MERSEN FUSE 6,9 URD 33 TT F 0900 6,9URD33TTF0900

Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Flush ends metric threads PC33UD69V900TF?

The Square Body High-Speed Fuse Protistor® Size 33 delivers reliable circuit protection for high-power applications, supporting up to 900A at 690VAC (IEC) and 700VAC (UL) ratings. Flush ends with metric threads enable straightforward installation and integration into compact, high-density assemblies.

Equipped with a built-in striker, this fuse offers dependable indication of operation, simplifying fault detection and maintenance. Rigorously tested to IEC and UL standards, it is optimised for the protection of critical semiconductor components in demanding industrial environments.

Product Code: A300081

Key Benefits

• High-speed aR characteristic ensures rapid disconnection of fault currents, protecting sensitive semiconductor devices.
• Flush ends with metric threads facilitate secure and compact mounting in bolted fuse holders.
• Built-in striker provides clear indication of fuse operation for easy maintenance and fault diagnosis.
• Robust ceramic body material offers excellent insulation and durability under high electrical and thermal stress.
• Compliant with IEC and UL standards, guaranteeing reliable performance in international applications.

Compatibility

This fuse is compatible with bolted mounting fuse holders designed for Size 33 fuses with flush end terminals and metric threads. It is suitable for use in industrial electrical systems requiring high-speed semiconductor protection at voltages up to 700VAC (UL) and 690VAC (IEC).

Applications

• Protection of power semiconductor devices such as thyristors, diodes, and transistors in industrial drives.
• High-power electrical installations requiring fast-acting circuit protection.
• Renewable energy systems including solar inverters and wind turbine converters.
• Motor control centres and variable frequency drives.
• General industrial machinery and automation equipment.

Technical Specifications

• Item number: A300081
• Catalogue No: PC33UD69V900TF
• Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Flush ends metric threads
• EAN/UPC Code: 3605340323214
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 900 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 33
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 770 kA²s
• Melting I2t: 130 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: 2.4168 kg
• Sell Pack Width: 85 mm
• Sell Pack Length: 245 mm
• Sell Pack Height: 95 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.8056 kg
• Power Dissipation at Rated Current Value: 120 W

Common Search Terms

High-speed fuse, semiconductor protection fuse, Size 33 fuse, aR fuse, 900A fuse, 690VAC fuse, 700VAC fuse, fuse with striker, flush end fuse, bolted fuse, ceramic body fuse, industrial fuse, power semiconductor protection.