Accessories Mersen

The Protistor® size 302 gR fuse is designed for optimal protection of railway power and auxiliary circuits at elevated temperatures. With a rated voltage of 2000 VDC and an ampere rating of 100 A, this semiconductor fuse-link is engineered to handle the demands of modern DC equipment.These fuse-links exhibit a lower I²t value, which effectively reduces the risk of damage to connected components during short circuits. Additionally, the device features a power dissipation of 58.5 W while operating at the rated current, ensuring minimal energy loss and extended lifespan.Constructed with a ceramic insulating body and silver-plated copper connection terminals, the fuse is equipped with L brackets for bolted mounting, providing a reliable installation. The maximum rated breaking capacity is 30 kA, making it suitable for high-performance applications.This product is part of the Protistor® line, signifying its suitability for critical applications.

The A150X Type 4 semiconductor fuse offers critical protection with a rated voltage of 1500V AC and DC, capable of handling up to 1000A in various applications, including traction drives and high voltage rectifiers. This fuse is optimized for high-speed operation, ensuring reliable performance in demanding environments.With a maximum operating temperature of 80 °C and a minimum storage temperature of -25 °C, this component is built to withstand challenging conditions. The fuse's bolted connection terminal, made of tin-plated brass, ensures robust connectivity. The body is constructed from GMG insulating material, providing necessary protection and reliability in electrical systems. Additionally, the A150X fuses are rated for a breaking capacity of 200 kA, making them suitable for heavy-duty applications.

The NH fuse-link system is categorized as a plug-in fuse solution, consisting of a fuse-base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contacts. A replacement device, such as a low voltage high rupture capacity (LV HRC) fuse puller, is also part of the system. Due to the design, non-interchangeability of rated current cannot be assured, necessitating handling by qualified professionals.This fuse-link operates within an ampere range of 32 to 1250 A and is designed for AC voltage applications between 500 - 690 VAC. The body is square and constructed from ceramic materials, while the contacts are made of copper with silver plating. The aM characteristic indicates its suitability for partial purpose applications, specifically for motor circuit protection. Compliance with standards such as VDE 0636 Part 201 and IEC 60269-1 and -2 is ensured, and the product conforms to CE regulations. For environmental considerations, it is important to consult technical services regarding lead-free and ROHS compliance.

The Surge-Trap® Modular Surge Protective Device (SPD) is a fail-safe, no-fuse surge suppressor utilizing patented TPMOV® technology. This device is compliant with UL 1449 4th Edition standards and is designed for DIN rail mounting. Its small footprint and visual indicator enhance usability, while a remote indicator option allows for monitoring critical control circuitry.This SPD is notable for its high short circuit current rating of 200 kA and features a thermally protected MOV that negates the necessity for additional overcurrent protection devices. Operating within a temperature range from -40 °C to 85 °C, it is suitable for various environments. The device supports a frequency of 50/60 Hz and is designed for 4-pole configurations with a wiring range of #6 to #14 AWG.Key specifications include a maximum discharge current of 50 kA per phase and a nominal discharge current of 20 kA. The housing is constructed from PET (Polyethylene Terephthalate), and the connection terminals are made from zinc-plated steel, ensuring durability and reliability in performance.

The Plug Fuse - Type SAG is suitable for both industrial and residential environments, effectively serving receptacle and lighting circuits. It is available in both non time-delay versions for general use and time-delay variants specifically designed for motor loads. In compliance with Canadian regulations, the type 'P' fuse is utilized for non-motor loads, while the type 'D' fuse is applied for electrical heating and cyclical load circuits. Both types feature low melting-point temperature elements to ensure reliable operation.Particularly noteworthy are the time-delay and tamper-resistant characteristics of the type 'S' plug fuses, which provide enhanced safety and reliability. The product meets various standards, including UL Listing to Standard 248-11 and CSA Certification, ensuring its suitability for diverse applications. With an ampere range of 1-30 A, these fuses are screw-in mounted and constructed with brass contacts. Compliance with ROHS and CE standards can be verified through Technical Services, making them a reliable choice for electrical installations.

The Surge-Trap® Pluggable Surge Protective Device (SPD) is designed for reliable surge suppression without the need for fuses. Featuring Mersen’s patented TPMOV® technology, this device is UL 1449 4th Edition approved and suitable for DIN-rail mounting. Its fail-safe self-protected design incorporates a visual indicator for operational status and allows for an optional remote indicator to communicate with critical control circuitry.With a nominal operating voltage rating of 670 V, this SPD supports both AC and DC applications. The device is engineered to handle a maximum discharge current of 50 kA per phase, ensuring robust performance. Its thermally protected MOV eliminates the necessity for additional overcurrent protection devices. The compact dimensions—height of 0.7 in, width of 1.78 in, and length of 1.99 in—along with a lightweight design (0.125 lb), make it suitable for various installation environments. The product is constructed from PET (Polyethylene Terephthalate) and is ROHS compliant, confirming its adherence to environmental standards.

The 1250/1300 Volt High-Speed Semiconductor Fuse provides essential protection for power conversion devices such as SCRs, diodes, thyristors, GTOs, and IGBT devices. With a voltage range of 550 to 1300 VAC, these fuse-links feature a square body design available in multiple sizes and mounting styles to accommodate diverse equipment configurations. The construction includes pure silver, die-cut elements embedded in solidified sand to optimize arcing characteristics, ensuring low I²t values and high interrupting ratings.All contact surfaces are silver-plated, and the non-magnetic hardware enhances performance. Each fuse link is equipped with a low voltage trip-indicator capable of operating a field-mountable microswitch, facilitating easy installation while in service. This product complies with UL and CSA standards, ensuring reliability in critical applications such as rectifiers, inverters, DC drives, and UPS systems. The fuse is also RoHS compliant, confirming its suitability for modern equipment design.

The fuse block is compatible with Class H, K, and R fuses rated for both 250V and 600V, providing versatility in various applications. It features a selection of connectors, including screw, pressure plate, box, and special order stud types, accommodating a range of stranded or solid copper and aluminum wire.Insulators are constructed from either molded glass-filled polycarbonate (GFPC) or phenolic materials, ensuring a dielectric strength exceeding 2500V. For configurations requiring multiple poles, the 30, 60, and 100A fuse blocks include a unique adder block, allowing for the expansion of 1-, 2-, or 3-pole blocks into segmented multipole assemblies as needed.All clips are made from high conductivity tin-plated copper, with options for spring reinforced clips available for 30A and 60A ratings, while 100A and above clips are inherently spring reinforced.

The Amp-Trap 2000 time-delay ATDR fuses are designed specifically for the protection of sensitive branch circuit components and small motors, ensuring IEC Type 2 "no damage" safety features. These Class CC fuses excel in time-delay performance, thus minimizing the risk of damage due to faults while providing superior cycling capabilities for small motor applications.With a rated voltage of 600V AC and 300V DC, these fuses are equipped with a 5A ampere rating and a breaking capacity of 200 kA, making them suitable for various industrial uses. The fuses feature a clip mounting style, with ferrule connections made from tin-plated copper, and a body constructed from GMG insulating material, enhancing their durability and reliability.

The NH fuse-link system, classified as a plug-in fuse system, consists of a fuse-base which may include terminal covers and phase barriers, along with a fuse-link featuring blade contact. A replacement device, known as the LV HRC fuse puller, is also part of this system. Due to its design, which does not ensure non-interchangeability of rated current, handling should be performed by qualified professionals.These type gG NH fuse-links possess a full range breaking capacity, effectively interrupting current from the lowest fusing levels up to their rated breaking capacity. This allows them to serve as standalone protection for electrical devices and industrial setups, safeguarding against the electrodynamic effects of high short-circuit currents. The NH fuse-links are compliant with standards such as DIN 57636 Part 201 and IEC 60269-1 and -2.

The D fuse-system represents the initial generation of screw fuse-systems adhering to the German DIN standard, which remains prevalent in various installations. This system encompasses sizes DII, DIII, DIV, and DV. The ultra-fast acting “gR” variants are specifically designed for semiconductor protection in scenarios where fuse-links may be accessed and replaced by untrained personnel.These fuse-links are vital for safeguarding components such as diodes, thyristors, and AC/DC motor drives. The designation “R” refers to Rectifier, highlighting their application focus. The D fuse-links are rated for a current range from 2A to 200A. The RECTICUR DIV fuse-link operates at an ampere rating of 80 A and a rated voltage of 500 V AC and 440 V DC. It features a maximum breaking capacity of 100 kA and has a product diameter of 1.46 inches. At its rated voltage, the clearing I2T is 7300 A²s, while the melting I2T is recorded at 3200 A²s. Additionally, it dissipates 18 W of power at the rated current value, and is manufactured with a ceramic insulating body.

The PCT series fuses are designed for time-delay direct mounting on printed circuit boards, fulfilling the need for reliable electrical protection. By integrating these fuses into the PCB, users can simplify assembly processes by eliminating the need for clips and fuseholders. This design enhances the efficiency of automated assembly while ensuring robust protection for vital components.With a rated voltage of 500V and an ampere rating of 4A, these fuses are suitable for safeguarding main frame power boards and low-interrupting small circuit breakers. Their high interrupting ratings of up to 100 kA further elevate their capability, making them UL Component Recognized. The use of tin-plated copper for the connection terminals ensures durability and conductivity, while the GMG insulating material contributes to overall performance.The PCT series fuses not only meet the electrical protection requirements but also comply with ROHS standards, ensuring environmental safety.

The NH fuse system operates as a plug-in fuse solution, comprising a fuse base that may include terminal covers and phase barriers, alongside a fuse-link equipped with blade contacts. This system requires handling by qualified personnel due to non-interchangeability of rated currents.The aM type NH fuse-links are designed for motor circuit protection, characterized by their partial-range breaking capacity. They limit current effectively, displaying low power loss while interrupting fault currents ranging from 6.3 times the rated current up to their maximum breaking capacity. This makes them suitable exclusively for short-circuit protection, necessitating supplementary switchgear for overload protection. These fuse-links can match the nominal current of the motor.Constructed from a ceramic body, these fuse-links are available in sizes 000, 00, 0, 1, 2, and 3. They utilize copper and silver-plated contacts and are compliant with several standards including DIN 57636 Part 201 and VDE 0636 Part 201, ensuring reliable performance in industrial applications.

Mersen offers a comprehensive selection of handles for Low Voltage Disconnect switches, including direct-mount, selector-style, and pistol-style variants, each available in various lengths. Many configurations feature locking capabilities and come in multiple colors, alongside differing IP and NEMA ratings. Additionally, metal handles and specialized options for flange mounting are also part of the range. The body materials include PA66/6 and stainless steel, ensuring compliance with relevant standards such as ROHS. For further details regarding CE conformity and lead-free specifications, consultation with Technical Services is recommended.

The DIV fuse-link gR is part of the D fuse-system, a screw fuse system adhering to the German DIN standard. This system, which includes sizes DII, DIII, DIV, and DV, is still prevalent in numerous installations. The gR series is specifically designed for ultra-fast protection of semiconductor components such as diodes, thyristors, and AC/DC motor drives. Notably, these fuse-links are accessible for replacement by untrained individuals, enhancing usability in various settings.With an ampere rating of 100 A and a rated AC voltage of 500 V, the fuse-link also features a rated DC voltage of 440 V. The maximum breaking capacity for AC is rated at 100 kA. When operating at rated voltage, the clearing I²T is measured at 14,000 A²s, while the melting I²T is 5,600 A²s. Power dissipation at the rated current is 22 W. The fuse-link is housed in a ceramic body, ensuring durability and reliability, and is mounted via a clip. The designation code for this product line is RECTICUR D gR, 500VAC / 440VDC.

The shafts are specifically designed to interlock with handles, ensuring that doors remain securely closed when the switch is activated. Variations in length allow them to accommodate enclosures of differing depths. These shafts are constructed from a lead-free material, with a body made of Fe/Zn, ensuring compliance with ROHS standards. For specific compliance inquiries, such as CE conformity, consultation with Technical Services is recommended.

The Protistor size 92 aR 1500VAC fuse-link provides essential protection for various power conversion devices, including rectifiers, inverters, and DC drivers. With its square body design and compliance with IEC 60269.4 standards, this fuse-link supports multiple mounting styles, facilitating flexibility in equipment design.Constructed with pure silver die-cut elements embedded in solidified sand, it effectively manages arcing characteristics, ensuring low I²t and high breaking capacity. The fuse-link features silver-plated contact surfaces and non-magnetic hardware for enhanced performance. Additionally, it is equipped with a low voltage trip-indicator, which can activate a field mountable microswitch, allowing for operational monitoring even during service.Applications for this fuse-link extend to UPS systems and voltage-reducing motor starters, making it suitable for a wide range of globally accepted applications.

The DIN 43625 fuse-link provides reliable protection for high-voltage motors in switchgear and control systems. With a voltage rating of 7.2kV and an ampere rating of 400A, it is engineered to guard against short circuit currents and handle repeated peak currents during motor starts. The fuse-link's components are constructed from high-quality materials: the fuse elements utilize pure silver, while the caps are made from silver-plated brass, and the body consists of melamine fiber glass. Adhering to IEC 60644 standards, this fuse-link has a coefficient K of 0.51, ensuring optimal performance.With a breaking capacity of 50 kA, the fuse-link effectively interrupts fault currents, while its minimum interrupting rating is set at 2700 A. The Limitor® series enables a high level of durability and reliability, making it suitable for demanding applications. Additionally, the fuse features a cylindrical connection terminal, facilitating straightforward installation with a clip mounting method. Its dimensions include a diameter of 88mm and a length of 442mm, making it compatible with various setups in high-voltage environments.

The Cylindrical Fuse-Link 27x60 gLB 440VDC 160A with Striker is engineered for optimal protection of railway power and auxiliary circuits. This fuse-link is constructed to operate effectively at higher temperatures compared to standard fuse types, ensuring reliability in demanding environments. With a rated current of 160A and voltage of 440V, it incorporates advanced technology to minimize damage during short circuits through a lower I²t rating. The design also features reduced power loss, contributing to an extended operational lifespan. The fuse is made from a ceramic insulating material, with silver-plated copper terminals configured as ferrules for secure connections. It has a maximum rated breaking capacity of 100kA, making it suitable for high-performance applications. This product is part of the Protistor® line, size 27x60 gLB, and is mounted using a clip for easy installation.

The Surge-Trap Type 1 STZ Series is designed to provide superior surge protection at service entrance points, specifically for industrial and commercial applications. Utilizing Mersen's advanced TPMOV® Technology, this surge protective device does not necessitate additional overcurrent protection, making it suitable for critical load safeguarding.Featuring a maximum operating temperature of 85 °C and a minimum operating temperature of -35 °C, the STZ series is built to perform under a wide range of environmental conditions. It has a short circuit current rating (SCCR) of 200 kA and offers multiple mounting options for versatility in both new and retrofit installations.With a nominal operating voltage rating of 480Y/277 V, the device supports various protection modes, including L-G, L-L, L-N, and N-G. The configuration is optimized for 3-Phase Wye systems, and it is housed in a durable plastic casing with a flammability rating of UL94-5VA. The connection terminal type is box-style, designed for panel or wall mount installations.