General Accessories Mersen

The NH fuse-link system is categorized as a plug-in fuse system, comprising a fuse base that may include terminal covers and phase barriers, along with a fuse-link featuring blade contact and a replacement device (LV HRC fuse puller). Due to the design of this system, it is essential that rated current interchangeability is not guaranteed, necessitating handling by qualified professionals. Type aM NH fuse-links are characterized by their partial-range breaking capacity, effectively protecting motor circuits with significant current-limiting capabilities and minimal power losses. These fuse-links are capable of interrupting currents from 6.3 times the nominal current (In) up to their maximum breaking capacity, indicating their suitability for short-circuit protection exclusively. For comprehensive protection against overloads, these fuse-links must be used in conjunction with additional switchgear. These fuse-links can accommodate a rated current matching the motor's nominal current, with a body style that is square and constructed from ceramic material. The contact materials are copper and silver-plated, with compliance to standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. They are available in sizes 000, 00, 0, 1, 2, and 3, with an ampere range of 2 to 500 A. Additionally, they are CE compliant.

The NH system is categorized as a plug-in fuse system, consisting of components such as the fuse-base, which may include terminal covers and phase barriers, alongside the fuse-link equipped with blade contacts. The fuse-link replacement device, known as the LV HRC fuse puller, is also part of this assembly. Due to the system's design, it is critical that only qualified professionals handle the installation, as non-interchangeability of rated currents cannot be assured.These type aM NH fuse-links are recognized for their partial-range breaking capacity, specifically tailored for protecting motor circuits. They are designed to be highly current-limiting, ensuring low power losses during operation. Capable of interrupting currents from 6.3 times the nominal current up to their maximum breaking capacity, they are intended solely for short-circuit protection. For overload protection, these fuse-links must be paired with additional switchgear. Notably, the rated current can be equal to the nominal current of the motor being protected.

The NH fuse-link system integrates various components designed for effective electrical protection. This system includes a fuse-base, which may come with terminal covers and phase barriers, alongside a fuse-link featuring a blade contact. A fuse-link replacement device, specifically the LV HRC fuse puller, is also part of this setup. Due to its design, it is essential that rated current interchangeability is managed by qualified professionals to ensure safety and functionality.With a robust operating range of 500 to 690 VAC, these fuse-links are classified as gG, making them suitable for general purpose cable and line protection. The ampere range spans from 32 to 1250 A, accommodating various applications. The body is constructed from ceramic, enhancing durability, while the contacts are made of copper with silver plating to ensure optimal conductivity. Compliance with standards such as VDE 0636 Part 201 and IEC 60269-1 and -2 guarantees that these components meet industry requirements.

The fuse base is designed for compatibility with Class H, K, and R 250V and 600A power fuses. It offers a variety of connector options, including screw, pressure plate, and box connectors, suitable for a range of stranded or solid copper and aluminum wires. The insulators are constructed from either molded glass-filled polycarbonate or phenolic materials, boasting a dielectric strength exceeding 2500V. For configurations requiring multiple poles, the fuse blocks can be enhanced with add-on blocks, allowing for the creation of segmented blocks with varying pole counts. The clips are manufactured from high conductivity tin-plated copper, available in spring reinforced or non-spring reinforced versions for 30A and 60A ratings, while clips rated for 100A and above are exclusively spring reinforced. The installation method involves direct screw mounting, ensuring stable and secure positioning.

The capacitor fuses are compliant with ANSI C37-41 standards, offering current-limiting capabilities without generating noise or discharge. They are suitable for indoor installations within general purpose enclosures or outdoor use in weatherproof enclosures. These fuses are non-disconnecting, necessitating a disconnect switch for operation.Designed to safeguard against short circuits and overloads, these fuses protect against capacitor case rupture or dielectric failure. The available mounting configurations provide manufacturers with diverse solutions that optimize both cost and space.Specifications include a maximum operating temperature of 80 °C, a maximum storage temperature of 80 °C, and a minimum storage temperature of -25 °C. The fuse has an ampere rating of 125 A and a rated voltage of 3000 V, with a breaking capacity of 50 kA. The product diameter is 1.42 inches, and it is produced in Mexico. The body insulating material is GMG, and the connection terminal is made of tin-plated copper with an L bracket to L bracket type, designed for direct mounting.

The Tri-Onic TR-R time-delay fuses are designed specifically for current-limiting applications, providing effective overcurrent protection for motors, transformers, service entrance equipment, feeders, and branch circuits. With a rated voltage of 250V AC and 160V DC, these fuses are suitable for use in 50/60 Hz electrical systems. One of the key features of the TR-R series is its time-delay characteristic, which safely accommodates harmless starting currents and inrush currents commonly associated with modern motors and transformers. The maximum interrupting rating for AC is 200 kA, ensuring reliable performance under fault conditions. The fuse is equipped with a SmartSpot® indication system, which enhances visibility for maintenance and operational checks. Constructed with a tin-plated copper terminal type and housed in a durable PolyTube body, the fuse is both efficient and compliant with ROHS standards.Measuring 10.38 inches in length and 2.56 inches in diameter, with a weight of 3.1 lb, this fuse is designed for clip mounting, facilitating easy installation in various applications.

The Class H Fast-Acting renewable fuse is engineered for use in environments where the available short-circuit currents do not exceed 10,000 amperes. These fuses can accommodate an ampere range from 3 to 600 A, making them versatile for various general purpose loads. The product's design includes a cylindrical body style and utilizes a ferrule blade connection terminal type.Compliance with UL standards is ensured, as the fuse is UL Listed to Standard 248-7 and CSA Certified to Standard C22.2, No. 248.7, with certification files available for reference. The body is constructed from FWGE material and is compatible with lead-free applications. In addition, the fuse meets CE conformity and is ROHS compliant, further enhancing its suitability for modern electrical systems.The fast-acting characteristic of this fuse provides immediate response to overcurrent conditions, safeguarding circuits effectively. For replacement, the RLS series die-cut zinc replacement links are recommended, available in a range of amperages to match specific requirements.

The VSP MOV Fuses provide specialized protection for Surge Protective Device (SPD) systems. These fuses are engineered to endure 8/20 μSec surge pulses without opening, thus ensuring the SPD system can respond effectively to surge events. It is important to note that the surge rating of 8/20 μSec is distinct from continuous current ratings. Under alternating current short circuit conditions, these fuses exhibit significant current limiting characteristics.With a maximum operating temperature of 80 °C and a maximum storage temperature also at 80 °C, these fuses are suitable for various environmental conditions. They can be stored at temperatures as low as -25 °C, demonstrating a wide operational range. The rated voltage for these units is 480V AC, and they have a maximum breaking capacity of 200 kA, which enhances their reliability in critical applications.The physical dimensions include a product diameter of 0.82 inches. The body is made of GMG insulating material, while the connection terminal, designed as a blade type, is constructed from tin-plated copper, ensuring robust connectivity. The mounting method is PC mount, suitable for various installations.

The Surge-Trap® Modular Surge Protective Device (SPD) is designed as a fail-safe surge suppressor that utilizes Mersen’s patented TPMOV® technology. With UL 1449 4th Edition approval, it can be mounted on DIN rails and incorporates a self-protected design. A visual indicator confirms operational status, while an optional remote indicator extends monitoring capabilities to critical control circuitry.This model supports a high short circuit current rating of 200 kA, significantly enhancing its reliability in demanding environments. The SPD operates within a temperature range of -40 °C to 85 °C, making it suitable for various applications. Its compact footprint allows for efficient use of space, and it features a thermally protected MOV, which negates the need for additional overcurrent protection devices. The device is configured for a 3-phase delta system, supporting a nominal operating voltage of 480V and a maximum discharge current of 50 kA per phase.

The Tri-Onic® TRS-RDC time-delay fuse ensures reliable protection for direct current circuits in both surface and underground mining environments. This component is MSHA approved, adhering to stringent industry standards for 600VDC rated fuses.With a rated voltage of 600 V and an amperage rating of 60 A, this Class RK5 fuse features a time-delay characteristic which is essential for handling inrush currents without nuisance blowing. The fuse is designed for clip mounting and equipped with tin-plated copper terminals, which enhance conductivity and corrosion resistance. The body is constructed from GMG insulating material, ensuring durability and safety under demanding conditions.Weighing only 0.35 lb and measuring 5.5 in in length and 1.06 in in diameter, the fuse is compact yet robust. It is packaged in a sell pack of 10, with dimensions of 2.19 in width, 5.5 in length, and 5.62 in height, facilitating easy handling and storage.

The NH fuse-link system is categorized as a plug-in fuse solution, encompassing components such as a fuse-base, which may include terminal covers and phase barriers, along with the fuse-link featuring blade contacts. The system design necessitates that it be managed by qualified personnel due to the potential for the rated current to be non-interchangeable.These gG NH fuse-links are characterized by their full-range breaking capacity, providing essential protection for cables and equipment. They are capable of interrupting all current surges, ranging from the lowest fusing current to their maximum breaking capacity, making them suitable for standalone protection. Additionally, they safeguard electrical devices and industrial systems from the electrodynamic impacts of high short-circuit currents, ensuring operational integrity.With an ampere range spanning 2 to 800 A, these fuse-links are compliant with several standards including DIN 57636 Part 201 and IEC 60269-1 and -2. The materials used include copper contacts that are silver-plated, and the body is constructed from ceramic. Furthermore, these products are CE compliant and designed for general purpose cable and line protection.

The NH fuse-link system is categorized as a plug-in fuse system and includes several components: a fuse-base, which may incorporate terminal covers and phase barriers, together with the fuse-link itself featuring a blade contact. A fuse-link replacement device, known as an LV HRC fuse puller, is also part of this assembly. It is crucial to note that due to the system's design, which does not ensure the non-interchangeability of rated currents, installation and handling must be performed by qualified professionals.This fuse-link range is crafted with a ceramic body, ensuring durability and reliability in various applications, particularly for motor circuit protection. The materials used for the contacts include copper with a silver-plated finish, contributing to efficient conductivity. Compliance with CE standards and relevant regulations such as VDE 0636 Part 201 and IEC 60269-1 and -2 is maintained, ensuring the product meets stringent quality requirements.

The A50QS Amp-Trap® Form 101 fuses were developed to enhance the performance of semiconductor fuses in line with evolving equipment demands. This model features an optimized I2t rating, which ensures superior protection for equipment while extending lifespan under cyclic loads and minimizing energy loss. The A50QS is particularly suited for safeguarding dynamic solid-state devices, including motor drives, inverters, and uninterruptible power supplies (UPS).With a maximum operating temperature of 80 °C and a storage temperature range from -25 °C to 80 °C, this fuse maintains reliability across varying environmental conditions. It operates at an ampere rating of 275 A and is rated for both AC and DC voltages up to 500 V. The high-speed characteristic of the A50QS ensures rapid response to overcurrent situations, thereby providing critical protection for sensitive electronic components.

The Type 1 ST-XR Series Surge Protective Device (SPD) offers a nominal operating voltage rating of 600 V and features a maximum continuous operating voltage (MCOV) of 840 V. Designed to comply with UL1449 4th Edition standards, this SPD is well-suited for replacing outdated surge arrestors.Utilizing advanced TPMOV® technology, the STXR series ensures enhanced safety and efficiency. It is characterized by a compact design, making it versatile for both line and load installations, ideally serving branch panels and individual equipment protection needs.With a maximum discharge current of 50 kA per phase and a short circuit current rating (SCCR) of 200 kA, the device is built to withstand demanding conditions. Operating temperature ranges from -40 °C to 85 °C, ensuring reliability in various environments. The housing is made of polycarbonate, contributing to its durability and flammability rating of UL94-5VA.This SPD supports 3-Phase Delta system configurations and provides protection modes for line-to-ground (L-G) and line-to-line (L-L) configurations. The pre-wired connections facilitate easy installation, enhancing its suitability for a range of applications.

The PCT series time-delay fuses are specifically designed for direct mounting on printed circuit boards (PCBs), offering an efficient solution for electrical protection. By eliminating the need for additional clips or fuseholders, these fuses streamline the assembly process, allowing for automated integration.With a rated voltage of 500V and an ampere rating of 25A, these fuses are ideal for safeguarding main frame power boards and small circuit breakers that require low interrupting capabilities. The PCT fuses are recognized by UL as components, ensuring compliance with safety standards. Additionally, the construction includes a body made from GMG and tin-plated copper for the terminals, enhancing durability and connectivity.Notably, these fuses offer an interrupting capacity of up to 100 kA, which significantly increases the performance and reliability of the components they protect. This capability is critical in applications where circuit integrity is essential.

The Fuse 600V 100A Time-Delay Class L A4BQ Series TA Indicator provides enhanced current limiting capabilities, being 20 percent more effective than other Class L fuses. This fuse is designed to offer superior protection for service entrance equipment when properly coordinated, ensuring that downstream circuit components are safeguarded against short circuit let-thru current.With a built-in 4-second time-delay feature at 500 percent of its rated current, this fuse accommodates harmless inrush currents without causing nuisance openings. The A4BQ series is suitable for various applications, particularly in UPS DC links and battery disconnects, making it versatile for different DC applications.Technical specifications include a rated voltage of 600V AC and 500V DC, with an ampere rating of 100A. The fuse complies with ROHS standards and features a bolted mounting style. Its maximum interrupting rating is 200 kA, providing a high level of reliability. The fuse is equipped with a TA indication system and utilizes silver-plated copper for the connection terminals. The body is made from GMG insulating material, ensuring durability and performance.

The NH fuse-link system is structured as a plug-in fuse system that comprises a fuse-base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts. The system allows for the replacement of fuse-links using a low voltage high rupture capacity (LV HRC) fuse puller. Due to its design, interchangeability of rated current is not guaranteed, thus requiring handling by qualified professionals.These fuse-links are compliant with multiple standards including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. With an ampere range of 2 to 630 A, the ceramic body of the fuse-link is square in style, ensuring durability and reliability in various applications. The materials used for the contacts include copper that is silver-plated, enhancing conductivity.

The D fuse-system represents the initial generation of screw fuse systems conforming to the German DIN standard, still prevalent in numerous installations. These fuse-bases are primarily utilized in low voltage distribution units, enabling non-trained individuals to replace fuse-links safely. The D fuse-range includes sizes NDZ, DII, DIII, DIV, and DV, catering to various electrical requirements.The D fuse-links gG are instrumental in safeguarding cables and power lines by limiting and interrupting excessive overcurrents and short circuit currents up to their specified nominal breaking capacity. Additionally, these fuse-links provide protection to equipment and installations against the dynamic effects of elevated short circuit currents.

The Amp-Trap® R-Rated DIN style fuse is engineered for short circuit protection of medium voltage motors and motor controllers. With a voltage rating of 3.3kV, this fuse adheres to IEC 282-1 standards and features a length of 442mm for DIN mounting.R-Rated fuses serve as backup fuses with a defined interrupting rating that must be coordinated with overload relays in combination motor starters. Specifically, R-Rated fuses operate by melting within a time frame of 15 to 35 seconds when subjected to currents up to 100 times their R rating, as per ANSI C37.46-2000.These fuses have a continuous ampere rating determined at 40°C, reflecting their thermal capability, and are recognized as UL components. The maximum operating and storage temperatures for this fuse are both set at 80 °C, while the minimum storage temperature can reach -25 °C. The clip mount design aligns with DIN 45 standards, and the fuse diameter is 2.88 inches.The connection terminals are constructed from silver-plated brass for enhanced conductivity, and the body insulating material is GMG. Ratings above 19R can be achieved by paralleling fuses; consult the factory for further specifications.

The Size 93 aR fuse-link rated at 700 A and 1500 VAC is designed to offer high flexibility in power conversion equipment. With various mounting styles and three distinct body sizes, it accommodates a wide range of applications. These fuse-links are particularly effective in protecting SCRs, diodes, thyristors, GTOs, and IGBT devices.Engineered with pure silver die-cut elements embedded in solidified sand, this design optimizes arcing characteristics while ensuring low I²t and high breaking capacity, rated at 200 kA. The use of silver-plated contact surfaces and non-magnetic hardware enhances reliability, while a low voltage trip-indicator can activate a field mountable microswitch, facilitating serviceability.Notable specifications include a clearing I²t at rated voltage of 2500 kA²s and a power dissipation of 131 W at the rated current. The ceramic insulating material and bolted mounting style further ensure robustness in operation. This product is categorized under the Protistor® product line.