Fuse Blocks
Fuse Blocks from National Fuse Products
Fuse blocks are an integral component of protecting electrical systems, and National Fuse Products carries a generous line of different brands, styles and sizes. Choose from Bussmann, Littelfuse, Mersen/Ferraz/Shawmut, Marathon, and Ferraz/Gould/Shamut brand fuse blocks, ranging from low amperage ratings to high, and covering every level of voltage. From light to heavy duty fuse block requirements, National Fuse Products will help guide you to the part you need.
National Fuse Products offers a full selection of fuse blocks and fuses, fuse products and more, all available 24 hours a day in our online shop, by phone at 866-567-9358 or at our office at 19100 Old Detroit Road, in Rocky River, Ohio. Contact the experts at National Fuse Products for assistance in choosing the correct fuse block at the right price point for your home or business.
National Fuse Products maintains competitive pricing no matter how large or small a fuse block order may be. Our outstanding customer service record guarantees you personalized care and attention when you contact us about buying fuse blocks online, by phone, by email or in person. You can rest assured that your fuse block order will be processed accurately and efficiently when you use National Fuse Products.
Showing 1–16 of 277 results
-
177.5731.0001
FUSE BASE WITH HEX NUTS
$14.95 Add to cart -
1MSC103
400A 600V SET BLOCK 400A 600V 1 P0LE PAIR SEMICONDUCTOR FUSE BLOCK MERSEN 1SC AND 1MSC SEMICONDUCTOR FUSE BLOCKS FEATURE MODULAR MOUNTING THAT OFFERS GREATER FLEXIBILITY IN ADJUSTING TO VARIOUS FUSE LENGTHS. BOTH STUD TYPE AND INTEGRAL BOX CONNECTOR VERSIONS ARE OFFERED TO ALLOW FOR USER PREFERENCE OF WIRE TERMINATIONS. THE INTEGRAL BOX CONNECTOR VERSIONS… Read more »
$157.20 Add to cart -
1SC250
MODULAR FUSEBLOCK Mersen 1SC and 1MSC semiconductor fuse blocks feature modular mounting that offers greater flexibility in adjusting to various fuse lengths. Both stud type and integral box connector versions are offered to allow for user preference of wire terminations. The integral box connector versions also provide for greater heat dissipation. Mounting hardware is supplied… Read more »
$27.11 Add to cart -
1SC375
800A 1000V MODULAR Mersen 1SC and 1MSC semiconductor fuse blocks feature modular mounting that offers greater flexibility in adjusting to various fuse lengths. Both stud type and integral box connector versions are offered to allow for user preference of wire terminations. The integral box connector versions also provide for greater heat dissipation. Mounting hardware is… Read more »
$29.56 Add to cart -
20306R
30A 250V 1P CLASS R Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$20.18 Add to cart -
20307R
30A 250V 2P CLASS R Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$35.20 Add to cart -
20308
30A 250V 3P H BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$53.86 Add to cart -
20308R
30A 250V 3P BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate (GFPC)… Read more »
$51.64 Add to cart -
20318
30A 250V 3P H/K BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$30.77 Add to cart -
20607R
60A 250V 2P CLASS R Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$47.76 Add to cart -
20608R
60A 250V 3P R FUSE BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled… Read more »
$63.12 Add to cart -
21037R
100A 250V 2P R FUSE BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled… Read more »
$106.81 Add to cart -
21038R
100A 250V 3P FUSE BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$140.87 Add to cart -
22001R
200A 250V 1P R FUSE BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled… Read more »
$153.48 Add to cart -
22003R
200A 600V 3P R BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$490.74 Add to cart -
24001R
400A 250V 1P R BLOCK Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate… Read more »
$526.10 Add to cart
