Littelfuse LRU2661R Class R Fuse Reducer – 600A to 100A – 250/600VAC – Reducing Adapter
Couldn't load pickup availability
Ask an expert
The Littelfuse LRU2661R is a Class R fuse reducer designed to allow safe use of lower-amperage fuses in higher-rated Class R fuse holders. It reduces a 600A fuse holder capacity down to accommodate 100A Class R fuses, improving flexibility in system design and reducing the need for multiple fuse block sizes.
Voltage and Rating
- Current Rating: 100 Amps (reduced from 600A holder rating)
- Voltage Rating: 250/600 Volts AC
- Fuse Class: Class R
Key Specifications
- Product Type: Fuse Reducer
- Series: LRUR
- Compatibility: Designed for use with Littelfuse FLNR_ID/FLSR_ID, IDSR, LLNRK/LLSRK, and KLNR/KLSR series fuses
- Reduction Range: 600A fuse holder reduced to 100A fuse capacity
- Mounting Type: Class R fuse holder adapter
Technical Specifications
- Function: Current rating reduction adapter for fuse holders
- Construction: High-strength insulating and conductive materials for secure fit
- Application: Enables use of lower amp Class R fuses in higher-rated fuse bases
- Safety Design: Ensures correct alignment and secure electrical contact
Product Data
- Manufacturer: Littelfuse
- Model Number: LRU2661R
- Series: LRUR Fuse Reducer Series
Features
- Reduces inventory complexity across multiple fuse sizes
- Enables flexible use of Class R fuses in larger-rated holders
- Maintains safe and reliable electrical connection
- Compatible with multiple Littelfuse RK1 and RK5 fuse families
- Ideal for industrial control panels, MCCs, and power distribution systems
- Type Fuses
- Vendor Littelfuse
- Brand Littelfuse
Returns are easy
You may return items within 30 days of delivery for a refund.
FREE Shipping on orders over $149.
My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.