General Accessories Mersen

The NH fuse-links system is categorized as a plug-in fuse system, comprising a fuse base which may include terminal covers and phase barriers, alongside a fuse-link equipped with blade contacts. It is crucial to note that the rated current non-interchangeability cannot be guaranteed, thus installation should be performed by qualified personnel. The gG type NH fuse-links are capable of handling a wide range of current surges, ensuring protection for cables and electrical equipment against short-circuit events.These fuse-links can effectively interrupt currents from the lowest fusing level up to their maximum breaking capacity, thus providing reliable standalone protection. Additionally, they safeguard electrical devices and industrial configurations from the detrimental electrodynamic effects associated with high short-circuit currents. The NH fuse-links meet standards VDE 0636 Part 201 and IEC 60269-1 and -2, and feature a ceramic body, available in sizes 000, 00, 0, 1, 2, and 3. Their construction includes copper and silver-plated contacts, supporting an ampere range from 2 to 630 A, with a square body style.

The DIN 43625 fuse serves as an essential component for the protection of high-voltage motors, adhering to the IEC 60644 standard. With a rated voltage of 7.2 kV and an ampere rating of 315 A, this fuse-link is specially engineered to safeguard against short circuit currents and to accommodate repeated peak currents during motor startups.Constructed from high-quality materials, the fuse elements are made of pure silver, while the caps utilize silver-plated brass, and the body consists of melamine fiber glass. The coefficient K, as defined by the IEC 60644 standard, is noted to be 0.51. This fuse is designed to operate effectively with a maximum breaking capacity of 50 kA and a minimum interrupting rating of 1900 A.Furthermore, the fuse's clearing I2T at rated voltage is 2000 kA²s, with a power dissipation of 60 W at 0.7 In. Its cylindrical connection terminal is designed for easy mounting with a clip, ensuring reliable performance in high-voltage switchgear and control applications. This product falls under the Limitor® line of backup fuses, which spans from 3.6kV to 12kV.

The Tri-Onic TR-R series fuses provide effective overcurrent protection for various applications, including motors, transformers, service entrance equipment, feeders, and branch circuits. With a time-delay feature, these fuses are capable of managing harmless starting and inrush currents associated with modern motors and transformers.This fuse operates at a rated voltage of 250V AC and 160V DC, with a maximum interrupting rating of 200 kA. The unit's construction includes a copper terminal connection type and a body made of PolyTube material, ensuring reliable performance. The SmartSpot® indication system offers clear visibility of the fuse status.With a compact design measuring 2 inches in length and a diameter of 0.56 inches, the product weighs only 0.05 lb, making it suitable for various mounting requirements.

This one-time OTS general purpose fuse is designed to provide economical protection for various applications, specifically for feeder and branch circuits. Rated for a voltage of 600V AC and 300V DC, it features an ampere rating of 75A. The Fuse's fast-acting characteristic enables it to interrupt available short circuit currents up to 50,000 amperes across all ratings, ensuring reliable circuit protection. It is crucial to note that OTS fuses are not rejection fuses; therefore, replacement fuses must maintain or exceed the original's interrupting ratings. Constructed with a poly tube body and equipped with tin-plated copper terminals, this fuse ensures durability and efficient connectivity. The mounting type is clip, facilitating easy installation.

The 250V 30A Class H/K 2-pole fuse base is designed to accommodate a range of Class H, K, and R fuses, supporting voltage ratings of 250 and 600V. It features a variety of connector types, including screw, pressure plate, box, and custom stud options, ensuring compatibility with both stranded and solid copper or aluminum wiring.Constructed with insulators made from molded glass-filled polycarbonate (GFPC) or phenolic materials, this fuse base demonstrates a verified dielectric strength exceeding 2500V. The unique adder block allows users to extend the configuration of 1-, 2-, or 3-pole blocks into multipole segmented assemblies as needed.All fuse clips are crafted from high conductivity tin-plated copper, with options for spring reinforced or nonspring reinforced clips available for 30A and 60A variants. For ratings of 100A and above, spring reinforcement is standard. This unit operates efficiently at frequencies of 50/60 Hz and is rated for a maximum operating temperature of 80 °C, with a short circuit current rating (SCCR) of 50 kA.

The NH fuse-link system is a plug-in solution comprised of a fuse base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts. This system is designed to ensure effective protection against electrical surges. Type gG NH fuse-links are characterized by their full range breaking capacity, enabling them to interrupt current surges from the lowest fusing current to their maximum breaking capacity. This capability makes them suitable for standalone protection applications. These fuse-links provide essential safeguarding for electrical devices and industrial setups against the electrodynamic effects resulting from high short-circuit currents. The NH fuse-links comply with various standards, including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. Available in sizes 000, 00, 0, 1, 2, and 3, the fuse-links utilize materials such as copper and silver-plated contacts, and a ceramic body. This design ensures durability and reliability in demanding environments.

The Fuse Base supports Class H, K, and R fuses with voltage ratings of 250V and 600A, ensuring compatibility with a range of power applications. It utilizes a 1-pole configuration, ideal for direct screw mounting, and is constructed with a body insulating material of phenolic, contributing to its durability and operational reliability.Designed for various wire types, it accommodates stranded or solid copper and aluminum wire, with a wiring range of (2) 500 MCM-#4. The connection terminals are made of high conductivity tin-plated copper, facilitating efficient electrical performance. The fuse installation method is clip-in, allowing for easy integration.Insulators are available in molded glass-filled polycarbonate or phenolic, each verified to possess a dielectric strength exceeding 2500V. The fuse clips, which come in spring reinforced and non-spring reinforced options, are specifically designed for 30A and 60A applications, while clips rated at 100A and higher are spring reinforced. This product adheres to specifications for a maximum operating temperature of 80°C and a short circuit current rating (SCCR) of 50 kA, making it suitable for diverse industrial environments.

The UltraSafe Fuse Module (Designation Code: USFM) is specifically engineered for compatibility with 45mm wide IEC contactors, making it an ideal solution for applications demanding higher SCCR circuits up to 600V, including motors and transformers. This module uniquely integrates an auxiliary contact option, allowing for immediate load disconnection by the contactor when the fuse extractor handle is disengaged.Moreover, the fuse module accommodates essential operational features such as padlock capabilities and compact bus bars for efficient line side terminations. The design enables tool-free removal from DIN rail, streamlining maintenance procedures. The UltraSafe series also maintains crucial protective standards with an IP20 rating, alongside practical features including user-friendly fuse extraction handles and an option for open fuse visual indication.

The NH fuse-link system is categorized as a plug-in fuse arrangement, consisting of various components including a fuse-base, which may come with terminal covers and phase barriers, as well as a fuse-link featuring blade contacts and a replacement device (LV HRC fuse puller). Given the nature of this system, it is essential that its installation and maintenance be performed by qualified professionals to ensure safe operation.Type aM NH fuse-links are engineered for partial-range breaking capacity, primarily aimed at protecting motor circuits due to their strong current-limiting capabilities and minimal power losses. These fuse-links can interrupt currents that are up to 6.3 times the nominal current (In) and are specifically tailored for short-circuit protection applications. It is critical to pair these fuse-links with additional switchgear in order to provide adequate overload protection.With a rated current that can match the nominal current of the motor, these fuse-links are suited for a variety of applications where reliable motor protection is required. The components are constructed from high-quality materials, including copper and silver-plated contacts, and are compliant with relevant standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2.

The NH fuse-link system is a plug-in type designed for safe and effective use in low-voltage applications. Each unit comprises a fuse-base, which may include terminal covers and phase barriers, and a fuse-link equipped with blade contacts. The system also features a fuse-link replacement device, specifically the LV HRC fuse puller, for ease of maintenance. Due to the design, it is critical to note that the rated current interchangeability cannot be ensured without qualified handling. This system complies with VDE 0636 Part 201 and IEC 60269-1 and -2 standards, ensuring reliable performance across its operational range of 32 - 1250 A. The ceramic body construction provides durability, while the copper and silver-plated contacts enhance conductivity. Applications of this fuse-link system include partial purpose motor circuit protection, highlighting its suitability for various industrial settings. Please refer to Technical Services for information regarding lead-free and ROHS compliance.

This cylindrical fuse-link, measuring 20x127 mm, is engineered for direct current (DC) applications with a rated voltage of 1500 VDC. It operates at an ampere rating of 0.8 A and is categorized under the gR speed characteristic, suitable for fast-acting protection in various electrical circuits. The fuse features a ceramic insulating body, ensuring reliable thermal and electrical performance. Its terminals are made of silver-plated copper, enhancing conductivity and durability. It is designed to be mounted using a clip, facilitating straightforward integration into existing systems. This product is part of the Protistor® line and is optimized for use in protecting control circuits and other essential monitoring devices, with a maximum rated breaking capacity of 30 kA, ensuring safety in high-voltage configurations. The fuse is sourced from France, adhering to stringent manufacturing standards.

The D01 fuse system represents the latest development in screw systems adhering to the German DIN standard. This system encompasses sizes D01, D02, and D03. Specifically, the D0 ultra-fast acting 'gR' range is tailored for semiconductor protection, particularly in settings where fuse links are accessible to individuals without specialized training, enabling them to change the fuses independently. These fuses are suitable for safeguarding components such as diodes, thyristors, and AC/DC motor drives. The designation 'R' is derived from the term Rectifier. D0 fuse-links are available with a rated current range from 2A to 100A. Notably, the D01 variant features an ampere rating of 6A and a rated voltage of 440V for both AC and DC applications. Its maximum breaking capacity reaches up to 100 kA, ensuring effective interruption of fault currents. The fuse has a product diameter of 0.43 inches and a power dissipation of 2.3W at its rated current. The melting I²T value is 5 A²s and the clearing I²T at rated voltage is 10 A²s. Constructed from ceramic insulating material, it is mounted using a clip for secure installation.

The Tri-Onic TRS-R time-delay fuse offers current-limiting protection for various electrical applications, including motors, transformers, and service entrance equipment. With a rated voltage of 600V AC and 300V DC, this Class RK5 fuse effectively manages harmless starting and inrush currents associated with modern electrical systems.Featuring a time-delay characteristic, the fuse can withstand initial current surges without tripping unnecessarily. It has an impressive AC maximum interrupting rating of 200 kA, ensuring reliable operation under fault conditions. The SmartSpot® indication system enhances visibility by clearly signaling the operational status of the fuse. The construction includes a copper terminal for efficient connectivity, housed within a durable PolyTube body.With a compact design measuring 5 inches in length and a diameter of 0.81 inches, it weighs only 0.2 lb, making installation straightforward in various setups. The fuse is mounted using a clip and conforms to standard specifications in its category.

The Surge-Trap Type 1 STZ Series is a surge protective device tailored for installation at service entrance locations, safeguarding essential electrical loads. Utilizing advanced Mersen TPMOV® Technology, this device is well-suited for both industrial and commercial environments, eliminating the need for supplementary overcurrent protection.This model supports installation in various configurations, including both internal and external options, making it applicable for new constructions as well as retrofitting existing setups. With a nominal operating voltage rating of 208Y/120V, the device operates effectively within a frequency range of 50/60 Hz and can withstand a maximum operating temperature of 85 °C.Key technical specifications include a short circuit current rating (SCCR) of 200 kA, ensuring robust performance under fault conditions. The device features multiple protection modes: Line-Ground (L-G), Line-Line (L-L), Line-Neutral (L-N), and Neutral-Ground (N-G), enhancing its protective capabilities. The Type 1 classification signifies its suitability for specific installation requirements, while the stainless steel housing provides durability in various environments.With a maximum discharge current of 450 kA per phase and a nominal discharge current of 20 kA, this surge protective device is designed to effectively handle transient surges, safeguarding connected equipment from voltage spikes. Additionally, the product complies with the UL94-5VA flammability rating, ensuring safety in operational settings.

The NH system, a plug-in fuse system, comprises a fuse base that may include terminal covers and phase barriers, and a fuse-link with blade contact. A fuse-link replacement device, such as an LV HRC fuse puller, is also part of this system. Due to the design constraints regarding rated current interchangeability, installation should only be performed by qualified professionals. Type gG NH fuse-links provide full range breaking capacity, effectively protecting cables and equipment from various current surges, right up to their breaking capacity. These fuse-links can serve as standalone protection, safeguarding electrical devices and industrial setups against the electrodynamic effects of high short-circuit currents.Notably, these fuse-links are applicable for general purpose use, with an ampere range of 2 - 630 A. The body is constructed from ceramics, ensuring durability, while the contact materials consist of copper and silver-plated components. Compliance with standards such as VDE 0636 Part 201 and IEC 60269-1 and -2 is assured, bolstering the reliability of this fuse-link system.

The Tri-Onic TRS-R series fuses provide essential overcurrent protection for motors, transformers, and various electrical equipment. These current-limiting time-delay fuses are specifically designed to manage harmless starting and inrush currents commonly found in modern electrical systems. With a rated voltage of 600 V AC and 300 V DC, these fuses effectively cater to a range of applications. The Class RK5 designation enables them to meet the needs of service entrance equipment, feeders, and branch circuits. Featuring a time-delay characteristic, the TRS-R model ensures that temporary overloads do not cause unnecessary interruptions, thereby enhancing operational reliability. Its breaking capacity reaches up to 200 kA, allowing it to safely interrupt fault currents. The fuse is equipped with an indication system utilizing SmartSpot® technology, providing clear visual status updates. Constructed with a copper connection terminal and housed in a PolyTube body, it ensures durability and effective performance under varying conditions.

The Surge-Trap® Pluggable Surge Protective Device (SPD) features a no-fuse, fail-safe design utilizing Mersen’s patented TPMOV® technology. Approved under UL 1449 4th Edition, this device is mountable on DIN rails and is characterized by a compact footprint.With a maximum discharge current rating of 50 kA per phase, the device is thermally protected, eliminating the need for supplementary overcurrent protection. The SPD supports a wiring range of #6 to #14 AWG, and its operational voltage rating is nominally set at 600 V, ensuring compatibility across various electrical configurations.Notable specifications include a high short circuit current rating (SCCR) of 200 kA for most models, along with multiple protection modes: line-to-ground, line-to-line, line-to-neutral, and neutral-to-ground. The integrated indication system uses a microswitch to provide real-time status feedback to critical control circuits. The device operates effectively in a 3-phase Wye system configuration, with a VPR of 2500 V line-to-line and 1500 V line-to-neutral.

The Amp-Trap 2000 time-delay A2D-R fuses are engineered to deliver IEC Type 2 protection, ensuring that existing mains, feeders, and branch circuits remain safeguarded against damage. These fuses effectively manage motor in-rush currents while providing rapid response during extreme fault conditions. This allows for maximum short circuit protection, thereby preventing damage to motor starters, switches, and other circuit components. They are suitable for replacing older 250V Class H, K, or RK5 fuses that may be currently in use.Specifically, this model features a rated voltage of 250V for both AC and DC applications, with an ampere rating of 0.3A. The fuse operates as a Class RK1 component with a time-delay characteristic, mounted via a clip. It offers an impressive breaking capacity of up to 200 kA, ensuring effective performance under fault conditions. The connection terminals are made of tin-plated copper and are of the ferrule type, while the insulating body is constructed from PolyTube material. These specifications ensure reliability and compliance, as this fuse is also ROHS compliant.

The NH fuse-link system provides a reliable solution for general purpose cable and line protection, classified under plug-in fuse systems. It consists of a fuse-base, which may include terminal covers and phase barriers, along with a blade contact fuse-link and a replacement device (LV HRC fuse puller). Due to its design, this system does not ensure non-interchangeability of rated current, thus requiring handling by a qualified professional.This specific model supports an ampere range from 2 to 630 A and is compliant with CE regulations. It features a square body style made from ceramic, with contacts composed of copper and silver-plated materials. The NH fuse-link adheres to several standards including DIN 57636 Part 201 and VDE 0636 Part 201, as well as IEC 60269-1 and -2, ensuring broad compatibility and safety in electrical applications. For further details on compliance with ROHS and lead-free materials, consultation with Technical Services is recommended.

The NH fuse-link system is classified as a plug-in fuse system and comprises a fuse base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts and a replacement device for fuse-links (LV HRC fuse puller). Due to the design limitations concerning the interchangeability of rated current, installation should be conducted by qualified personnel.These type aM NH fuse-links serve as partial-range breaking capacity devices, specifically intended for motor circuit protection. They effectively limit current and possess low power losses, interrupting currents ranging from 6.3 times the nominal current (In) up to their maximum breaking capacity. However, it is important to note that these fuse-links are intended solely for short-circuit protection and must be used alongside additional switchgear to safeguard against overload conditions. The rated current of these fuse-links can match the nominal current of the motor.