Shop All Mersen

"Mersen 132 Class H & K Non-Rejection Fuse ReducerThe Mersen Class H & K Non-Rejection Fuse Reducer family lets electricians and maintenance teams fit lower-rated Class H, K, or R fuses into existing...

Mersen 162 Class H & K Fuse Reducer, 600VThe Mersen 162 Class H & K Fuse Reducer allows electricians to safely downsize Class H and K fuse holders for smaller fuse installations, maintaining a 600...

Mersen 20305R Class R Fuse Block Adder Box, Reinforced ClipThe Mersen 20305R Class R Fuse Block Adder Box is engineered to accommodate Class R 250 and 600V power fuses within Mersen's broader Class...

Mersen 20316 Class H/K Fuse Block, 250V AC/DC Screw ConnectorThe Mersen 20316 Class H/K fuse block family is engineered to accommodate Class H and K power fuses rated 250VAC/250VDC, using a direct...

"Mersen 20355 Class H/K Fuse Block Adder, Copper Box Connector, 250VAC/250VDCThe Mersen 20355 Class H/K fuse block adder is engineered to accommodate Class H, K and R power fuses rated up to 250V,...

Mersen 21037 Class H/K 100A Fuse Block, Copper Box ConnectorThe Mersen 21037 Class H/K 100A Fuse Block accommodates Class H, K and R power fuses rated up to 250V AC/DC, making it a dependable choice...

Mersen 30322R Class CC Fuse Block, 1-3 Pole, 600VAC/600VDCThe Mersen 30322R Class CC Fuse Block is engineered to accommodate all 30A Class CC fuses in industrial and commercial power distribution...

Mersen 30323R Class CC Fuse Block, 600VAC/600VDC 30A 3-Pole, Reinforced ClipThe Mersen 30323R Class CC Fuse Block delivers dependable overcurrent protection with dual 600VAC/600VDC voltage capability...

Mersen 30351 Class CC Midget Fuse Block, Copper Box ConnectorThe Mersen Class CC Midget Fuse Block is built to accommodate all 30A, 1-1/2" x 13/32" midget fuses as well as all 30A Class CC fuses,...

Mersen 60300J Class J Fuse Base, Reinforced Clip, Tin-Plated CopperThe Mersen 60300J is an open-style Class J fuse base built to accept fuses rated up to 30A at 600V AC/DC, providing a dependable...

Mersen 60301J Class J Fuse Base, 600V 30A Tin-Plated Box ConnectorThe Mersen 60301J Class J Fuse Base is a 600V, 30A fuseholder engineered for AJT, A4J, and HSJ Class J fuses used in industrial and...

Mersen 60308R Class R Fuse Block, 600VAC/600VDC 30A 3-PoleThe Mersen 60308R Class R Fuse Block delivers reliable 30A overcurrent protection for both AC and DC circuits rated up to 600VAC/600VDC...

Mersen 60308SJ Class J Fuse Base, 600V 30A 3-Pole, Tin-Plate AluminumThe Mersen 60308SJ is a 3-pole Class J fuse base rated 600V and 30A, built with a tin-plate aluminum box and a reinforced clip for...

Mersen 60600 Class H/K Adder Box Fuse Block, 60A 250VAC/250VDCThe Mersen 60600 Class H/K Adder Box Fuse Block is engineered to accept Class H and K power fuses rated 250VAC/250VDC, with a snap-on...

Mersen 60608R Class R Fuse Block, 60A 3-Pole, 600VAC/600VDCThe Mersen 60608R Class R Fuse Block delivers dependable overcurrent protection for industrial and commercial electrical systems, combining...

Mersen 61038R Class R Fuse Block, 600VAC/600VDC 100A 3-Pole, Reinforced ClipThe Mersen 61038R Class R Fuse Block delivers reliable overcurrent protection for industrial and commercial electrical...

Mersen 62003J Class J Fuse Block, 200A 3-Pole, 600VAC/600VDCThe Mersen 62003J Class J Fuse Block delivers 200A overcurrent protection at 600VAC/600VDC in a 3-Pole configuration for demanding...

Mersen 632 Class H & K Fuse Reducer, 600VAC/600VDC Rated, 50kA SCCRThe Mersen 632 Class H & K Fuse Reducer allows Class H and K fuse clips to accept smaller fuse sizes, making it a practical solution...

Mersen 636 Class H & K Fuse Reducer, 600V RatedThe Mersen 636 Class H & K Fuse Reducer is built for industrial and commercial electrical systems that require dependable fuse holder reduction between...

Mersen 6633R Class R 3-Pole Box Connector Fuse Block, 600VThe Mersen 6633R Class R 3-Pole Box Connector Fuse Block is engineered to accommodate Class R power fuses in demanding industrial and...

Mersen 6X32QC1 Miniature Fuse Block, 250VAC 15A Quick-Connect TerminalsThe Mersen 6X32QC1 Miniature Fuse Block delivers reliable single-pole circuit protection rated 250 VAC at 15A, engineered for...

Mersen 70306 30A 1-Pole Fuse Block, 750VAC/750VDC Screw MountThe Mersen 70306 is a 30A 1-Pole fuse block engineered for reliable overcurrent protection in both AC and DC circuits, backed by a dual...

Mersen 70308 3-Pole Semiconductor Fuse Block, 750VAC/750VDC 30AThe Mersen 70308 3-Pole Semiconductor Fuse Block delivers dependable circuit protection for demanding semiconductor applications with...

Mersen A15QS20 High-Speed Fuse, 20A 150VAC/150VDC Ferrule TerminalThe Mersen A15QS20 High-Speed Fuse delivers reliable circuit protection for AC/DC applications up to 150V with a 20A current rating...