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Fuse Blocks & Holders / Semiconductor Fuse Blocks
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Mersen's extensive line of fuses is matched by our selection of fuse blocks and holders. Choose from a wide range of traditional and space-saving fuse blocks, panel-mount and in-line holders, modular semiconductor fuse holders and more.


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Ferrule Fuse Blocks for 14x51mm Fuses - 703, U705 Series
750V SEMICONDUCTOR FUSE HOLDERS Ferraz Shawmut Semiconductor Fuse Holders feature open face styles. Each version is rated 750 volts and accommodates 14 x 51mm or 22 x 58 mm fuses. 703, U705 and U710 holders feature Ferraz Shawmut's unique adder-block design which can be snapped onto 1-, 2-, or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. A choice of box, screw, or …more
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Ferrule Fuse Blocks for 22x58m Fuses - U710 Series
Ferraz Shawmut Semiconductor Fuse Holders feature open face styles. This version is rated 750 volts and accommodates 22 x 58 mm fuses. U710 holders feature Ferraz Shawmut’s unique adder-block design, which can be snapped onto 1-, 2-, or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. A choice of box, screw or pressure plate connectors is offered to fi …more
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Stud Type Fuse Blocks - P243 Series
Ferraz Shawmut P243 series fuse blocks for Form 101 fuses are glass-filled polycarbonate or laminated phenolic insulator blocks with studs to accommodate bolt-in fuses.  All studs, clips and mounting hardware are tin or zinc plated. …more
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Stud Type Fuse Blocks - P266 Series
Ferraz Shawmut P266 series fuse blocks for Form 101 fuses are glass-filled polycarbonate or laminated phenolic insulator blocks with studs to accommodate bolt-in fuses.  All studs, clips and mounting hardware are tin or zinc plated. …more
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Clip Type Fuse Block - P292 Series
Ferraz Shawmut P292 series has a laminated phenolic insulator base with fuse clips. All studs, clips and mounting hardware are tin or zinc plated. …more
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Stud Type Fuse Blocks - FH Series
Ferraz Shawmut FH series fuse blocks for Form 101 fuses are blocks with studs to accommodate bolt-in fuses. …more
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Modular Stud Type Fuse Blocks - 1MSC Series
Ferraz Shawmut 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 integeral box connector versions also provide for greater heat dissipation. All modular blocks are supplied in pairs but need to be o …more
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Modular Stud Type Fuse Blocks - 1SC Series
Ferraz Shawmut 1SC 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 integeral box connector versions also provide for greater heat dissipation. All modular blocks are supplied in pairs but need to be ordered as …more