Mersen Fuse Reducers Allow The Use Of Lower Rated Fuses In Existing Equipment Having Clips With Higher Ampere Ratings. The Use Of Closer Rated Time-Delay Fuses Can Improve Circuit Protection. For Example, Renewable or One-Time Fuses Feeding A Motor Can Be Replaced With Fuses Sized Closer to The Motor Nameplate Current. Non-Rejection Reducers Will Allow Class H, K or R Fuses to Fit Class H or K Clips. Rejection-Type Reducers Will Allow Only Class R Fuses to Fit Class R Clips or Only Class J Fuses to Fit C