ensures safe interruption of high fault currents.

Compatibility

This fuse is compatible with semiconductor protection systems requiring Size 33 high-speed fuses rated for 1250A at 690VAC IEC and 700VAC UL. It integrates seamlessly with bolted mounting arrangements and is suitable for use in industrial power electronics, motor drives, and utility applications where rapid fault clearance is critical.

Applications

• Protection of power semiconductors in industrial inverters and converters.
• Utility power distribution systems requiring high-speed fault protection.
• Motor drive protection in manufacturing and processing plants.
• Renewable energy systems including solar and wind power electronics.
• General industrial electrical protection where high breaking capacity and fast response are essential.

Technical Specifications

• Item number: E300453
• Catalogue No: A070UD33TTI1250
• Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Flush ends UNC threads
• EAN/UPC Code: 3605340328653
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 1250 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 33
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 2053 kA²s
• Melting I2t: 355 kA²s
• AC Max I.R./Breaking Capacity: I1: 200 kA
• Design Details: Reinforced Terminal
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Brass
• Connection/Terminal Type: Flush ends
• Product Width: 73 mm
• Product Length: 50.6 mm
• Product Height: 78.5 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 2.682 kg
• Sell Pack Width: 86 mm
• Sell Pack Length: 247 mm
• Sell Pack Height: 94 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.894 kg
• Power Dissipation at Rated Current Value: 150 W

Common Search Terms

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