General Accessories Mersen

The DIN 43625 fuse-link serves as a protective component for high-voltage motors, ensuring reliability in switchgear and control systems. Designed specifically for motor protection, it safeguards against short circuit currents and supports repeated peak currents during motor starting. Constructed with high-quality materials, the fuse elements are made of pure silver, while the caps consist of silver-plated brass, and the body is composed of melamine fiber glass. According to IEC 60644 standards, the coefficient K is set at 0.51, emphasizing its effectiveness in high-voltage applications. This fuse has a diameter of 50.8mm and a length of 292mm, suitable for clip mounting. It is capable of withstanding a maximum breaking capacity of 50kA and has a minimum interrupting rating of 380A. The clearing I2T at rated voltage is rated at 60 kA²s, with a power dissipation of 20W at 0.7 times the rated current.

The A60X high-speed fuses are specifically engineered for safeguarding high-voltage heavy rectifiers, such as those used in traction applications. With a current rating of 90A and a rated voltage of 600V, these fuses accommodate long sustained overloads typical in heavy-duty apparatus.Characterized by a compact hockey-puck design, sizes ranging from 700A to 2000A offer significant power protection while occupying minimal space. The fuse features a maximum operating temperature of 80 °C and a breaking capacity of 200 kA, ensuring reliable performance under demanding conditions. The body is constructed from GMG insulating material, while the connection terminals are made of tin-plated brass and utilize a bolted connection type.

The NH fuse-links are part of a plug-in fuse system designed for cable and equipment protection. This system consists of a fuse-base, which may include terminal covers and phase barriers, and a fuse-link with blade contact. A fuse-link replacement device, such as a LV HRC fuse puller, may also be utilized. Due to the inherent design limitations regarding rated current interchangeability, it is essential that these components are handled by qualified personnel. Type gG NH fuse-links are characterized by their ability to interrupt current surges across a wide range, from the minimum fusing current to their specified breaking capacity, allowing them to serve as standalone protection. They effectively safeguard electrical devices and industrial setups against the electrodynamic consequences of high short-circuit currents. Compliance with standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2 is ensured. The fuse-links are available in sizes 000, 00, 0, 1, 2, and 3 and can accommodate an ampere range of 2 to 500 A, making them suitable for general-purpose cable and line protection applications.

The TPMOV 270V incorporates Mersen's patented technology to address common failure modes found in traditional metal oxide varistors. This device integrates a voltage clamping apparatus and a disconnecting mechanism that continuously monitors the metal oxide disk, ensuring reliable operation as a fail-safe component.In the event of an overvoltage situation, an arc shield effectively disconnects the metal oxide disk from the power system. Furthermore, the TPMOV is equipped with a micro-switch that provides remote indication and a visual pin indicator to signal failure status. The device, with a surge capacity of 75 kA at 8/20μs peak surge current, operates within the same footprint and features a maximum continuous operating voltage (MCOV) range of 150V to 320VAC.Rated for a frequency of 50/60 Hz, this model supports a maximum operating temperature of 85 °C and a minimum operating temperature of -40 °C. It has a short circuit current rating (SCCR) of 200 kA and is designed for PCB mounting. The housing is constructed from PET (Polyethylene Terephthalate), ensuring durability and reliability in various environments. The TPMOV is classified as Type 1 Component Assembly under UL standards.

The NH fuse-link system is a plug-in type that includes essential components such as a fuse-base, which may feature terminal covers and phase barriers, along with a fuse-link equipped with blade contact. Additionally, a fuse-link replacement device (LV HRC fuse puller) is part of the setup. Due to design considerations, it is crucial that handling is performed by qualified personnel to ensure proper functionality and safety. These type gG NH fuse-links are characterized by their full range breaking capacity, meaning they can effectively protect cables and equipment against current surges from the minimum fusing current up to their specified breaking capacity. This makes them suitable for standalone protective applications. Furthermore, they are adept at safeguarding electrical devices and industrial configurations from the electrodynamic impacts of substantial short-circuit currents. Applications include general purpose cable and line protection, utilizing materials such as copper and silver-plated contacts, while complying with standards such as VDE 0636 Part 201 and IEC 60269-1 and -2. The ampere range spans from 2 to 630 A, ensuring versatility in various settings. The body of the fuse-link is made from ceramic, contributing to its durability and reliability.

The Non-Fused Enclosed Disconnect Switches are engineered to fulfill the need for individual disconnecting solutions that are both compact and resilient. These switches are available in a range of enclosure types, including NEMA 1, NEMA 4X stainless steel, NEMA 12, NEMA 4X non-metallic, and NEMA 3R, ensuring adaptability to various environmental conditions. The use of stainless steel for the body material enhances durability, making them suitable for harsh industrial settings.Designed for load break switching, these devices ensure compliance with NEC Article 430 by allowing for circuit isolation while maintaining visibility of all motor loads. With an operational voltage of up to 600 VAC and capable of handling DC voltage up to 250 VDC, they accommodate a wide array of applications such as food processing and conveyor systems.The ampere range spans from 16 to 1200 A, and the switches feature a connection terminal type of box, making installation straightforward. Additionally, they conform to various standards including UL 508A, UL 508, and UL 98, alongside CSA and IEC versions available for specific requirements. The inherent safety features and ease of installation make these disconnect switches a practical choice for ensuring operational reliability in demanding environments.

This fuse is classified under the BS88-4 standard and features a size of 17x27 mm, operating at a voltage of 250VAC. It is engineered to provide exceptional breaking capacity, ensuring reliable protection for power semiconductors as per IEC standards 60269-1 and 60269-4. This model does not include an indicator and adheres to the IEC 33 gR class as outlined in VDE 636-23.The fuse supports an ampere range from 7 to 180 A and is recognized under UL standards. Compliance with ROHS and CE is subject to consultation with technical services. The fuse is lead-free and designed with an aR characteristic for optimal performance.

The NH fuse system comprises essential components including a fuse-base, which may incorporate terminal covers and phase barriers, along with a fuse-link featuring blade contact. It is crucial that the handling of this system, especially due to its inability to guarantee non-interchangeability of rated current, be performed by qualified personnel.Type gG NH fuse-links are designed with a full range breaking capacity, enabling them to protect cables and equipment effectively. Their operational range allows them to interrupt current surges from the lowest fusing current to their maximum breaking capacity, making them suitable for standalone protective applications. Additionally, these fuse-links safeguard electrical devices and industrial setups against the electrodynamic effects caused by high short-circuit currents.These fuse-links meet various standards including VDE 0636 Part 201 and IEC 60269-1 and -2, confirming their compliance with CE requirements. Constructed from ceramic, they feature copper and silver-plated contacts, and are available in sizes defined by the standard: 000, 00, 0, 1, 2, and 3, with an ampere range from 2 to 630 A. The gG characteristic indicates their suitability for general purpose cable and line protection.

The NH gG fuse-links serve as essential components within the NH plug-in fuse system, which includes a fuse-base, potentially equipped with terminal covers and phase barriers, as well as a fuse-link featuring blade contacts and a fuse-link replacement device (LV HRC fuse puller). Due to the nature of this system, which does not ensure non-interchangeability of rated currents, it is imperative that handling is conducted by qualified professionals.These fuse-links are classified under the full range breaking capacity category, providing essential protection for cables and equipment. They are capable of interrupting any current surge, ranging from the lowest fusing current up to their specified breaking capacity. Consequently, they can function independently as a protective measure. Moreover, they safeguard electrical devices and industrial setups against the electrodynamic effects associated with high short-circuit currents.Type gG NH fuse-links are constructed from ceramic, featuring a square body style and are compliant with various standards, including VDE 0636 Part 201 and IEC 60269-1 and -2. They are available in an ampere range from 2 to 630 A, utilizing copper and silver-plated materials for contacts. Certification includes CE conformity and compliance with ROHS directives, with lead-free components available upon consultation with technical services.

The NH fuse-link system is categorized as a plug-in fuse system, consisting of essential components including the fuse-base, which may include terminal covers and phase barriers, as well as the fuse-link itself with blade contact. A fuse-link replacement device, specifically a low-voltage HRC fuse puller, is also part of this setup. Type aM NH fuse-links are recognized for their partial-range breaking capacity, specifically designed to safeguard motor circuits due to their strong current-limiting capabilities and minimal power losses.These fuse-links are capable of interrupting currents that are 6.3 times the rated current (In) up to their maximum breaking capacity, making them suitable exclusively for short-circuit protection. For effective overload protection, these fuse-links should be paired with additional switchgear. Notably, the rated current of these fuse-links can match the nominal current of the motor they protect.Constructed from materials such as copper and silver-plated contacts, the fuse-links are compliant with ROHS standards, with a ceramic body style that adheres to various industry standards including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. The ampere range spans from 400 to 1000 A, ensuring versatility in motor circuit applications.

The NH fuse-link system is a plug-in solution designed for operational reliability in various electrical applications. It includes components such as a fuse-base, which may feature terminal covers and phase barriers, along with the fuse-link itself that utilizes blade contacts. This system is suitable for a range of ampere ratings from 32 to 1250 A and operates within an AC voltage range of 500 - 690 VAC. It is important to note that due to the design's characteristics, rated current interchangeability cannot be assured, hence handling should be performed by qualified personnel. The fuse-links comply with relevant standards, including VDE 0636 Part 201 and IEC 60269-1 and -2, and are intended for partial applications, particularly motor circuit protection. The ceramic body is shaped in a square style and features copper and silver-plated contacts. Additionally, the design adheres to CE conformity and is ROHS compliant, with specific advisories to consult technical services for lead-free options.

The Tri-Onic TR-R series time-delay fuses provide essential overcurrent protection for motors, transformers, service entrance equipment, feeders, and branch circuits. With a rated voltage of 250 V AC and 160 V DC, this Class RK5 fuse effectively manages harmless starting and inrush currents typical of modern electrical devices.Its time-delay characteristics enable it to sustain temporary overloads without tripping, ensuring reliable operation during startup phases. The fuse features a maximum interrupting rating of 200 kA, ensuring it can handle significant fault currents. Constructed with a copper terminal and a PolyTube body, it meets ROHS compliance standards.Dimensions include a length of 2 inches and a diameter of 0.56 inches, with a weight of 0.05 lb. The fuse includes a SmartSpot® indication system for easy status monitoring. This product is designed for clip mounting and operates at frequencies of 50/60 Hz.

The NH fuse-link system operates within a voltage range of 500 to 690 VAC and is tailored for specific applications, particularly motor circuit protection. This system comprises a fuse base, which may include terminal covers and phase barriers, and a fuse-link featuring blade contact, along with a replacement device for fuse links known as the LV HRC fuse puller. It is essential that this system is managed by qualified professionals due to the potential interchangeability of rated currents.Constructed from ceramic, the body of the fuse link supports an ampere range of 32 to 1250 A. The materials utilized for contact include copper and silver-plated options, ensuring reliable conductivity. Compliance with international standards such as VDE 0636 Part 201 and IEC 60269-1 and -2 confirms the system's integrity. Additionally, this product is CE compliant and adheres to ROHS regulations, with lead-free materials available upon request. Notably, the square body style aligns with size standards, accommodating sizes 0 through 4.

The Protistor BS88-4 size 17x49 and 2x17x49 aR/gR (GRB, URB/C/Y/Z) is engineered for high performance, adhering to IEC standard 60269-1 and -4. It operates at a voltage rating of 690VAC and is classified under IEC 33 gR class, accommodating current ratings from 12 to 90A. This ensures comprehensive overload protection and enhanced safety measures.In addition, this fuse enables selective coordination with all fuses within the distribution circuit, particularly within the aR class that supports current ratings up to 100A, as specified by VDE 636-23 and IEC 60269-4. The connection adheres to both DIN 43653/00C and BS88-4 standards, ensuring compatibility with various electrical systems. These fuses are also UL Recognized, affirming their compliance with international safety standards.

The NH fuse-link system is a plug-in fuse solution that includes a fuse-base, which may feature terminal covers and phase barriers, alongside a fuse-link equipped with blade contacts. A replacement device is also available for convenient handling. Due to the system's design, which does not ensure the non-interchangeability of rated currents, it is essential that these components be installed and maintained by a qualified professional.This fuse-link adheres to several standards, including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, ensuring compliance with industry regulations. The fuse-link is characterized by its square body style and operates within an ampere range of 2 to 630 A, specifically suitable for general-purpose applications. Materials used in construction include copper with silver plating, and the body is made from ceramic, aligning with ROHS compliance standards. For additional inquiries regarding lead-free options, consultation with technical services is recommended.

The Cylindrical Fuse Protistor® Size 36x250 gR offers advanced protection for railway power and auxiliary circuits. This fuse-link is engineered to meet the demands of modern DC equipment, operating effectively at elevated temperatures compared to conventional fuses.With an ampere rating of 32 A and a rated voltage of 2000 V, it ensures enhanced performance with a lower I²t value, significantly reducing potential damage to protected components during short circuits. The design also features lower power dissipation at rated current, rated at 26 W, which contributes to a longer operational life.The fuse measures 1.42 inches in diameter and includes a ceramic insulating body, with connection terminals made of silver-plated copper for optimal conductivity. Its mounting is clip-based, and it has a maximum rated breaking capacity of 30 kA. The Protistor® Size 36x250 gR is ideally suited for applications requiring reliable and efficient circuit protection.

Mersen offers a comprehensive selection of handles designed for Low Voltage Disconnect switches, featuring options such as direct-mount, selector-style, and pistol-style configurations in various lengths. Many handles incorporate locking mechanisms and come in a range of colors, meeting different IP and NEMA ratings for enhanced functionality. The handles are constructed from durable materials, including PA66/6 and stainless steel, ensuring compliance with RoHS standards. For specialized applications, metal handles and flange-mounting options are also available. This product is CE compliant, and for specific inquiries, consulting Technical Services is recommended.

The NH fuse-link system is designed for plug-in applications and comprises several components: a fuse-base, which may include terminal covers and phase barriers, and a fuse-link featuring blade contacts. This system also incorporates a fuse-link replacement device, specifically an LV HRC fuse puller. Due to the system's design, it is essential that only qualified professionals handle the installation and maintenance, as the rated current cannot be ensured to be non-interchangeable.These fuse-links are constructed with a square body made from ceramic and are characterized by a gG speed rating. They conform to CE standards and comply with VDE 0636 Part 201 as well as IEC 60269-1 and -2. The materials used in the contacts include copper with silver plating, and they are available in ampere ratings ranging from 32 to 1250 A. The operational AC voltage range extends from 500 to 690 VAC, making them suitable for general-purpose cable and line protection.

The STP T23 20 is a combined Type 2+3/Class II+III surge protection device that effectively discharges voltage surges, adhering to the standards set by EN/IEC 61643. It is intended as the final stage of protection in systems that already utilize upstream Type 2 protection devices, such as the STP T2 40. Installation should be performed as close as possible to the equipment requiring protection.This device features a body constructed from PA66 CT1; V-0, with contacts made of steel, ensuring durability and compliance with CE regulations. It supports DIN-rail mounting and is available in configurations ranging from 1 to 4 poles. Notable applications include industrial and automation sectors, commercial and residential installations, telecommunications, IT and data centers, LED outdoor lighting, water treatment facilities, smart grid systems, low-voltage metering, and renewable energy sources such as photovoltaic and wind systems.

The NH fuse-link system is a plug-in fuse solution comprising a fuse base, which may include terminal covers and phase barriers, alongside a fuse-link featuring blade contacts. A fuse-link replacement device, specifically a low voltage high rupture capacity (LV HRC) fuse puller, is also part of this system. Due to the design's inability to ensure non-interchangeability of rated current, it is imperative that installation and maintenance are performed by qualified professionals.Constructed from materials including copper and silver-plated contacts, these fuse-links adhere to multiple standards, including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, confirming their compliance with CE regulations. The fuse-links are suitable for general-purpose cable and line protection, with an ampere range from 2 to 630 A. The square body style is made of ceramic, providing durability.