MERSEN FUSE 10 URD 73 EF 0900 10URD73EF0900

Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 900A With Striker Open Slot Blades PC73UD10C900EF?

The PC73UD10C900EF high-speed fuse is engineered for precise circuit protection in demanding industrial and power electronics applications. Its robust square body design ensures reliable performance, while the open slot blade terminals and integral striker facilitate straightforward installation, clear visual indication, and efficient system integration.

Certified to IEC and UL standards, this fuse offers up to 1000VAC (IEC) and 1100VAC (UL) and a 900A current rating, delivering superior safety, rapid fault interruption, and dependable safeguarding of sensitive semiconductor devices in critical environments.

Technical Specifications

• Item number: E300637
• Catalogue No: PC73UD10C900EF
• Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 900A With Striker Open Slot Blades
• EAN/UPC Code: 3605340331417
• Rated voltage AC UL: 1100 V
• Rated voltage AC IEC: 1000 V
• Ampere Rating: 900 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 73
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 1440 kA²s
• Melting I2t: 250 kA²s
• AC Max I.R./Breaking Capacity: I1: 167 kA
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Copper
• Connection/Terminal Type: Open Slot Blades
• Product Width: 73 mm
• Product Length: 149.4 mm
• Product Height: 78.5 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 1.11 kg
• Sell Pack Width: 110 mm
• Sell Pack Length: 180 mm
• Sell Pack Height: 80 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 1.11 kg
• Power Dissipation at Rated Current Value: 170 W

Product Code: PC73UD10C900EF

Key Benefits

• High-speed aR characteristic ensures rapid fault interruption to protect sensitive semiconductor devices.
• Certified to both IEC and UL standards for global compliance and safety assurance.
• Robust ceramic body provides excellent insulation and durability under demanding conditions.
• Integral striker indication system offers clear visual confirmation of fuse operation.
• Silver-plated copper open slot blade terminals allow for secure and easy bolted mounting.
• High breaking capacity of 167 kA at rated voltage enhances system protection against short circuits.

Compatibility

This fuse is compatible with industrial and power electronics equipment requiring semiconductor protection fuses of size 73 with a rated current of 900A and voltage ratings up to 1100VAC (UL) and 1000VAC (IEC). It is suitable for bolted mounting fuse holders designed for Protistor® fuses with open slot blade terminals.

Applications

• Protection of power semiconductor devices such as thyristors, diodes, and transistors in industrial drives.
• High-speed circuit protection in power electronics and inverter systems.
• Use in medium and high voltage electrical distribution systems requiring fast-acting fuses.
• Protection of critical industrial machinery and automation equipment.

Common Search Terms

High-speed fuse, Protistor fuse, semiconductor protection fuse, size 73 fuse, 900A fuse, 1000VAC fuse, 1100VAC fuse, aR fuse, bolted mounting fuse, striker indication fuse, industrial fuse, power electronics fuse.