Fuse Holders & Blocks

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 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 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 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 Class J 60A Fuse Base Adder Block, Tin-Plated Copper ClipThe Mersen Class J 60A Fuse Base Adder Block is a 600V-rated fuse base engineered for use with AJT, A4J, and HSJ Class J fuses. This...

Mersen Class CC Reinforced Fuse Block, 30A 600VAC/600VDCThe Mersen Class CC Reinforced Fuse Block delivers reliable overcurrent protection for industrial and commercial electrical systems, rated...

Mersen Class H/K Box Lug Fuse Block, 250VAC/250VDCMersen Class H/K fuse blocks accommodate Class H and K 250V power fuses in a rugged box lug connector design rated 250VAC/250VDC for dependable AC/DC...

Mersen Class J Fuse Block, 600A 3-Pole, 600VAC/600VDC PhenolicThe Mersen Class J Fuse Block is a heavy-duty 3-pole fuse block rated 600A at 600VAC/600VDC, engineered for 200-600A bladed Class J fuses...

Mersen Class J Fuse Block, 600VAC/600VDC, 60A, 3-Pole, Box ConnectorMersen's Generation 2 open-style Class J fuse block accommodates Class J fuses from 0-100A at 600V, giving panel builders a...

Mersen 20308R Class R Fuse Block, 30A 3-Pole 250VAC/250VDCThe Mersen 20308R Class R Fuse Block delivers reliable overcurrent protection with a 30A ampere rating in a 3-Pole configuration rated for...

Mersen Class R Fuse Block, Box Connector, Glass Filled PolycarbonateThe Mersen Class R Fuse Block delivers dependable circuit protection for demanding electrical systems, featuring a box connector...

Mersen F331159 UltraSafe Fuse Holder, 125A 800VAC/1000VDC 1-PoleThe Mersen F331159 UltraSafe Fuse Holder delivers professional-grade circuit protection rated 125A for both 800VAC and 1000VDC...