General Accessories Mersen

The NH fuse-link aM is part of a plug-in fuse system designed for use in motor circuit protection. This specific model, rated at 500A and 690VAC, is engineered for partial-range breaking capacity, effectively limiting current and minimizing power losses. It is capable of interrupting currents up to 6.3 times the nominal current, making it suitable for short-circuit protection. However, it must be paired with additional switchgear to guard against overload conditions.This fuse-link is manufactured with a ceramic body insulating material and features silver-plated copper connection terminals, ensuring reliable operation. The mounting method is via a clip, and it is classified under the NH3 fuse size. As per its design, the fuse-link should be handled by qualified personnel due to the inability to guarantee non-interchangeability of rated current. The Designation Code applicable to this fuse-link is NH fuse-links aM 690VAC.

The NH fuse-link system, classified as a plug-in fuse system, includes components such as a fuse base, which may incorporate terminal covers and phase barriers, alongside the fuse-link with blade contact and a fuse-link replacement device (LV HRC fuse puller). Due to the design not ensuring non-interchangeability of rated current, it is essential that handling is conducted by qualified professionals.Type "gG" NH fuse-links are designed for full-range breaking capacity, providing protection for cables and equipment by interrupting current surges from the lowest fusing current up to their specified breaking capacity. This capability allows them to serve effectively as standalone protection devices. Additionally, they safeguard electrical equipment and industrial systems against the electrodynamic impacts of very high short-circuit currents.These 400VAC rated power dissipation values for Mersen NH fuse-links align with the maximum limits stipulated by the IEC 60269 standard, ensuring compliance and reliability in demanding applications.

The NH fuse-link gG, rated for 400VAC and 80A, is designed to integrate seamlessly within plug-in fuse systems, consisting of a fuse-base potentially inclusive of terminal covers and phase barriers. This system ensures reliable performance in protecting electrical circuits by mitigating electrodynamic effects caused by high short-circuit currents.These fuse-links, characterized by a full range breaking capacity, enable interruption of current surges from their minimum fusing current up to their maximum breaking capacity. Their design adheres to the power dissipation standards set by IEC 60269, with a rated power dissipation of 6.2W at the rated current, making them suitable for various industrial applications. It is essential to handle the installation and maintenance of these components by qualified professionals due to their non-interchangeability of rated current.Constructed with a ceramic body and silver-plated copper connection terminals, the NH fuse-links are classified under the NH1 size category, featuring the gG speed characteristic. This robust design ensures longevity and reliability in demanding environments.

The Square Body High-Speed Fuse Link gR is engineered for effective protection in railway power and auxiliary circuits. Rated at 100A and 750VDC, this fuse link is suitable for modern DC equipment, designed to operate at higher temperatures than standard fuses. It exhibits a clearing I²t rating of 40 kA²s, ensuring minimized damage to connected components during short circuit conditions.With a melting I²t of 3.01 kA²s, the fuse link effectively limits energy dissipation, contributing to its longevity. The power dissipation at rated current is measured at 16.7 W. Constructed with a ceramic insulating body and silver-plated brass terminals, it features end contacts with threaded holes for secure bolted mounting. Its maximum rated breaking capacity is 100 kA, making it a critical component for safe and reliable circuit protection. This product is part of the Protistor® line, recognized for its specialized DC fuse links.

The Size 72 type LI slotted blades aR fuse-links are designed for high-performance applications, providing protection for power conversion equipment. Rated at 315 A and capable of handling voltages up to 1250 VAC (IEC) and 1300 VAC (UL), these fuse-links ensure optimal safety and reliability.These ultra-fast acting square body fuse-links feature multiple mounting styles accepted worldwide, enhancing flexibility in equipment design. The assembly employs die-cut elements embedded in solidified sand, which effectively controls arcing characteristics, leading to a lower I²t of 15.1 kA²s and a high interrupting capacity of 126 kA. The design incorporates silver-plated contact surfaces and non-magnetic hardware to minimize interference.Additionally, a low voltage trip-indicator can be integrated, which is compatible with a field-mountable microswitch, ensuring immediate feedback on fuse status. The ceramic body insulating material and slotted blades made from silver-plated copper provide durable and efficient connections, aligning with the Protistor® line's commitment to advanced semiconductor protection.

The Protistor® fuse-links, rated at 690VAC (IEC) and 700VAC (UL), offer essential protection for power conversion equipment. This model, designated as size 31, is capable of handling a maximum current rating of 350A. It incorporates ultra-fast acting characteristics, designed specifically for the protection of semiconductor devices such as diodes, thyristors, and IGBT components.Engineered with die-cut elements embedded in solidified sand, these fuse-links effectively manage arcing characteristics, resulting in a lower I²t and a high interrupting rating of up to 200 kA. The melting I²t at rated voltage is recorded at 10,300 A²s, while the clearing I²t stands at 61,000 A²s, ensuring optimal performance under fault conditions. All contact surfaces are silver plated, and the overall hardware is constructed from non-magnetic materials.For enhanced functionality, the fuse-link can be fitted with a low voltage trip-indicator that activates a field mountable microswitch. The connection terminal is made from silver-plated copper, and the body is insulated with ceramic material, reinforcing its durability and efficiency.

The NH fuse-link system operates within plug-in fuse configurations, encompassing a fuse base that may include terminal covers and phase barriers, as well as a fuse-link equipped with blade contact. A specific device for fuse-link replacement, such as the LV HRC fuse puller, is also available. It is essential that this system is managed by qualified professionals due to the potential interchangeability of rated currents.Classified as type 'gG', these fuse-links provide a full range breaking capacity and are crucial for the protection of cables and electrical equipment. They are capable of interrupting current surges from the lowest fusing current up to their rated breaking capacity, making them suitable for standalone protection. Additionally, they safeguard electrical devices and industrial installations from the electrodynamic effects associated with high short-circuit currents.

The NH fuse-link system is categorized as a plug-in fuse system and includes a fuse-base, which may come with terminal covers and phase barriers, alongside a fuse-link with blade contact and a fuse-link replacement device, commonly known as an LV HRC fuse puller. Due to its design, which does not guarantee non-interchangeability of rated current, it requires handling by qualified personnel.Type 'gG' NH fuse-links offer a full range breaking capacity, protecting cables and equipment by interrupting current surges from the minimum fusing current up to their specified breaking capacity. This makes them suitable for standalone protection applications. Furthermore, they shield electrical devices and industrial setups from the electrodynamic effects associated with very high short-circuit currents.The rated power dissipation for the Mersen NH fuse-links at 400VAC is 5.7 W, which remains below the maximum values stipulated by standard IEC 60269. This model features a ceramic body insulating material and a silver-plated copper connection terminal. The NH000 fuse size and gG speed characteristic enhance its operational reliability.

The NH fuse-link system is categorized as a plug-in fuse system, consisting of a fuse-base that may include terminal covers and phase barriers. It incorporates a fuse-link with blade contact and is compatible with a fuse-link replacement device, specifically the LV HRC fuse puller. Due to the characteristics of the design, it is crucial that only qualified professionals handle the installation to ensure safety and functionality. As a type 'gG' fuse-link, this product offers a full range breaking capacity, providing protection for cables and various equipment. It is capable of interrupting currents from the lowest fusing levels to its specified breaking capacity, allowing for standalone operation in safeguarding applications. Additionally, it shields electrical devices and industrial systems from the electrodynamic impacts associated with high short-circuit currents. This particular NH fuse-link has an ampere rating of 80 A and is optimized for 500 V AC as per IEC standards and 250 V DC. Its power dissipation at the rated current is 6.5 W, ensuring effective thermal management during operation. Constructed with a ceramic insulating material, it features silver-plated copper for the connection terminals, enhancing conductivity. The body width measures 21 mm, and it utilizes a clip mounting method.

The 690/700V square body fuse-link is designed to provide optimal flexibility in equipment design while offering superior protection for modern power conversion systems. The aR ultra-fast acting fuse-link is specifically tailored for safeguarding semiconductors including diodes, thyristors, and IGBT devices.Constructed with die-cut elements embedded in solidified sand, this design effectively manages arcing characteristics, resulting in a lower I²t and a high interrupting rating of 200 kA. The fuse-link also includes silver-plated contact surfaces and non-magnetic hardware to enhance durability. Additionally, a low voltage trip-indicator can be integrated, allowing operation of a field-mountable microswitch.With a rated voltage of 690V according to IEC standards and 700V per UL standards, this fuse-link is built for robust performance. The ceramic body insulating material and silver-plated copper connection terminals ensure reliable connectivity, while the bolted mounting style allows for easy installation.

The NH fuse-link aM operates within a plug-in fuse system framework, consisting of a fuse-base, which may include terminal covers and phase barriers, a fuse-link with blade contact, and a fuse-link replacement device, specifically a low-voltage HRC fuse puller. This system is not designed to ensure non-interchangeability of rated currents, necessitating handling by qualified professionals.This variant is rated for a maximum voltage of 690 V AC and has an ampere rating of 250 A. It features a breaking capacity of 80 kA, allowing it to effectively interrupt high fault currents. The power dissipation at the rated current value is measured at 21.5 W, ensuring reliable thermal management during operation. The ceramic insulating material used in the body enhances durability, while the connection terminals are composed of silver-plated copper for optimal conductivity.Notably, the NH1 size and aM speed characteristic make this fuse-link suitable for a range of applications where reliable overcurrent protection is essential. To maintain performance, installation should adhere to the specified mounting method, which is clip-based.

The NH fuse-link aM, categorized under plug-in fuse systems, incorporates a fuse-base which may include terminal covers and phase barriers, along with a fuse-link equipped with blade contact and a replacement device (LV HRC fuse puller). Due to the inability to ensure non-interchangeability of rated current, installation should be conducted by qualified personnel. With a rated current of 10A, this fuse-link is designed for motor circuit protection, providing strong current-limiting capabilities and minimal power losses. It can interrupt currents up to 6.3 times its nominal rating, making it suitable exclusively for short-circuit protection. For overload protection, it should be paired with additional switchgear. The fuse-link is compatible with motor nominal currents, ensuring reliable operation.

The NH fuse-link gG, rated for 400VAC and 16A, is a critical component in electrical protection systems. This model, classified under size NH000, is designed for use with plug-in fuse systems and includes features such as double indicators and live tags. Constructed with a ceramic body insulating material and silver-plated copper for the connection terminals, this fuse-link is capable of interrupting a wide range of current surges, ensuring robust protection for cables and electrical equipment. The design adheres to the standards set forth by IEC 60269, with rated power dissipation not exceeding 1.6 W at the rated current, making it suitable for various industrial applications.The NH fuse-link operates effectively as a standalone protective device and safeguards against the electrodynamic consequences of significant short-circuit currents. Its installation should be performed by qualified professionals due to the non-interchangeability of rated currents.

This 20x127 gR cylindrical fuse-link is specifically engineered for applications operating at up to 1500VDC. With a current rating of 20 A, it functions as a fast-acting fuse, providing essential protection for various auxiliary and control circuits, as well as measuring and monitoring equipment.Designed to dissipate a power of 9.6 W at its rated current, this component features a ceramic insulating body, ensuring durability and reliability. The fuse employs silver-plated copper for its connection terminals, which are ferrule type, facilitating secure and efficient connections.With a maximum rated breaking capacity of 30 kA, this fuse-link is suitable for high-demand applications. The mounting mechanism is clip-based, allowing for straightforward installation. The product is classified under the Protistor® series, specifically designed for sizes 20x127, ensuring compatibility with standard configurations.

The Size 122 aR 2000VDC fuse-link is designed specifically for the protection of railway power circuits. Built to meet the demands of modern DC equipment, these fuse-links excel in extreme environments, offering enhanced safety and reliability. With an ampere rating of 160 A and a rated voltage of 2000 V, this product minimizes damage to protected components during short circuits, thanks to a lower I2t value of 15000 A²s. Additionally, it features reduced power dissipation at 100 W, contributing to a longer operational lifespan. The fuse is constructed with a ceramic insulating body and utilizes silver-plated copper for its connection terminals, which are of the L bracket type and bolted for secure mounting. Furthermore, it possesses a maximum rated breaking capacity of 100 kA, making it suitable for high-performance applications. This product is part of the Protistor® line and is designated with the code Protistor® size 122 aR, 2000VDC.

The NH fuse-link classified as type gG is designed for use in plug-in fuse systems. It comprises a fuse base, which may include terminal covers and phase barriers, along with a fuse-link that features blade contacts and a fuse-link replacement device, specifically the LV HRC fuse puller. Due to the design not ensuring non-interchangeability of rated currents, it is essential that a qualified professional manages installation and handling.This specific NH fuse-link is capable of interrupting any current surge, from the lowest fusing current up to its breaking capacity. It serves to protect cables and equipment, thereby safeguarding electrical devices and industrial setups from the electrodynamic effects caused by very high short-circuit currents. With a rated voltage of 500V AC and an ampere rating of 40A, its ceramic body material ensures durability while the silver-plated copper connection terminal enhances conductivity.

The NH fuse-link aM is a plug-in fuse system featuring a fuse-base, which may include terminal covers and phase barriers, and a blade contact fuse-link. This system's design necessitates handling by qualified professionals due to the inability to ensure non-interchangeability of rated current. The specific model operates at a rated voltage of 690V AC, with a current capacity of 250A, making it suitable for protecting motor circuits.These fuse-links are characterized by their partial-range breaking capacity, effectively interrupting currents from 6.3 times the nominal current (In) up to their maximum breaking capacity. As such, they are ideal for short-circuit protection and must be paired with additional switchgear to safeguard against overloads. The NH3 fuse size, combined with a ceramic insulating body and silver-plated copper connection terminals, contributes to its robust performance.For optimal functionality, the NH fuse-link aM operates with a power dissipation at the rated current of 14.6W. It is essential to ensure compatibility with the motor's nominal current for effective circuit protection.

The SPD Type 2 device, adhering to the EN/IEC 61643-11 standard and certified under UL 1449 4th Edition, serves as a voltage surge discharger suitable for utilization in supply distribution panels where Type 1 protection devices are installed upstream. It can also be employed in commercial environments that are not directly exposed to lightning strikes and lack an external lightning protection system.This model, identified as STP T2 40, supports a maximum discharge current of 40kA per phase and a nominal discharge current of 20kA per phase. The device has a nominal operating voltage rating of 690V and offers a maximum continuous operating voltage (Uc) of 750V. The surge protection is rated to withstand a short circuit with a current rating (SCCR) of 50 to 100 kA, and it has a short circuit withstand rating (ISCCR) of 25 kA.With a maximum operating temperature of 85 °C and a minimum operating temperature of -40 °C, this surge protective device ensures reliable performance across a wide range of environmental conditions. The torque rating for installation is specified at 35.4 lb-in. The response time is measured at 25 ns, ensuring rapid action during surges.Constructed from PA66 CT1 material with V-0 flammability rating, the product accommodates wire types ranging from 6 to 35mm² for rigid wires and 6 to 25mm² for stranded wires. It is designed for AC applications and features a system configuration of TNC. The replacement plug for this device is designated as SP2-30K750V.

The PV;T12 1000V;2MPPTs;2str; is a DC photovoltaic junction box designed for surge protection in compliance with IEC/EN standards. It is suitable for installation in parallel with residential and light commercial string inverters featuring multiple maximum power point trackers (MPPTs), particularly in 1000Vdc rooftop systems. This product is available in various configurations, offering Type 1 or Type 2 surge protection, and can be equipped with MC4 connectors or cable glands. Noteworthy specifications include a maximum operating temperature of 55 °C and a minimum operating temperature of -20 °C. The junction box accommodates lightning impulse currents of 5 kA and has a maximum discharge current rating of 40 kA, with a nominal discharge current of 20 kA. The housing is constructed from polycarbonate, ensuring durability and performance under specified conditions. Designation Code: PV;T12 1000V;2MPPTs;2str;.

The A100P high-speed fuse is engineered for a maximum operating voltage of 1000V and an ampere rating of 225A. This fuse is suitable for applications requiring lower I2t values and enhanced reliability, including UPS systems and AC/DC drives. With a breaking capacity of 200 kA, it ensures robust protection across various high-voltage applications. The product features a diameter of 2 inches and is constructed with a body insulating material of GMG. The terminals are made from tin-plated copper and designed for bolted connections. Operating in temperatures ranging from -25 °C to 80 °C, this fuse is a reliable choice for diverse operational environments. Its designation code is A100P, highlighting its role in the Amp-Trap® product line.