Mersen Ricambi per Automazione Industriale

The NH Size 1 gS 690VAC 200A fuse-link is engineered to optimize equipment design while providing comprehensive protection for power conversion equipment.Compliant with DIN 43620/00 standards, this fuse-link integrates seamlessly into NH modular system fuse-holders and fuse switch disconnectors, ensuring worldwide compatibility. Its design specifically caters to the protection needs of semiconductor devices such as diodes, thyristors, GTOs, and IGBTs.Constructed with pure silver, the die-cut elements are embedded in solidified sand, effectively managing arcing characteristics, yielding a lower I²t and a high interrupting rating of 160 kA. Each contact surface is silver plated, and all hardware utilized is non-magnetic. Additionally, a low voltage trip-indicator can be included, which is capable of operating a field mountable microswitch.

The NH fuse-link system is a plug-in type designed for circuit protection, incorporating a fuse-base that may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts. This system includes a fuse-link replacement device, specifically a low voltage high rupture capacity (LV HRC) fuse puller. Due to the potential for rated current interchangeability, it is recommended that only qualified professionals handle this system. These type gG NH fuse-links possess a full range breaking capacity, making them suitable for the protection of cables and equipment. They are capable of interrupting any current surge, from the minimal fusing current up to their designated breaking capacity, allowing them to be used independently for protection purposes. Furthermore, they serve to safeguard electrical devices and industrial systems against the electrodynamic effects of significant short-circuit currents. Compliant with relevant standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, these fuse-links are constructed from lead-free materials, featuring a ceramic body and copper contacts with silver plating. They are rated for an ampere range of 2 to 800 A, suitable for general purpose cable and line protection applications. CE conformity is ensured, and they are ROHS compliant upon consultation with technical services.

The cylindrical fuse-link aM, sized 22x58, is designed for operation at a rated voltage of 690VAC and a nominal current of 50A. This fuse-link features a striker that can activate an auxiliary contact, enhancing its functionality in various industrial applications. Constructed with a ceramic body and silver-plated copper terminals, this fuse-link ensures reliable electrical performance and durability. It achieves a maximum breaking capacity of 120 kA and effectively limits short-circuit currents, capable of interrupting currents exceeding 6.3 times the nominal current. These fuse-links are ideal for protecting installation switchgear in motor circuit applications. Their design allows for the selection of nominal currents that correspond to the specific requirements of motor applications. The technology utilized in the manufacturing process is aimed at providing consistent and dependable performance.

The NH fuse-link aM, rated at 500VAC and 315A, is designed for use in plug-in fuse systems. This system includes a fuse base, which may contain terminal covers and phase barriers, along with a fuse-link featuring blade contacts. Due to its design, the non-interchangeability of rated current is not guaranteed, necessitating handling by qualified professionals. These type aM fuse-links are characterized by their partial-range breaking capacity, making them suitable for protecting motor circuits. They provide strong current limiting and exhibit low power losses, interrupting currents up to 6.3 times the nominal current (In) and reaching their maximum breaking capacity. Consequently, they are effective for short-circuit protection but should be paired with additional switchgear for overload protection. The rated current of these fuse-links can match the motor's nominal current, ensuring compatibility in various applications. This model features a body width of 52 mm and utilizes ceramic as the insulating material. The connection terminal is made of silver-plated copper, contributing to the reliability of the electrical connection.

The cylindrical fuse-link gG, designed in size 14x51, operates at a rated voltage of 500VAC and a nominal current rating of 6A. This component serves critical functions in electrical distribution circuits and various industrial applications, providing essential protection for cables, motors, and low-voltage networks.With a breaking capacity of up to 120 kA, this fuse-link effectively limits and interrupts unacceptable overcurrents and short-circuit currents. The ceramic body and silver-plated copper terminals ensure durability and reliable electrical connections. Additionally, the integrated striker activates an auxiliary contact, enhancing safety measures in electrical setups.The cylindrical fuse-links are available in multiple sizes and configurations, with this particular model adhering to IEC standards. Its specific design and technology ensure dependable performance within electrical infrastructures.

The NH fuse-link system is a plug-in design that includes a fuse base, which may feature terminal covers and phase barriers, along with a fuse-link that utilizes blade contacts. For proper handling, a qualified professional must manage this system due to the lack of non-interchangeability of rated current. This particular type gG NH fuse-link provides full range breaking capacity, making it essential for protecting cables and equipment.It effectively interrupts current surges from the lowest fusing current to its rated breaking capacity, allowing for standalone protection. Additionally, it safeguards electrical devices and industrial setups against the electrodynamic effects resulting from very high short-circuit currents. The specifications include a rated voltage of 690VAC and 400VDC, with an ampere rating of 200A and power dissipation at rated current of 18W. The body is constructed from ceramic, while the connection terminals are made from silver-plated copper, ensuring reliable performance. The mounting method is clip-based, and this fuse-link is designed for size NH1.

The NH system represents a plug-in fuse configuration comprising various components, including a fuse base, which may feature terminal covers and phase barriers, along with a fuse-link equipped with blade contacts and a replacement device (LV HRC fuse puller). It is essential to note that due to the design constraints preventing interchangeability of rated currents, handling should only be conducted by qualified professionals.Type gG NH fuse-links are recognized for their full range breaking capacity, suitable for safeguarding cables and equipment against overloads and short circuits. They are capable of interrupting current surges from the lowest fusing current up to the specified breaking capacity, making them effective as standalone protection devices. These fuse-links also provide protection for electrical apparatus and industrial setups against the electrodynamic effects generated by high short-circuit currents.Constructed with copper and silver-plated contact materials, and a ceramic body, these fuse-links comply with various standards including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. The ampere range spans from 2 to 800 A, confirming their versatility for general-purpose cable and line protection applications.

The NH fuse-link system is categorized under plug-in fuse systems, comprising a fuse-base, which may include terminal covers and phase barriers, alongside a fuse-link that utilizes blade contacts. The system requires handling by qualified professionals due to its design, which does not ensure non-interchangeability of rated currents.Type 'gG' NH fuse-links offer full-range breaking capacity, ensuring protection for cables and equipment. They can interrupt current surges from their minimum fusing current up to their specified breaking capacity, enabling their use as standalone protection devices. These fuse-links further safeguard electrical devices and industrial setups against electrodynamic effects posed by high short-circuit currents.The rated power dissipation for the Mersen NH fuse-links at 400VAC is maintained below the maximum thresholds established by IEC 60269 standards. This fuse-link features a body width of 30 mm and is constructed from ceramic insulating material, with silver-plated copper used for the connection terminals. Its specifications include an ampere rating of 125 A and a power dissipation value of 9.8 W, making it suitable for various industrial applications.