Accessories Mersen

The Amp-Trap 2000® AJT fuse operates at a rated voltage of 600 V AC and 500 V DC, providing effective protection for main, feeder, and branch circuits. Its design incorporates a SmartSpot visual open fuse indicator, allowing for easy status monitoring. With an ampere rating of 80 A, this fuse exhibits time-delay characteristics that accommodate typical motor and transformer inrush currents, ensuring reliable operation.Constructed with advanced material technology, the AJT fuse offers IEC Type 2 No Damage protection and requires only half the mounting space compared to 600VAC Class RK fuses. It has a maximum interrupting rating (I.R.) of 200 kA, demonstrating superior current-limiting capabilities. The connection terminals are made of silver-plated copper and can be mounted using either clips or bolts, enhancing installation versatility. The insulating body material is GMG, ensuring durability and safety.

The Amp-Trap 2000® AJT fuses are designed for comprehensive circuit protection, featuring a SmartSpot visual indicator for open fuses. These fuses deliver IEC Type 2 No Damage protection, accommodating main, feeder, and branch circuits across various load types. Notably, they require only half the mounting space compared to traditional 600VAC Class RK fuses.Engineered to manage typical motor and transformer inrush currents, the AJT fuses exhibit time-delay characteristics while ensuring superior current-limiting capabilities. Their technical specifications include a rated voltage of 600 V AC and 500 V DC, with an ampere rating of 8 A. The fuses also possess a maximum breaking capacity of 200 kA and are compliant with ROHS standards.Constructed with a tin-plated copper terminal and a GMG insulating body, these fuses feature a clip mounting style. The dimensions of each fuse are 0.81 inches in diameter and 2.25 inches in length, with a weight of 0.2 lb.

The Amp-Trap 2000 time-delay ATDR fuses offer IEC Type 2 protection, ensuring minimal damage to sensitive branch circuit components and small motors. This feature is particularly advantageous in environments where fault-related incidents can lead to significant operational disruptions.With a rated voltage of 600V AC and 300V DC, these Class CC fuses possess excellent time-delay characteristics, making them suitable for small motor loads. Their clip mounting design facilitates easy installation, while the fuse's breaking capacity of 200 kA enhances safety and reliability. The fuse body is constructed from GMG material, and terminals are made of tin-plated copper, ensuring optimal conductivity and longevity.The product dimensions include a length of 1.5 inches and a diameter of 0.41 inches, with a weight of 0.02 lb. Each sell pack contains 10 fuses, with a total sell pack weight of 0.21 lb and dimensions of 1.62 inches in length, 0.88 inches in width, and 2.12 inches in height. This configuration supports efficient storage and handling.

The ATQR series fuses are compact devices designed to handle high inrush currents typical of control transformers, solenoids, and similar inductive loads. With a rated voltage of 600 V AC and 300 V DC, these fuses ensure reliable protection for branch circuits within electrical distribution systems.Each fuse is classified as Class CC and features a time-delay speed characteristic, making it suitable for applications where temporary overloads may occur. The maximum breaking capacity is rated at 200 kA, ensuring robust protection in the event of a fault.The fuses are constructed with a body made of GMG material, while the connection terminals, made of tin-plated copper, utilize a ferrule type for secure mounting. The dimensions of each fuse measure 1.5 inches in length and 0.41 inches in diameter, weighing only 0.02 pounds, which enhances their versatility in various installations. Compliance with ROHS standards further affirms their suitability for modern electrical systems.

The fuse holder supports either 1-1/2" x 13/32" (10 x 38 mm) midget or Class CC fuses, facilitating rapid installation through its design. The securing nuts or screws are captive, minimizing the need for additional components during setup. Each pole features three internal O-rings that create a waterproof compartment for the fuse, with colored O-rings (blue for single pole) aiding in quick identification.Additionally, optional cone-shaped insulator boots can be added for an enhanced watertight seal, and breakaway versions come with standard boots. Both single and dual pole configurations incorporate a breakaway feature designed to safely disconnect the load in the event of a pole knockdown, ensuring that fuses remain encapsulated within the watertight holder on the load side. Once the pole is reattached, the fuse holder can be easily reconnected.Key specifications include a maximum operating temperature of 80 °C and a short circuit current rating (SCCR) of 100 kA, making it suitable for various applications. The fuse holder operates at a frequency of 50/60 Hz and is constructed from polyethylene, offering durability and effective insulation.

The High-Speed Class J (HSJ) fuse integrates the low I2t characteristics of semiconductor fuses with the branch-circuit performance standards of Class J UL Listed fuses. This design supports branch circuit protection in compliance with NEC regulations while offering significantly low I2t values, making it suitable for safeguarding power semiconductors such as diodes, SCRs, GTOs, and SSRs.With a rated voltage of 600V AC and 500V DC, this fuse operates at a current rating of 70A. Its construction includes silver-plated copper terminals and is housed in a GMG insulating material. The device has a maximum interrupting rating (I1) of 200 kA, ensuring high-performance protection capabilities. The HSJ fuse is also ROHS compliant, reflecting its adherence to environmental standards. Designed for clip mounting, it measures 4.63 inches in length and has a diameter of 1.06 inches, while weighing 0.23 lb.

The NH fuse-link aM is an integral component of plug-in fuse systems, specifically designed for motor circuit protection. It features a rated current of 160 A and operates at a voltage of 500 V AC as per IEC standards. This fuse-link is equipped with a double indicator and live tags, facilitating easy identification during operation. Constructed with a ceramic insulating body and silver-plated copper connection terminals, this fuse-link ensures reliable performance with a power dissipation of 7.9 W at rated current. It is classified as a partial-range breaking capacity device, capable of interrupting currents of up to 6.3 times its nominal rating, making it suitable for short-circuit protection. However, it must be used alongside additional switchgear for overload protection. Due to the nature of its design, the NH fuse-link aM requires handling by qualified personnel to ensure safety and compliance. This model is part of the NH fuse-links aM 500VAC product line and is available in various sizes, including NH00, which has a body width of 30 mm.

The Surge-Trap® Pluggable Surge Protective Device (SPD) incorporates Mersen’s patented TPMOV® technology and is designed for effective surge suppression without the need for fuses. It is compliant with UL 1449 4th Edition standards and features a compact design suitable for DIN rail mounting.This SPD is equipped with a fail-safe self-protected mechanism and includes a visual indicator for operational status. For enhanced monitoring, an optional remote indicator can be integrated to relay information to critical control circuitry. The device supports a high short circuit rating and incorporates a thermally protected MOV, negating the necessity for additional overcurrent protection devices.With a nominal operating voltage rating of 690V and a maximum continuous operating voltage of 880V, it operates effectively in split-phase systems. The surge protective device offers multiple protection modes, including L-G, L-L, L-N, and N-G. It is designed to accommodate wire sizes ranging from #6 to #14 AWG, ensuring versatile installation options.Its specifications include a maximum discharge current of 50 kA per phase and a nominal discharge current of 20 kA (8/20). The MOV response time is less than 25 ns, ensuring rapid reaction to surges. This model features a total of four poles and is suitable for AC applications.

The TPMOV 270V Short Leads Microswitch integrates Mersen’s advanced TPMOV technology, which addresses typical failure modes associated with standard metal oxide varistors. This device includes a voltage clamping mechanism and a disconnecting system that continuously monitors the metal oxide disk, ensuring fail-safe operation. Upon experiencing overvoltage, the metal oxide disk is effectively isolated from the power system by an arc shield. Additionally, this unit features a visual pin indicator and a normally open micro-switch for remote monitoring capabilities. The TPMOV7 variant offers a surge capacity that is 50% greater than previous models while maintaining the same footprint. It is rated for a peak surge current of 75 kA at 8/20μs, with maximum continuous operating voltages (MCOV) ranging from 150V to 320VAC. The device operates within a frequency range of 50/60 Hz, with an operating temperature range from -40 °C to 85 °C.

The Tri-Onic TRS-R fuses are specifically designed to provide overcurrent protection for various electrical applications, including motors, transformers, and service entrance equipment. With a rated voltage of 600V AC and 300V DC, these Class RK5 fuses are equipped with time-delay characteristics that effectively manage harmless starting and inrush currents typical in modern electrical systems.Featuring a maximum interrupting rating of 200 kA, the fuses ensure reliable operation under fault conditions. The SmartSpot® indication system allows for easy status monitoring, while the copper terminal connections and PolyTube insulating material enhance durability and performance. The product weighs 0.35 lb and has dimensions of 1.06 in in diameter and 5.5 in in length, making it suitable for various mounting applications.

The fuse base is designed to accommodate Class H, K, and R fuses, suitable for both 250V and 600V applications. It supports a variety of connection types including screw, pressure plate, box, and special order stud connectors, allowing compatibility with stranded or solid copper and aluminum wires.Insulators are constructed from either molded glass-filled polycarbonate or phenolic materials, both verified to have a dielectric strength exceeding 2500V. This fuse base includes a unique adder block feature, enabling the expansion of 1-, 2-, or 3-pole blocks into multipole segmented configurations, depending on user requirements. The high conductivity tin-plated copper clips are available in spring reinforced or non-spring reinforced variants for 30A and 60A models, while clips rated for 100A and above are exclusively spring reinforced.

The A60X Amp-Trap® Form 101 high-speed fuses are specifically engineered for safeguarding higher voltage heavy rectifiers, such as traction rectifiers. With an ampere rating of 200 A, these fuses can handle prolonged overloads typically encountered in heavy-duty applications. The compact, hockey-puck design of the 700A to 2000A sizes allows for high power protection within a limited space.Operating at a maximum temperature of 80 °C and a minimum storage temperature of -25 °C, this fuse is suited for a variety of environments. It features a rated voltage of 600 V and a breaking capacity of 200 kA, ensuring reliable performance under fault conditions. The product diameter measures 1.22 inches, and it utilizes GMG as the insulating material, while the connection terminal is made of tin-plated brass with a bolted type connection.

The Size 36x127 gR 1000VDC fuse-link, designed for railway power and auxiliary circuits, is engineered to meet the high-performance demands of modern DC equipment. This product features a maximum rated breaking capacity of 100 kA, ensuring effective protection against short circuits. The fuse operates at elevated temperatures, which is characteristic of this type, while maintaining a low I²t value to minimize damage to connected components.Constructed with a ceramic body insulating material, the fuse-link also includes silver-plated copper connection terminals with a ferrule type for secure mounting via clip. With a power dissipation of 24.1 W at its rated current of 100 A, this fuse is optimized for longevity and reliability in demanding applications. The product aligns with the Protistor® size 36x127 gR specifications, making it an ideal choice for efficient circuit protection.

The Fuse 600V 600A Blade Mount HRC Series is engineered to provide short-circuit protection in applications such as motor controllers. These fuses conform to British standard (BS88) dimensions and serve as precise replacements for British fuses and older HRCII-C variants. It is crucial to note that Class C fuses are not interchangeable, either dimensionally or electrically, with other North American fuses.Constructed with ceramic bodies, these fuses utilize a bolted mounting method. Rated for a maximum AC voltage of 600V and a DC voltage of 450V, they are compliant with ROHS standards. The fuse is designed for a 600A ampere rating and features a breaking capacity of 200 kA, ensuring reliable performance in critical applications where overload protection is managed by an external overload relay.Dimensions of the fuse include a length of 8.25 inches and a diameter of 2.88 inches, with a total weight of 1.5 lb. This model is suitable for various industrial applications requiring dependable short-circuit protection.

Mersen's TPMOV technology enhances reliability by addressing typical failure mechanisms associated with standard metal oxide varistors. This device incorporates a voltage clamping mechanism alongside a disconnecting apparatus that actively monitors the condition of the metal oxide disk, ensuring fail-safe operation. In the occurrence of an overvoltage event, an arc shield securely isolates the metal oxide disk from the power system.Furthermore, the TPMOV features a visual pin indicator and a normally open microswitch, enabling remote monitoring capabilities. This model, rated for 75 kA peak surge current with an 8/20μs waveform, operates within a maximum continuous operating voltage (MCOV) range of 150V to 320VAC. The device is optimized for 50/60 Hz frequency and can withstand operating temperatures between -40 °C and 85 °C.The TPMOV7 model offers a significant increase in surge capacity while maintaining the same footprint as its predecessor. With a short circuit current rating (SCCR) of 200 kA and a nominal discharge current of 20 kA, the TPMOV is a reliable choice for various applications.

The Protistor size 123 gR 750VDC is designed to deliver exceptional protection in railway power systems and auxiliary circuits. These semiconductor fuse-links are engineered to meet the demands of modern DC equipment, functioning effectively at elevated temperatures.With an ampere range of 500 to 800 A, this fuse-link minimizes potential damage to connected components during short circuits through its low I2t rating. This characteristic ensures reduced watts loss and extends the operational lifespan of the device. Compliance with UL/CSA standards and IEC 60269-4 ensures that this product meets critical safety and performance guidelines.

The TRS-RDC time-delay fuse provides reliable protection for DC circuits, specifically designed for use in surface and underground mining environments. With a rated voltage of 600VDC and an ampere rating of 45A, this fuse meets the stringent requirements set by MSHA for safety and performance.Constructed with a time-delay characteristic, it is capable of handling temporary overloads without interruption, ensuring uninterrupted circuit operation. The fuse features a clip mounting style and utilizes tin-plated copper for its connection terminals, which ensures good conductivity and durability. The body is made from GMG insulating material, providing necessary protection against electrical faults.With a weight of 0.35 lb and dimensions of 1.06 in in diameter and 5.5 in in length, it is compact and easy to integrate into existing systems. The fuse is packaged in quantities of 10, with packaging dimensions of 2.19 in wide, 5.5 in long, and 5.62 in high, facilitating efficient storage and handling.

The TRS-RDC time-delay fuse is engineered for DC circuit protection, specifically in surface and underground mining applications. It is MSHA approved and complies with the stringent third-party standards for 600VDC rated fuses, ensuring robust performance in demanding environments. With a rated voltage of 600 V and an amperage of 175 A, this Class RK5 fuse features a time-delay characteristic that enhances its effectiveness in preventing nuisance blowouts. The fuse is equipped with a clip mounting style and utilizes a connection terminal made of tin-plated copper, ensuring reliable connectivity. The body is constructed from GMG material, contributing to its durability. Weighing 1.56 lb with dimensions of 1.81 in diameter and 9.63 in length, the fuse is conveniently packaged with a sell pack weight of 1.64 lb, measuring 1.94 in width, 1.94 in length, and 10 in height. This compact design facilitates easy installation and integration into existing systems.

The Limitor-P HV back-up fuses are engineered for reliable protection within high-voltage switchgear and controlgear systems. These fuses adhere to the specifications outlined in IEC 60282-1 and VDE 0670 T4, specifically designed to safeguard transformers from the thermal and dynamic impacts of short circuits. Notably, they are optimized for low power losses, aligning with the requirements of the VDE 0670 T402 ratings.Constructed using premium materials, the fuse-elements are composed of pure silver, while the caps are made from copper and coated in silver. The ceramic bodies enhance durability and performance in demanding applications. This product is suitable for high-voltage transformer protection, ensuring efficacy in critical power systems.

The fuse with a size of 17x27 mm operates at a rated voltage of 250 VAC and features an ampere rating of 12 A. It is compliant with IEC standards 60269-1 and -4, specifically designed for the protection of power semiconductors. The construction adheres to the requirements of VDE 636-23 and IEC 60269.4, ensuring reliable operation in various applications.This model lacks a trip indicator and incorporates a ceramic body insulating material, which enhances its durability. The fuse exhibits a high clearing I2T at rated voltage of 31 A²s and a melting I2T of 5.9 A²s, indicating its capacity to handle significant fault conditions. Additionally, it has a power dissipation of 2 W at the rated current value. The bolted mounting design facilitates secure installation.