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.
42 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.
URB/URD/URLSeries / 600V / Size 10x38
Ferraz Shawmut 600V Series URB/URD/URL PROTISTOR Fuses. Amp ratings from 0.10 Amps up to 30 Amps.
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.
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.
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.
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 / 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.
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.
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.
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.
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.
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.
gRB Series / 690V / Size 00
Extremely high Interrupting rating Fuses: Protection of power Semiconductors according to IEC 269.1 and 4
GRB Series / 800V / Size 27x60
821 CP gRB French cylindrical semiconductor protection fuses: 800V AC, 8 to 110A, size 27 x 60, gR class per IEC 269-4, with built-in trip indicator.
gRB-URB Series / 690V / Size 000
6,9 gRB-URB semiconductor protection fuses, DIN 000 (German standard): 500-690V AC, 20 to 400A, with or without blown fuse indication, or with trip indicator.
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.
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.
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.
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.
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.
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.
URB, URQ & URS Series / 690 - 1000V / Size 27x60
URB, URQ and URS French cylindrical semiconductor protection fuses, size 27 x 60: 690V-1000V AC, 32 up to 250A, aR class, built-in blown trip-indicator.
URC & URD Series / 690V / Size 14x51, 22x58
URC and URD Protistor French cylindrical semiconductor protection fuses, sizes 14 x 51 and 22 x 58: 690V AC, 6 up to 100A, aR class, UL Recognized (except 6A).
URGD Series / 690V / Size 27x60
URGD Protistor French cylindrical semiconductor protection fuses, size 27 x 60mm: 600V-690V AC, 63 up to 250A, aR class, built-in blown fuse indication.
Generator controls or a transfer switch enclosure? Gross Manufacturing builds them in our UL 508A shop.