Eaton Bussmann 90EET High Speed British Standard Fuse, 90A 690V, Class aR Offset Bolted Tags - Pack of 5

The Eaton Bussmann 90EET is a premium high-speed British Standard (BS88) fuse tailored for the rigorous demands of semiconductor protection. Engineered with a compact double-barrel design and offset bolted tags, this fuse provides exceptional current-limiting capabilities and ultra-low I²t let-through. It is an ideal high-reliability solution for protecting power electronic components such as diodes, thyristors, and IGBTs in modern industrial conversion equipment.

Key Features

• Precision Semiconductor Protection: Utilization category aR ensures a high-speed response to short-circuit events, safeguarding sensitive power semiconductors from thermal damage.
• High Interrupting Capacity: Rated for a massive 200 kA RMS Symmetrical at 690 VAC and 50 kA at 500 VDC, providing superior protection against high-energy fault currents.
• Enhanced Efficiency: Optimized to minimize operational costs with a low watt loss of only 19W and refined energy management (Pre-arc I²t of 490).
• Mechanical Integrity: Features a robust double-barrel body and offset bolted tag configuration for easy integration into high-density busbar environments and power converters.
• Compliance & Reliability: Manufactured to BS88 part 4 and IEC 60269-4 standards. This product is CE marked and RoHS compliant, ensuring meet global safety and environmental requirements.

Technical Specifications

• Manufacturer: Eaton Bussmann
• Catalog Number: 90EET
• Amperage Rating: 90A
• Voltage Ratings: 690 VAC / 500 VDC (IEC); 700 VAC / 500 VDC (UL)
• Utilization Category: aR (High Speed)
• Breaking Capacity: 200 kA AC / 50 kA DC
• Power Dissipation (Watt Loss): 19W
• Total Clearing I²t: 4500 (at 660V)
• Dimensions: 94 mm (Length) x 36 mm (Height) x 20 mm (Width)
• Mounting Type: Stud Mount (Offset Bolted Tags)
• Application: Power converters, rectifiers, DC common bus, and DC drives.
• Package Quantity: 5 Pieces