Class R Fuse Reducer - R for Electrical Circuit Protection

Mersen Class R Fuse Reducer allows the use of lower rated fuses in existing equipment with clips rated for higher amperes. This product is designed to improve circuit protection by enabling the use of time-delay fuses sized closer to the motor nameplate current, particularly useful for renewable or one-time fuses feeding motors. It is suitable for electrical distributors and switchgear suppliers seeking reliable fuse adaptation solutions for 600V Class R fuse clips. The reducer is not intended for bolt-on applications and supports improved fuse compatibility within industrial electrical systems.

Specifications

• Manufacturer: Mersen
• Manufacturer Part #: R266
• Class: R
• Voltage Rating: 600 Volt Class R fuses
• Amperage Range: Allows 60A fuse to fit 200A clips
• Dimensions: 2.65 in (Length) x 1.13 in (Width) x 1.13 in (Height)
• Product Weight: 0.5058 lbs
• UPC: 782001752484

Features

• Enables use of lower rated fuses in clips with higher ampere ratings
• Improves circuit protection with closer rated time-delay fuses
• Non-rejection and rejection types available; this model is rejection-type for Class R clips
• Allows only Class R fuses to fit Class R clips
• Not suitable for bolt-on applications
• Tested to 200,000A short-circuit rating
• UL Listed Guide No. IZZR and CSA Certified

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