MERSEN FUSE A 070 URD 32 TTI 0400 A070URD32TTI0400

Why Choose the Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 400A With Striker Flush Ends UNC Threads (A070UD32TTI400)?

This high-performance Protistor® fuse delivers rapid circuit protection for demanding industrial environments, supporting up to 690VAC (IEC) and 700VAC (UL) at 400A. Specially designed for semiconductor and power conversion applications, it ensures reliable interruption of fault currents for enhanced equipment safety and operational uptime.

Featuring a robust square body, integrated striker, flush ends, and UNC threads, this fuse offers straightforward installation and compatibility with a wide range of fuse holders and busbar systems. Trust in consistent performance and compliance with both IEC and UL standards for peace of mind in critical protection tasks.

Technical Specifications

• Item number: Q300463
• Catalogue No: A070UD32TTI400
• Description: Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 400A With Striker Flush ends UNC threads
• EAN/UPC Code: 3605340328851
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 400 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 32
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 90 kA²s
• Melting I2t: 15 kA²s
• AC Max I.R./Breaking Capacity: I1: 200 kA
• Design Details: Standard Terminal
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Brass
• Connection/Terminal Type: Flush ends
• Product Width: 59 mm
• Product Length: 50.6 mm
• Product Height: 65 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 1.8099 kg
• Sell Pack Width: 145 mm
• Sell Pack Length: 245 mm
• Sell Pack Height: 90 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.6033 kg
• Power Dissipation at Rated Current Value: 72 W

Product Code: Q300463

Key Benefits

• High-speed interruption for enhanced protection of sensitive semiconductor devices.
• Rated for both IEC (690VAC) and UL (700VAC) standards ensuring broad compliance.
• Robust ceramic body with silver-plated brass terminals for durability and reliable connection.
• Integrated striker indication system provides clear blown fuse indication for quick diagnostics.
• Flush ends with UNC threads simplify installation and secure mounting.
• High breaking capacity of 200 kA ensures safe interruption of high fault currents.

Compatibility

This fuse is compatible with standard Size 32 fuse holders and bolted mounting systems designed for semiconductor protection fuses. Its flush end terminals and UNC thread design allow it to integrate seamlessly with a variety of industrial fuse blocks and busbar assemblies used in power conversion and motor control applications.

Applications

• Protection of semiconductor devices such as thyristors and diodes.
• Power conversion systems including inverters and rectifiers.
• Industrial motor drives and variable speed controllers.
• Renewable energy systems requiring reliable high-speed fuse protection.
• General industrial electrical installations demanding high breaking capacity fuses.

Common Search Terms

High-speed fuse, Protistor fuse, semiconductor protection fuse, size 32 fuse, 400A fuse, 690VAC fuse, 700VAC fuse, aR fuse, industrial fuse, square body fuse, striker fuse, flush end fuse, UNC thread fuse.