Brand: Mersen Products

All products from this brand (18 total)

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Mersen A50P semiconductor protection fuse with bolt-in mount. 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. Low I2t minimizes damage to protected components on short circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Choice of mounting types helps in equipment design. Highlights: very fast acting, current limiting, low I2t, indicator options available. Applications: protection of DC drives, UPS and other equipment of 500 volts or less. Approvals: UL Recognized Component UL File 60314. AC: UL Guide No. JFHR2 (10-800A). DC: UL Guide No. JFHR2 (35-800A). Measures 1-1/2-inches diameter by 4-11/32-inches length.
Mersen A6D17-1/2R 600V 17-1/2A Rk1 Time Delay Fuse, UL Power Fuse, Class Rk1, Time Delay Characteristics, 600 Vac, 17-1/2 Ampere, Interrupting Rating 200 Kiloampere, Ferrule Terminal, Diameter 13/16 Inch, Length 5 Inch, Approval Ul 248-12, Csa C22.2, Amp-Trap 2000[R] Brand, A6D Model, Current Limiting, Fiberglass Tube
Mersen AJT Amp-Trap 2000 SmartSpot time-delay/class J fuse with maximum circuit protection. It provide a visual open fuse indicator. With advanced material technology the AJT fuse provides IEC Type 2 No damage protection to main, feeder, and branch circuits, for all types of loads - yet, they require only half the mounting space needed for 600VAC class RK fuses. AJT's time-delay characteristics are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability. 300kA interrupting rating - self-certified, UL witnessed tests. Small footprint requires less mounting space and allows smaller, more economical fuse blocks. Easy 2-to-1 selectivity for prevention of nuisance shutdowns. Unique class J dimensions prevent replacement errors. High-visibility orange label gives instant brand recognition. Metal-embossed date and catalog number for traceability and lasting identification. Fiberglass body provides dimensional stability in harsh industrial settings. High-grade silica filler ensures fast arc quenching. Optional EI indicator/switch mount for open fuse indication. Use for motor circuits; mains; feeders; branch circuits; lighting, heating and general loads; transformers; control panels; circuit breaker back-up; bus duct and load centers. Highlights: SmartSpot indicator, time-delay, highly current-limiting, arc flash mitigating, DC ratings, optional mechanical indicator. Approvals: UL listed to standard 248-8 file E2137, DC listed to UL standard 248, CSA certified to standard C22.2 No. 248.8, IEC 269-2-1. UL listed, DC tested to UL standard 248. 600VAC/500VDC voltage rating. 200kA AC/100kA DC IR rating. 500 ampere current rating. Measures 2-1/2-inches diameter by 8-inches length.
Mersen Amp-Trap form 101 semiconductor protection fuse was developed for higher voltage AC and DC drives, UPS systems, reduced voltage motor starters and similar applications where lower l(2)t and superior reliability. Low I2t minimizes damage to protected components on short circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Highlights: very fast acting, current limiting and low I2t. Applications: protection of 700V or less DC drives, UPS, inverters, reduced voltage starters, etc. Volts rating: 700VAC/650VDC. Ampere rating: 25A. Integrated rating: 100kA AC/100kA DC. Ferrule mounting type. Measures 9/16-inches diameter by 2-inches length. UL recognized component UL file E60314; AC: guide no. JFHR2; DC: tested to UL standard 198L parameters.
Mersen Class C fuses have British standard (BS88) dimensions and are exact replacements for the British fuses and older HRCII-C fuses. Class C fuses are not dimensionally or electrically interchangeable with other North American fuses. They feature ceramic bodies and bolt-in mounting. They are for short-circuit protection only, in motor controllers, for example, where overload protection is provided by an overload relay. Highlights: fast-acting. Its application: Short circuit and back-up protection of motor controllers and components. Approvals: CSA certified HRCII-MISC IEC 269-2-1.
Mersen electronic fuse. Glass body and time-delay. UL listed and CSA certified. 250VAC/125VAC voltage rating, 1 ampere current rating, 100A/10kA IR rating. Measures 5-millimeters diameter by 20-millimeters length.
Mersen form 600 fuses are the original current-limiting fuses, pre-dating all the standards. Their 500V DC rating (through 600A) is a useful feature for special fusing applications. Form 600 fuses provide a high degree of current limitation in AC and DC applications. Types 1 is dimensionally interchangeable. Approvals: UL recognized component file E60314, DC tested to UL248-1 (1-600A).
Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection. These current-limiting fuses will melt at current that can be as low as 1.7 times the fuse current ratings up to its maximum interrupting rating. These fuses are designed to withstand the transformer magnetizing inrush current. They have 2, 3 and 4 inch diameter barrels with ferrules and are mounted in spring reinforced clips. Defines fuses designed prior to the time where the ANSI standards defined the term "General Purpose" and do not meet all of the general purpose definition. These fuses are capable of interrupting all currents above 2.2 to 3 times the fuse's rated current up to its maximum interrupting rating. A general purpose current-limiting fuse is one that is capable of interrupting all currents from its rated interrupting current down to the current that causes melting of the fusible element in one hour or more. E-Rated fuses are general purpose fuses that operate: 100E or less must melt in 300 seconds at 200 to 240 percent of E rating. Over 100E must melt in 600 seconds at 220 to 264 percent of E rating. Example: A 100E fuse must melt in 300 seconds with an applied current of 200 to 240 amperes. These fuses were designed and originally tested at a higher maximum interrupting rating value. Features: Blown-fuse indicator to give positive identification of open fuse. 9F60: 0.125 pounds tripped force 0.20-inch. 15-inches clip centers suitable for use indoors or outdoor. Applications: Protection for 2.4kV to 34.5kV transformers or distribution systems. Highlights: E-Rated, UL listed, outdoor use. 15.5kV voltage rating. 50kA interrupt rating. 5E ampere current rating. Measures 2-inches diameter by 17-13/64-inches length.
Mersen GAB8 250V 8A 1-1/4X1/4 Sm Fuse, Miniature/Subminiature Fuse, Ceramic Tube, Fast Acting Characteristics, 250 Vac, 8 Ampere, Interrupting Rating 200 Ampere At 250 Vac, 10 Kiloampere At 125 Vac, Ferrule Terminal, Diameter 1/4 Inch, Length 1-1/4 Inch, Approval Ul, Csa, Gab Model
Mersen GSC1/2 G Se, Miniature/Subminiature Fuse, Ceramic/Glass Tube, Time Delay Characteristics, 250 Vac, 1/2 Ampere, Interrupting Rating 35 Ampere At 250 Vac, 10 Kiloampere At 125 Vac, Ferrule Terminal, Diameter 5 Mm, Length 20 Mm, Approval Ul, Csa, Gsc Model
Mersen recommended fuse block with box connectors for 31-60 ampere Amp-Trap class T fuses. Number pole 3. 600 voltage.
Mersen semiconductor fuse holders feature open face styles. Rated 750 volts and accommodates 22-millimeters by 58-millimeters fuses. Fuse holders feature Mersen'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. Box connectors is offered to fit a wide range of standard or solid copper wire. All versions have verified dielectric strengths in excess of 2500 volts. 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. Highlights: thermoplastic bases, DIN-rail (U710) or screw mount, adder block design. Applications: all circuits up to 750 volts using semiconductor fuses for protection of small inverters, UPS systems, motor drives, etc. Approvals: UL recognized component guide IZLT2, File E52283, CSA Certified class 6225, file 32169. 750V voltage rating, 200kA SCCR rating, 100 ampere current rating. Connector torque: 35-inches pounds.
Mersen semiconductor protection fuse. 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 the protection of dynamic solid state equipment such as motor drives, inverters, UPS, etc. Highlights: 500VAC/DC rated, lowest I2t, low watts loss, superior cycling ability. Applications: Protection of 500 volts or less motor drives, UPS, inverters, etc. Approvals: UL recognized component UL File 60314, AC: UL guide no. JFHR2, DC Tested to UL standard 198L parameters (70-1200A), CSA Certified LR12636. Measures 1-inch diameter by 3-5/8-inches length.
Mersen Tri-Onic time-delay/class RK5 fuse. Industry's most popular fuse for motor circuit protection with advanced material technology added to the existing product, the Tri-Onic TR current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers, service entrance equipment, feeder and branch circuits. Tri- Onic fuse proven time-delay characteristic safely handles harmless starting currents and inrush currents associated with today's motors and transformers. Features: metal embossed date and catalog number for traceability and lasting identification, Fiberglass body provides dimensional stability in harsh industrial settings, high-grade silica filler ensures fast arc quenching and high current limitation. Applications: motor circuits, mains, feeders, branch circuits, transformers, service entrance equipment, general-purpose equipment. Approvals: UL listed to standard 248-12 file E2137. CSA certified to standard C22.2 no. 248.12. 250VAC/250VDC voltage rating. 200kA AC/20kA DC interrupt rating. 2-1/4 ampere current rating. Measures 9/16-inches diameter by 2-inches length.
Mersen Tri-Onic time-delay/class RK5 fuse. Industry's most popular fuse for motor circuit protection with advanced material technology added to the existing product, the Tri-Onic TRS current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers, service entrance equipment, feeder and branch circuits. Tri- Onic fuse proven time-delay characteristic safely handles harmless starting currents and inrush currents associated with today's motors and transformers. Features: metal embossed date and catalog number for traceability and lasting identification, fiberglass body provides dimensional stability in harsh industrial settings, high-grade silica filler ensures fast arc quenching and high current limitation. Applications: motor circuits, mains, feeders, branch circuits, transformers, service entrance equipment, general-purpose equipment. Approvals: UL listed to standard 248-12 file E2137. CSA certified to standard C22.2 no. 248.12 and DC listed to UL standard 248. 600VAC/300VDC voltage rating. 200kA AC/20kA DC interrupt rating. 30 ampere current rating. Measures 13/16-inches diameter by 5-inches length.
Mersen Tri-Onic TRM time-delay midget fuse is rated 250 volts AC and are offered in ampere ratings from 1/2A. They have 12 seconds time-delay at 200 percent rating to provide supplemental protection of small motors, small transformers and other high inrush loads, plus many other 250 volt applications. Applications: small motors, small transformers, lighting circuits and control circuits. Approvals: UL listed to standard 248-14 file E33925 and CSA certified to standard C22.2 no. 248.14. Measures 13/32-inches diameter by 1-1/2-inches length.