Accessori Mersen

The product line includes direct-mount, selector-style, and pistol-style handles, catering to various installation needs. Each handle is offered in multiple lengths, allowing for customization based on specific applications. Many models feature locking capabilities and come in various colors, meeting different IP and NEMA ratings for environmental protection.Additionally, the range includes metal handles and specialized options for flange-mounting, ensuring versatility in installation scenarios. The handles are constructed from PA66/6 stainless steel, ensuring durability and compliance with ROHS standards.

The Surge-Trap® Modular Surge Protective Device (SPD) incorporates Mersen’s patented TPMOV® technology, ensuring effective surge suppression without the need for fuses. This device is UL 1449 4th Edition approved and is designed for DIN rail mounting, providing a compact footprint suitable for various installations. With a maximum operating temperature of 85 °C and temperature tolerance extending to -40 °C, this SPD operates effectively in diverse environmental conditions. It features a high short circuit current rating (SCCR) of 200 kA for most models and a thermally protected MOV, which negates the necessity for additional overcurrent protection devices. The device also includes a visual indicator for easy status monitoring, and an option for a remote indicator to provide information to critical control circuitry. Designed for a 600V nominal operating voltage, the SPD can handle a maximum discharge current of 50 kA per phase. It supports a wiring range of #6 to #14 AWG with solid or stranded copper wire connections, utilizing zinc-plated steel for terminal materials. This component assembly is classified as a Type 1 SPD, making it ideal for photovoltaic system configurations.

The NH fuse-link system serves as a plug-in fuse solution, comprising a fuse-base which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts and a replacement device (LV HRC fuse puller). Due to the design of this system, which does not ensure non-interchangeability of rated currents, it requires handling by qualified professionals. Type aM NH fuse-links are classified as partial-range breaking capacity devices, specifically intended for motor circuit protection. These fuse-links are designed to be strongly current-limiting and exhibit low power losses, effectively interrupting currents from 6.3 times the nominal current (In) to their maximum breaking capacity, making them suitable exclusively for short-circuit protection. For protection against overloads, they must be used in conjunction with additional switchgear. It is noteworthy that the rated current of these fuse-links can match that of the motor's nominal current.

The NH plug-in fuse system consists of a fuse base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts. This system is designed with the understanding that the non-interchangeability of rated current requires handling by qualified professionals. The NH fuse-link is compliant with several standards including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. Additionally, it carries CE conformity.Made from ceramic, the fuse-link body ensures durability while the contact materials, comprising copper with silver plating, enhance conductivity. The NH fuse-link operates within the ampere range of 2 - 630 A and is categorized as gG, making it suitable for general purpose applications.

The NH fuse-link system is a plug-in fuse configuration comprising a fuse-base, which may include terminal covers and phase barriers, along with a fuse-link featuring a blade contact and a fuse-link replacement device, known as the LV HRC fuse puller. Due to the design, which does not ensure non-interchangeability of rated current, handling must be performed by qualified professionals. Type aM NH fuse-links are characterized by their partial-range breaking capacity, specifically engineered for motor circuit protection. They exhibit strong current-limiting capabilities and low power losses. The fuse-links can interrupt currents ranging from 6.3 times the nominal current (In) up to their maximum breaking capacity, making them suitable exclusively for short-circuit protection. It is essential that these fuse-links are used in conjunction with other switchgear to ensure protection against overloads. Additionally, they can be rated for currents that match the motor's nominal current.

The A6T Class T fuse is engineered for high current-limitation capabilities while maintaining a compact size. Rated for 600V AC and 300V DC, this fuse features a fast-acting speed characteristic, ensuring rapid protection in electrical circuits. Its unique dimensions prevent the use of lower-rated substitutes, guaranteeing reliability in applications.Manufactured with glass melamine bodies, these fuses provide superior dimensional stability, essential for consistent performance. The terminals are crafted from copper and designed in a ferrule type for secure connections. Additionally, each fuse is marked with catalog numbers stamped into the blades for permanent identification, simplifying inventory management.With a breaking capacity of 200 kA, this fuse is equipped to handle high fault currents effectively. The body material, GMG, ensures durability and performance integrity. The dimensions measure 1.5 inches in length and 0.57 inches in diameter, with a weight of 0.03 lb, making it suitable for space-constrained environments.

The BS88-4 fuses, sized 17x49 and 2x17x49, are designed for high breaking capacities, ensuring reliable protection of power semiconductors in accordance with IEC standards 60269-1 and -4. With a voltage rating of 690VAC and classified under IEC 33 gR class for current ratings from 12A to 90A, they effectively clear all overloads. Additionally, these fuses support selective coordination with all fuses in the distribution circuit aR class, accommodating current ratings up to 100A as per VDE 636-23 and IEC 60269-4. Compliance with connection standards is assured, following German standard DIN 43653/00C and British standard BS88-4. Furthermore, these fuses are UL Recognized, enhancing their credibility in various applications.

The STP T23 20 series offers a combination of Type 2 and Type 3 surge protective devices, engineered to effectively discharge voltage surges while adhering to the stringent requirements of EN/IEC 61643. This device serves as the final protective stage in installations where Type 2 protection devices, such as STP T2 40, are utilized upstream.For optimal performance, it is recommended that these surge protective devices (SPDs) be mounted in close proximity to the equipment they are intended to protect. The STP T23 20 is suitable for various applications including industrial automation, commercial and residential installations, telecommunications, data centers, LED outdoor lighting, water treatment facilities, and smart grid systems.Constructed with a body made of PA66 CT1, the device is compliant with CE standards and features multiple pole options (1, 2, 3, or 4). The internal contacts are manufactured from steel, and the product is designed to meet ROHS requirements, ensuring a safe and environmentally friendly installation. The mounting method is DIN-rail, facilitating straightforward integration into existing panels.

The Amp-Trap DCT series fuses are specifically designed to address the protective needs of modern applications, including photovoltaic systems, multi-meters, and compact traction equipment for auxiliary circuits. This compact fuse offers a rated voltage of 750VAC and 1000VDC, making it suitable for international applications where DC voltage exceeds 600VDC. The fast-acting characteristic enhances its performance, providing reliable protection in critical environments.With a breaking capacity of 100 kA at AC maximum interrupting rating, this fuse ensures optimal safety and functionality. It features a double hole mount design with terminals made of tin-plated copper, ensuring effective connectivity. The body is composed of GMG insulating material, contributing to its robust performance.

The PCF series fast-acting fuses are specifically designed for direct mounting on printed circuit boards, effectively meeting the requirements for electrical protection. By eliminating the need for clips and fuseholders, these fuses facilitate automated assembly processes, thus streamlining production for PCB manufacturers.Rated for both AC and DC voltages up to 600V, this fuse provides reliable protection for main frame power boards and small circuit breakers with low-interrupting capabilities. The fuse's fast-acting characteristic ensures prompt response to overload conditions. Additionally, with an impressive interrupting rating of 100 kA, the PCF fuses enhance the safety and reliability of critical electronic components on the board.Constructed with tin-plated copper for optimal connectivity, the double hole mount design simplifies installation and enhances stability. The body is made from GMG insulating material, ensuring durability and compliance with ROHS standards. This model is UL Component Recognized, further validating its suitability for various applications.

Mersen offers an extensive selection of handles for Low Voltage Disconnect switches, which includes options such as direct-mount, selector-style, and pistol-style configurations. These handles are provided in various lengths and can feature locking mechanisms. Additionally, they come in multiple colors and meet different IP and NEMA ratings based on application requirements.The product line includes metal handles and specialized designs for flange-mounting, addressing diverse installation needs. The handles are constructed from PA66/6 and stainless steel, ensuring durability while complying with ROHS standards. For specific regulatory compliance such as CE conformity and lead-free materials, consultation with Technical Services is advised.

The NH fuse-link system is a plug-in fuse solution featuring components such as a fuse-base, which may include terminal covers and phase barriers, alongside a fuse-link with blade contact and a fuse-link replacement device (LV HRC fuse puller). Due to the design of this system, it is essential that a qualified professional handles it, as non-interchangeability of rated current cannot be assured.These type gG NH fuse-links are designed with a full range breaking capacity, providing protection for cables and equipment. They can effectively interrupt current surges across a broad spectrum, from the lowest fusing current to their specified breaking capacity, allowing them to serve as standalone protection. Additionally, they safeguard electrical devices and industrial setups from the electrodynamic effects of high short-circuit currents.With an ampere range of 2 to 500 A and compliance with standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, these fuse-links are constructed from copper with silver-plated contacts and a ceramic body. The fuse-links meet CE conformity and are ROHS compliant, with applications focused on general purpose cable and line protection.

The NH fuse-link gG, rated at 355A and 500VAC, is an essential component within plug-in fuse systems. It is designed to work with a variety of fuse bases, which may include terminal covers and phase barriers. This fuse-link incorporates a blade contact and can be serviced using a fuse-link replacement device, specifically the LV HRC fuse puller. Due to the non-interchangeability of rated currents inherent in its design, installation and servicing should only be performed by qualified professionals.With a breaking capacity of up to 120 kA, this full-range fuse-link provides protection for cables and equipment, effectively interrupting current surges from minimal fusing currents to its maximum rated capacity. It is capable of safeguarding electrical devices and industrial setups from the electrodynamic impacts of high short-circuit currents. The NH1 size fuse-link is constructed from ceramic insulating material, features silver-plated copper connection terminals, and dissipates 28W at rated current.

Mersen aM and gG fuse-links cover a wide range of physical sizes and ampere ratings for 400, 500, and 690VAC for protection in electrical distribution circuits and various industrial applications. Most ratings are available in size 8x31 and size 10x38 with an optional indicator, and in size 14x51 and 22x58 with an optional striker to activate an auxiliary contact. Size 10x38 is also available with striker. All cylindrical fuse-links have ceramic bodies and silver-plated contacts. Cylindrical fuse-links "aM" are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links "aM" are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

The Size 123 gR blade contacts are engineered for use in railway power systems, providing a rated voltage of 750 V DC and an ampere rating of 700 A. These fuse-links, part of the Protistor® product line, are optimized for enhanced performance in contemporary DC equipment. They are constructed with a ceramic insulating body and feature silver-plated copper connection terminals designed as open slot blades.Significantly, these fuse-links operate effectively at elevated temperatures compared to other fuse types. Their design incorporates a lower I²t value, which minimizes potential damage to connected components during short circuits. Furthermore, the products exhibit lower watt loss and are expected to have an extended lifespan, making them suitable for demanding applications.With a maximum rated breaking capacity of 100 kA, these components offer reliable circuit protection, ensuring safety and efficiency in railway operations. The mounting method is bolted, facilitating secure installation in various settings.

The 690/700V Protistor® fuse-links are designed to enhance the flexibility of equipment design while offering robust protection for modern power conversion systems. Compliant with DIN 43620/00, these NH style fuse-links integrate seamlessly into NH modular fuse-holders and fuse switch disconnectors for straightforward installation.Engineered for the protection of semiconductor devices such as diodes, thyristors, GTOs, and IGBT devices, these fuses incorporate pure silver die-cut elements embedded in solidified sand, effectively controlling arcing characteristics. This design results in a lower I²t value and a high interrupting rating level, essential for maintaining system integrity. Additionally, all contact surfaces are silver plated, and the hardware is non-magnetic, ensuring optimal performance.Each fuse-link can include a low voltage trip-indicator, capable of operating a field-mountable microswitch, which enhances safety and operational awareness.

The NH fuse-link aM is part of a plug-in fuse system that includes a fuse-base, which may come with terminal covers and phase barriers, along with a fuse-link featuring blade contact. A fuse-link replacement device, such as a low-voltage HRC fuse puller, is also utilized. Due to the design of this system, which does not ensure non-interchangeability of rated current, installation should be performed by qualified personnel. Rated at 800 A and capable of operating at a maximum voltage of 500 V, these partial-range breaking capacity fuse-links are specifically intended for the protection of motor circuits. They exhibit strong current-limiting characteristics and minimal power losses. The fuse-links interrupt currents ranging from 6.3 times the nominal current (In) up to their maximum breaking capacity, making them suitable exclusively for short-circuit protection. To address overload protection, these fuse-links must be used in conjunction with other switchgear. These fuse-links can match the rated current to the motor's nominal current, ensuring compatibility in motor applications. The NH4 size features a ceramic insulating body and silver-plated copper connection terminals, enhancing durability and performance.

The 690V Protistor® BS88-4 fuse-links are engineered to offer flexibility in equipment design while ensuring comprehensive protection for power semiconductors. These fuse-links conform to international standards including IEC 60269-1 and -4, VDE 636-23, and BS88-4, ensuring global acceptance.With the capability to protect diodes, thyristors, GTOs, and IGBT devices, the Protistor® series utilizes pure silver, die-cut elements embedded in solidified sand. This construction enhances control over arcing characteristics, resulting in a lower I²t value and a high interrupting rating level. The fuse-link's performance includes a rated voltage of 690 VAC and an ampere rating of 100 A. With a breaking capacity of 200 kA and an I²t clearing of 3900 A²s at rated voltage, this fuse-link is designed for high-performance applications. For added functionality, each unit can be fitted with a low voltage trip-indicator capable of operating a field-mountable microswitch, enhancing its operational capabilities.

The NH fuse-link system falls under the category of plug-in fuse systems, comprising a fuse base that may include terminal covers and phase barriers, as well as a fuse-link with blade contact and a fuse-link replacement device, specifically the LV HRC fuse puller. Due to the nature of its design, which does not ensure interchangeability of rated current, it requires handling by qualified personnel.Type "gG" NH fuse-links provide full-range breaking capacity and are essential for protecting cables and equipment. These fuse-links are capable of interrupting any current surge, from the minimum fusing current to their specified breaking capacity of 120 kA. They serve a dual purpose, functioning both as standalone protection devices and as safeguards for electrical apparatus and industrial installations against the electrodynamic consequences of high short-circuit currents.With a body width of 41.30 mm and constructed from ceramic insulating material, this fuse-link features a clip mounting style. The connection terminals are made from silver-plated copper, ensuring optimal conductivity. The product is classified under the NH fuse-links gG series, suitable for operational voltages ranging from 500 to 690VAC.

The Protistor® fuse-links rated for 690V deliver versatility in equipment design along with comprehensive protection for power conversion applications. Featuring a square body, these fuse-links come in various sizes and are compatible with multiple mounting styles recognized worldwide. The gR type is specifically designed to safeguard against overloads and short circuit faults, ensuring optimal performance.Constructed with pure silver, the die-cut elements are encased in solidified sand, which effectively manages arcing characteristics, resulting in a lower I²t and a high interrupting rating of 150 kA. The silver-plated contact surfaces and non-magnetic hardware enhance reliability. Additionally, each fuse-link can be optionally fitted with a low voltage trip-indicator, capable of operating a field-mountable microswitch, thereby improving operational safety.