MERSEN FUSE A070 URD 33 TTI 0630 A070URD33TTI0630

Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 630A With Striker Flush ends UNC threads A070UD33TTI630?

Engineered for high reliability in critical power applications, this high-speed fuse delivers rapid fault interruption up to 630A at 690VAC (IEC) and 700VAC (UL). The aR characteristic ensures optimal semiconductor protection, minimising equipment downtime and safeguarding sensitive devices.

Featuring flush striker ends and robust UNC threaded terminals, installation is secure and straightforward in demanding environments. The Square Body Protistor® design offers proven performance and long service life, making it a dependable choice for industrial and power electronic systems.

Technical Specifications

• Item number: Z300448
• Catalogue No: A070UD33TTI630
• Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 630A With Striker Flush ends UNC threads
• EAN/UPC Code: 3605340328554
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 630 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 33
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 230 kA²s
• Melting I2t: 40 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: 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: 110 W

Product Code: Z300448

Key Benefits

• High-speed aR characteristic ensures superior semiconductor protection.
• Rated for up to 630A at 690VAC (IEC) and 700VAC (UL) for versatile use.
• Flush striker ends provide clear indication of fuse operation.
• Robust UNC threaded terminals ensure secure and reliable mounting.
• Ceramic body material offers excellent insulation and durability.
• Designed for bolted mounting to withstand demanding industrial environments.

Compatibility

This fuse is compatible with Size 33 fuse holders and fuse bases designed for high-speed aR fuses. It is suitable for integration in semiconductor protection circuits within industrial power electronic systems operating at rated voltages of up to 700VAC.

Applications

• Protection of semiconductor devices such as thyristors and diodes.
• Industrial power electronic systems and drives.
• High-speed fault interruption in critical power distribution networks.
• Use in equipment requiring high breaking capacity and reliable fuse indication.

Common Search Terms

High-speed fuse, aR fuse, semiconductor protection fuse, Size 33 fuse, 630A fuse, 690VAC fuse, 700VAC fuse, Protistor fuse, flush striker fuse, UNC threaded fuse terminals, industrial fuse, ceramic body fuse.