Browse Semiconductor Fuses
Mersen (formerly Ferraz Shawmut) semiconductor fuses distributed by Gross Automation. Select a product below for specifications, datasheets, and ordering information.
Mersen semiconductor fuses provide high-speed overcurrent protection for power semiconductors including SCRs, thyristors, diodes, IGBTs, and other solid-state devices. Available in square body, cylindrical, and blade-style configurations with extremely fast clearing times.
75 Products in Semiconductor Fuses
1250 & 1300 Volt Semiconductor Fuses
Ferraz Shawmut 1250/1300V PSC fuse-links provide maximum flexibility in equipment design and ultimate protection for today’s power conversion equipment. These square body fuse-links are available in four different body sizes, each size having seven worldwide acceptable mounting styles. The different mounting styles and body sizes long with a broad range of ampere ratings allow greatest flexibility in equipment design.
690 & 700 Volt Semiconductor Fuses
Ferraz Shawmut 690/700V PSC fuse-links provide maximum flexibility in equipment design and ultimate protection for today’s power conversion equipment. These square body fuse-links are available in four different body sizes, each size having seven worldwide acceptable mounting styles. The different mounting styles and body sizes long with a broad range of ampere ratings allow greatest flexibility in equipment design.
A070gRB Series / 700V / Size 10x38
The A070gRB is a fast acting, full range fuse utilized in the protection of inverters, UPS and other discrete semi-conductor devices.
A100P / 1000V
A100P Amp-trap® Form 101 Semiconductor Protection fuses are rated 1000V, extending the range of protection for UPS systems, AC and DC drives, reduced voltage motor starters and similar applications where lower I2t and superior reliability are needed. With ratings from 15 through 1000 amperes, a wide range of high voltage applications can be served.
A120X / 1200V
A120X Amp-trap® Form 101 Semiconductor Protection fuses, rated 1/2A through 30A, 1200VAC are popular for use in traction drive auxiliary circuits and similar applications. A120X fuses are also suitable for use on 1000VDC auxiliary circuits with low time constants.
A150X / 1500V
A150X Amp-trap® Form 101 Semiconductor Protection fuses, rated 1A through 1000A, 1500VAC are popular for use in traction drive auxiliary circuits and similar applications. A150X fuses are also suitable for use on 1500VDC auxiliary circuits with low time constants.
A15QS Series / 150V
A15QS Amp-trap® Form 101 Semiconductor Protection fuses were designed for the specific protection of diodes and other semiconductor devices rated 150VAC/DC.The A15QS product line's compact design is perfect for those applications that have limitations on available space.
A15QS Series / 150V
A15QS Amp-trap® Form 101 Semiconductor Protection fuses were designed for the specific protection of diodes and other semiconductor devices rated 150VAC/DC.The A15QS product line's compact design is perfect for those applications that have limitations on available space.
A25Z-2 Series / 300VAC Semiconductor Protection
A25Z "Type 2" Amp-trap midget fuses are primarily used for semiconductor protection. They have a 300V rating and are highly current-limiting fuses, with midget dimensions. (Not for Branch Circuit Protection).
A30QS Series / 300V
A30QS Amp-trap® Semiconductor Protection fuses areintended for the protection of Power Semiconductorssuch as Diodes, Phase Control SCR's and other power Semiconductor devices. The A30QS isrecommended fornew applications providing solutions for your criticalprotection needs at 300V and less semiconductors.
A30QS Series / 300V
A30QS Amp-trap® Semiconductor Protection fuses areintended for the protection of Power Semiconductorssuch as Diodes, Phase Control SCR's and other power Semiconductor devices. The A30QS isrecommended fornew applications providing solutions for your criticalprotection needs at 300V and less semiconductors.
A50P / 500V
A50P Amp-trap® Form 101 Semiconductor Protection fuses were developed for DC drives, uninterruptable power supplies and similar applications requiring better protection (lower I2t) and superior reliability. The A50P is typically used for replacement.
A50QS Series / 500V
A50QS Amp-trap® Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection features lower I2t to provide better protection for equipment, longer life when subjected to cyclic loading and lower watts loss. A50QS is today's best choice for the protection of dynamic solid state equipment such as motor drives,inverters, UPS, etc.
A50QS Series / 500V
A50QS Amp-trap® Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection features lower I2t to provide better protection for equipment, longer life when subjected to cyclic loading and lower watts loss. A50QS is today's best choice for the protection of dynamic solid state equipment such as motor drives,inverters, UPS, etc.
A60Q Series / Size 10x38 / 600V
A60Q Amp-trap® Form 101 Semiconductor Protection fuses feature the only 600 volt AC/DC rating in the industry of similar size (1-1/2" x13/32") fuses protecting semiconductors. A60Q also has the lowest I2t of all similar fuses and excellent cycling ability. Applications include inverters and small equipment requiring extremely fast response to faults, without the need to carry sustained heavy overloads.
A60X / 600V
A60X Amp-trap® Form 101 Semiconductor Protection fuses are popular for the protection of higher voltage heavy rectifiers such as traction rectifiers. They can carry long sustained overloads common with heavyduty apparatus. 700A through 2000A sizes are of compact, hockey-puck design, able to provide highpower protection in a small space.
A70P / 700V
A70P Amp-trap® Form 101 Semiconductor Protection fuses were developed for higher voltage AC and DC drives, UPS systems, reduced voltage motor starters and similar applications where lower I2t and superior reliability were needed. A70P is a very popular fuse, available in a wide range of ratings.
A70Q / 700V
A70Q Amp-trap® Semiconductor Protection fuses were developed for inverter applications requiring extremely low I2t. A70Q fuses provide the most responsive protection for applications not required to sustain heavy overloads.
A70QS Series / Size 14x51 & 22x58 / 700V
These Premium Amp-trap® French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior low I2t for improved protection and performance.
A70QS Series / Size 14x51 & 22x58 / 700V
These Premium Amp-trap® French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior low I2t for improved protection and performance.
A70QS Series / 700V
A70QS Amp-trap® Semiconductor Protection fuses were developed in response to the need for improved overall performance of 700 volt semiconductor fuses for new equipment requirements. A70QS fuses have lower I2t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. A70QS is the best choice to protect dynamic solid state equipment such as motor drives, UPS, etc.
A70QS Series / 700V
A70QS Amp-trap® Semiconductor Protection fuses were developed in response to the need for improved overall performance of 700 volt semiconductor fuses for new equipment requirements. A70QS fuses have lower I2t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. A70QS is the best choice to protect dynamic solid state equipment such as motor drives, UPS, etc.
AOS-S / AOS-Q
Add-On-Switches contain one single-pole doublethrow contact rated 4 amperes resistive and 1 ampere inductive at 250V AC maximum. Two versions of the Add-On-Switch are available. Catalog number AOS-S has screw terminals. Catalog number AOS-Q accommodates push-on connectors.
Semiconductor Fuses / British Standard
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
Class CC Open Style (303 Series)
Class CC Fuse Blocks accommodate all 30 ampere Class CC fuses. A choice of box, screw, or pressure-plate connectors fit a wide range of stranded or solid copper wire. Insulators are glass-filled polycarbonate (GFPC) with verified dielectric strength in excess of 2500V. Fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper alloy.
Class G Fuse Blocks
Ferraz Shawmut Class G Fuse Blocks accommodate all 15, 20, 30 and 60 ampere Class G fuses. A choice of box, screw or pressure-plate connectors fit a wide range of stranded or solid copper wire. Insulators are glass-filled polycarbonate (GFPC) with verified dielectric strength in excess of 2500V. Fuse blocks feature a unique adder block which can be snapped onto 1-, 2-, or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper alloy.
Class H Fuse Blocks - 250V
Ferraz Shawmut Class H Fuse Blocks accommodate all Class H and K 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class H Fuse Blocks - 600V
Ferraz Shawmut Class H Fuse Blocks accommodate all Class H, K, and R 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class J Fuse Blocks
Ferraz Shawmut Class J Fuse Blocks accommodate all Class J 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) or phenolic with verified dielectric strength in excess of 2500V. 30 and 60A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class K Fuse Blocks - 250V
Ferraz Shawmut Class K Fuse Blocks accommodate all Class H and K 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class K Fuse Blocks - 600V
Ferraz Shawmut Class K Fuse Blocks accommodate all Class H and K 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class R Fuse Blocks - 250V
Ferraz Shawmut Class R Fuse Blocks accommodate all Class R 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Class R Fuse Blocks - 600V
Ferraz Shawmut Class Ruse Blocks accommodate all Class R 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) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper, with a choice of spring reinforced or non-spring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Fuse Blocks & Holders / Class CC / Midget Fuse Holders
Ferraz Shawmut'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.
D Type (DIAZED) / Fuse Links & Screw Cap Holders
Ferraz Shawmut D fuse-links, also called Diazed type, are 500 Volts AC rated with 75kA interrupting rating. They have 4 physical sizes, DI, DII, DIII, and DIV and fit into special screw caps. All fuse-links have blownfuse indicators which are visible through the screw cap. Screw caps fit onto single pole bases which are screw or DIN rail mounted. Accessories such as covers, adapter rings, and gauge rings are described.
Semiconductor Fuses / DC Rated Fuses
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
DCT Series / 1000V / Size 10x38
Ferraz Shawmut DCT fuses were developed to meet requirements coming from new applications such as protection of Photovoltaic cells, multi meters and compact on board traction equipment for auxiliary circuits. This high performance DC fuse in its compact size offers multiple competitive advantages particularly for international applications where DC voltage requirements are above 600V DC.
Part Numbers
The DIN rail adapter, DRM, provides quick mounting for all Ferraz Shawmut 303 Series Midget and Class CC fuse blocks to all symmetrical 35mm DIN or asymmetrical 32mm “G” rail. A DRM adapter is attached to each pole with the screw provided. The DRM is molded of black polycarbonate and is mounted or dismounted from the rail simply by depressing the finger pull.
DO Type (NEOZED) / Fuse Links & Screw Cap Holders
Ferraz Shawmut DO fuse-links, also called Neozed type, are 400 Volts AC rated with 100kA interrupting rating. They have 3 physical sizes, DO1, DO2, and DO3 and fit into special screw caps. All fuse-links have blown-fuse indicators which are visible through the screw cap when mounted. Screw caps fit onto single and three-pole bases which are screw or DIN rail mounted. Accessories such as covers and gauge rings are described.
Semiconductor Fuses / European Cylindrical Style
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
Semiconductor Fuses / European DIN Fuses
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
Semiconductor Fuses / European Square Style
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
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 pressure plate connectors is offered to fit a wide range of stranded or solid copper wire. All versions have verified dielectric strengths in excess of 2500V. A patented built-in DIN rail adapter on the U710 blocks adds further design versatility. All fuse clips are made of high conductivity tin-plated copper with spring reinforced clips.
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 fit a wide range of stranded or solid copper wire. All versions have verified dielectric strengths in excess of 2500V. A patented built-in DIN rail adapter on the U710 blocks adds further design versatiltiy. All fuse clips are made of high conductivity tin-plated copper with spring reinforced clips.
Fuse Blocks & Holders / Accessories
Ferraz Shawmut'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.
Fuse Blocks & Holders / Glass Fuse Blocks
Ferraz Shawmut'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.
Fuse Blocks & Holders / Glass Fuse Holder
Ferraz Shawmut'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.
440VDC Size 14x51, 22x58, 27x60 gLB Cylindrical Fuses
DC Rated Ferrule fuses designed to interrupt very high fault currents and are recommended for general purpose and semiconductor protection in DC Circuits.
GPM-A
Ferraz Shawmut GPM-A series Panel Mount Fuse Holders will accommodate 5mm x 20mm fuses; most are approved by U.L. and CSA. Cap and body material is bakelite or polycarbonate and function a screw-in or bayonet style closure. Finger-grip or screwdriver slots are available. All holders are rated for up to 250 volts with amp ratings ranging from 3A to 10A.
GPM-G
Ferraz Shawmut GPM-A series Panel Mount Fuse Holders will accommodate 5mm x 20mm fuses; most are approved by U.L. and CSA. Cap and body material is bakelite or polycarbonate and function a screw-in or bayonet style closure. Finger-grip or screwdriver slots are available. All holders are rated for up to 250 volts with amp ratings ranging from 3A to 10A.
1000VDC Size 20x127 gRB Cylindrical Fuses
DC Rated Ferrule fuses designed to interrupt very high fault currents and are recommended for general purpose and semiconductor protection in DC Circuits.
1500VDC Size 20x127 gRB Cylindrical Fuses
DC Rated Ferrule fuses designed to interrupt very high fault currents and are recommended for general purpose and semiconductor protection in DC Circuits.
660VDC Size 27x60 gRB Cylindrical Fuses
DC Rated Ferrule fuses designed to interrupt very high fault currents and are recommended for general purpose and semiconductor protection in DC Circuits.
HSJ Series / Class J / High Speed
The High Speed J (HSJ) combines the low I2t of a semiconductor fuse and the branch circuit performance of a Class J UL listed fuse. This fuse was designed for the starting characteristics of solid state motor controllers. The HSJ can provide branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCR’s, GTO’s and SSR’s.
HSJ Series / Class J / High Speed
The High Speed J (HSJ) combines the low I2t of a semiconductor fuse and the branch circuit performance of a Class J UL listed fuse. This fuse was designed for the starting characteristics of solid state motor controllers. The HSJ can provide branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCR’s, GTO’s and SSR’s.
HSRK Series / Class RK1 / High Speed
Protect your electrical power wiring and power semiconductors with a single fuse.
HSRK Series / Class RK1 / High Speed
Protect your electrical power wiring and power semiconductors with a single fuse.
Fuse Blocks & Holders / IEC Fuse Holders
Mersen Ferraz Shawmut'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.
In-Line Class CC Fuse Holders (FEC Series-Single Pole)
Ferraz Shawmut's complete line of single and dual pole in-line fuse holders accommodate Class CC fuses. The fuse holders are designed for quick installation. Securing nuts or screws are captive thus speeding installation by reducing the need to locate and assemble loose components in the field. Three internal O-rings per pole seal the fuse holder providing a water-resistant compartment for the fuse. The captive O-rings are colored (blue for single pole and red for dual pole) for quick detection. Optional cone shaped insulator boots can be slipped on to provide a watertight seal (breakaway versions come with boots standard). Both single and dual pole versions have an optional breakaway feature which safely disconnects the load in case of a pole knockdown. Fuses remain safely encapsulated within the watertight fuse holder on the load side. Once the pole has been reinstalled the fuse holder can be easily reconnected.
In-Line Class CC Fuse Holders (FEY Series-Two Pole)
Ferraz Shawmut's complete line of single and dual pole in-line fuse holders accommodate Class CC fuses. The fuse holders are designed for quick installation. Securing nuts or screws are captive thus speeding installation by reducing the need to locate and assemble loose components in the field. Three internal O-rings per pole seal the fuse holder providing a water-resistant compartment for the fuse. The captive O-rings are colored (blue for single pole and red for dual pole) for quick detection. Optional cone shaped insulator boots can be slipped on to provide a watertight seal (breakaway versions come with boots standard). Both single and dual pole versions have an optional breakaway feature which safely disconnects the load in case of a pole knockdown. Fuses remain safely encapsulated within the watertight fuse holder on the load side. Once the pole has been reinstalled the fuse holder can be easily reconnected.
Applications
Ferraz Shawmut's complete line of single and dual pole in-line fuse holders accommodate 1-1/2" x 13/32" (10x38mm) midget fuses. The fuse holders are designed for quick installation. Securing nuts or screws are captive thus speeding installation by reducing the need to locate and assemble loose components in the field. Three internal O-rings per pole seal the fuse holder providing a water-resistant compartment for the fuse. The captive O-rings are colored (blue for single pole and red for dual pole) for quick detection. Optional cone shaped insulator boots can be slipped on to provide a watertight seal (breakaway versions come with boots standard). Both single and dual pole versions have an optional breakaway feature which safely disconnects the load in case of a pole knockdown. Fuses remain safely encapsulated within the watertight fuse holder on the load side. Once the pole has been reinstalled the fuse holder can be easily reconnected.
In-Line Midget (10x38mm) Fuse Holders (FEX Series-Two Pole)
Ferraz Shawmut's complete line of single and dual pole in-line fuse holders accommodate 1-1/2" x 13/32" (10x38mm) midget fuses. The fuse holders are designed for quick installation. Securing nuts or screws are captive thus speeding installation by reducing the need to locate and assemble loose components in the field. Three internal O-rings per pole seal the fuse holder providing a water-resistant compartment for the fuse. The captive O-rings are colored (blue for single pole and red for dual pole) for quick detection. Optional cone shaped insulator boots can be slipped on to provide a watertight seal (breakaway versions come with boots standard). Both single and dual pole versions have an optional breakaway feature which safely disconnects the load in case of a pole knockdown. Fuses remain safely encapsulated within the watertight fuse holder on the load side. Once the pole has been reinstalled the fuse holder can be easily reconnected.
Fuse Blocks & Holders / Micro/Plug-in fuse holders
Ferraz Shawmut'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.
Midget Open Style (303 Series)
Ferraz Shawmut Midget Fuse Blocks accommodate all 30 ampere 1-1/2” x 13/32” midget fuses. A choice of box, screw, or pressure-plate connectors fit a wide range of stranded or solid copper wire. Insulators are glass-filled polycarbonate (GFPC) with verified dielectric strength in excess of 2500V. Fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multi-pole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tin-plated copper alloy.
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 ordered as two items to suit one fuse. Mounting hardware is supplied with the blocks.
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 two items to suit one fuse. Mounting hardware is supplied with the blocks.
Semiconductor Fuses / North American Round Style
Few of today's powered products don't rely on semiconductor technology to some degree. That means extending circuit protection to thyristors, triacs, diodes, and a host of other solid-state components. Ferraz Shawmut offers a vast, truly international line of semiconductor fuses to protect these sensitive components.
PCS Series - Semiconductor
Ferraz Shawmut's new PCS series of extremely fast-acting direct-mountable fuses addresses the increasing need for electrical protection at the PC board as current and voltage requirements push higher. These fuses help printed circuit board manufacturers reduce parts by eliminating clips and fuse blocks and allowing automated assembly. PCS fuses are AC and DC rated and are extremely current-limiting. They will protect semiconductors, main frame power boards, circuit breakers with low interrupting ratings and other critical components. PCS fuses bring I2t protection, higher voltage and interrupting ratings to the board itself and are UL Component Recognized.
Protistor Fuse Microswitch
Microswitch systems for round and square body fuses (not for PSC Fuses)
PSC microswitch
Microswitch systems adapted to the following fuses:
SAG- Type "S" Adapter
Ferraz Shawmut Type S adaptors screw into Edison base plug fuse holders and allow type S fuses to be installed. Type S adaptors prevent the wrong ampere size from being installed.
Fuse Blocks & Holders / Semiconductor Fuse Blocks
Ferraz Shawmut'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.
Fuse Blocks & Holders / Semiconductor Fuse Holders
Ferraz Shawmut'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.
Trigger Indicator
The Trigger Indicator (Catalog Number suffix TI) is available on many blade type fuses, primarily Form 101 semiconductor fuses and some Class L fuses. The TI allows blown fuses to be identified visually, eliminating the need for resistance or continuity testing.
Fuse Blocks & Holders / UL Power Fuse Blocks
Ferraz Shawmut'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.