Product Description
The Littelfuse FLSR 90 is a 90-amp, 600-volt AC Class RK5 time-delay, current-limiting fuse designed to provide reliable protection for industrial and commercial electrical systems. Built with POWR-GARD® technology, this fuse tolerates temporary overloads and inrush currents — such as those from motors and transformers — while delivering fast and dependable interruption for sustained overloads and short circuits. Ideal for motor circuits, feeders, panelboards, disconnects, and other heavy-duty applications, the FLSR 90 offers trusted performance and long service life.
Product Details
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Brand: Littelfuse
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Model / Part Number: FLSR 90
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Series: POWR-GARD® FLSR
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Amperage Rating: 90A
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Voltage Rating: 600V AC
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Fuse Class: RK5
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Fuse Type: Time-Delay, Current-Limiting
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Form Factor: Cartridge Fuse
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Interrupt Rating: High interrupting capacity for industrial environments
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Applications: Motor circuits, feeders, panelboards, disconnects, power distribution
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Condition: Used
Key Features
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Dual-element time-delay design tolerates harmless inrush currents
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Current-limiting action reduces energy let-through during fault events
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High interrupt rating for enhanced safety in industrial systems
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Durable construction for long-lasting performance
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Suitable for heavy-duty industrial and commercial electrical protection
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Compatible with standard RK5 fuse holders
