Mersen Ricambi per Automazione Industriale

Mersen aM and gG fuse-links cover a wide range of physical sizes and ampere ratings for 400, 500, and 690VAC for protection in electrical distribution circuits and various industrial applications. Most ratings are available in size 8x31 and size 10x38 with an optional indicator, and in size 14x51 and 22x58 with an optional striker to activate an auxiliary contact. All cylindrical fuse-links have ceramic bodies and silver-plated ferrules. Cylindrical fuse-links gG are used for the protection of cables, motors and LV-networks. They limit and cut off unacceptable overcurrents and short-circuit currents up to their nominal breaking capacity. Cylindrical fuse-links gG also protect electrical equipment and installations against the dynamic effect of high short-currents. Our technology and process was designed to ensure highly reliable technical performance.

The Amp-Trap 2000 SmartSpot A2D-R fuses are engineered to deliver IEC Type 2 "no damage" protection for mains, feeders, and branch circuits that cater to both motor and non-motor loads. Rated at 250V and 30A, these time-delay fuses are capable of rapid interruption under extreme fault conditions, thus ensuring maximum short circuit protection. This capability helps to safeguard motor starters, switches, and various other circuit components from potential damage.Moreover, the time-delay feature of the A2D-R fuses accommodates the in-rush currents associated with motors, making them suitable for a variety of applications. These fuses can also effectively replace outdated 250V Class H, K, or RK5 fuses currently in use. The design includes a SmartSpot® indication system to provide visual feedback on fuse status.Constructed with a poly tube body and fitted with tin-plated copper terminals, this fuse is compliant with ROHS standards. Its clip mounting style and dimensions of 2 inches in length and 0.56 inches in diameter make it adaptable for numerous installations.

The D fuse-system represents the initial generation of screw fuse systems adhering to the German DIN standard, which remains prevalent in numerous installations. These fuse-bases are specifically applied in low voltage distribution units, enabling personnel without specialized training to replace fuse-links safely. This product range includes sizes NDZ, DII, DIII, DIV, and DV. The D fuse-links gG offer protection for cables and power lines by effectively limiting and interrupting excessive overcurrents and short circuit currents, up to their specified nominal breaking capacity. Additionally, D fuse-links gG safeguard equipment and installations from the dynamic impacts associated with high short circuit currents. Operating at an AC voltage of 500 VAC and a DC voltage of 500 VDC, these fuse-bases comply with DIN VDE 0636-301 standards and are CE certified. The product supports a range of applications, including house incoming units, meter distribution units, distribution cabinets, installation cabinets, and fuse boxes, with ampere ratings between 25 and 63 A. For further details regarding lead-free compliance, consultation with Technical Services is advised.

The OTS series of fuses are designed for general purpose applications, providing cost-effective protection for feeder and branch circuits that serve lighting, heating, and other non-motor loads. With a rated voltage of 600V AC and 300V DC, this fuse has an ampere rating of 1A and is classified as Class K5.This fast-acting fuse can safely interrupt available short circuit currents up to 50,000 amperes, ensuring robust performance in critical applications. It features a clip mounting style and is constructed with copper terminal materials, utilizing ferrule connection types for reliable integration. The insulating body is made from paper, contributing to its lightweight design, which is 0.11 lb and measures 5 inches in length with a diameter of 0.81 inches.It is important to note that OTS fuses are not rejection fuses; therefore, care must be taken to ensure that replacement fuses maintain the required interrupting ratings.

The 700V Size 14x51, 22x58 A70QS - High-Speed Semiconductor Fuses are an integral part of the A70QS product line, known for their reliability in various applications. These fuses are rated for 690VAC and 700VDC, ensuring compatibility with a wide range of equipment. With an interrupting rating of 200kA at AC and 100kA at DC, these fuses provide superior protection against short circuits. They are capable of handling a 10 to 800 A ampere range, making them suitable for small inverter drives, UPS systems, and solid-state relays. Designed to be robust, these fuses have a ceramic body and utilize a ferrule connection terminal type. They comply with IEC 269-4 standards and are UL recognized, reflecting their adherence to stringent safety and performance criteria. The fuses also feature an 890 VDC rating for capacitor discharge applications, supporting a 2.5ms time constant, making them versatile for various applications. These fuses ensure improved protection and performance due to their superior I²t characteristics, which enhances their suitability for motor drives and similar equipment operating at 700V or less.

The Form 600 Fuse is a current-limiting fuse with a rated voltage of 600V and an ampere rating of 150A, making it suitable for various electrical applications. It features a maximum operating temperature of 80 °C and can be stored within a temperature range of -25 °C to 80 °C. The fuse is designed for both AC and DC applications, with a maximum breaking capacity of 200 kA.This fuse type has a blade mount connection terminal made of silver-plated copper, ensuring reliable connectivity. The Form 600 fuses are dimensionally interchangeable with Class H and K fuses for Types 1 and 3, while Types 4 and 5 have distinctive rejection dimensions.For specialized fusing requirements, the 500V DC rating up to 600A enhances its utility in specific applications. This product falls under the A6Y series and utilizes GMG as the body insulating material, ensuring effective performance in demanding environments.

The Tri-Onic TRS-R is a current-limiting time-delay fuse that provides essential overcurrent protection for a variety of electrical systems, including motors, transformers, service entrance equipment, feeders, and branch circuits. With its time-delay feature, this fuse effectively manages harmless starting and inrush currents commonly found in modern motor and transformer applications.Rated for a maximum AC voltage of 600V and a DC voltage of 300V, it operates efficiently at frequencies of 50/60 Hz. The fuse has an ampere rating of 50A and belongs to Class RK5, ensuring it meets specific protection standards. Its construction includes a copper terminal with a ferrule connection type, while the body is made of PolyTube material.One notable feature is the SmartSpot® indication system, which enhances visibility regarding the fuse's status. The fuse also offers a maximum interrupting rating of 200 kA, providing a robust safety measure against overcurrent conditions. The product dimensions include a diameter of 1.06 inches and a length of 5.5 inches, with a total weight of 0.35 lb.

The NH fuse-link system is categorized as a plug-in fuse system, consisting of essential components including a fuse-base, which may feature terminal covers and phase barriers, and a fuse-link with blade contact. This setup is complemented by a fuse-link replacement device, commonly referred to as an LV HRC fuse puller. Due to the system's design, it is imperative that only qualified professionals handle the rated current to prevent interchangeability issues.Type gG NH fuse-links are recognized for their full range breaking capacity, making them suitable for protecting cables and equipment from current surges, spanning from the lowest fusing current to their maximum breaking capacity. They are capable of functioning independently as protective devices, guarding electrical installations and industrial setups against the electrodynamic consequences of significant short-circuit currents. Compliance with standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2 reinforces their reliability in various applications. The body material is ceramic, and the products are available in sizes according to standard classifications 000, 00, 0, 1, 2, and 3. Additionally, these fuse-links are RoHS compliant and made with copper and silver-plated contacts.

The A2D-R fuses in the Amp-Trap 2000 series deliver IEC Type 2 'no damage' protection for mains, feeders, and branch circuits catering to both motor and non-motor loads. Rated for 250V AC and DC, these fuses feature an ampere rating of 7A and are designed for time-delay applications, ensuring they can quickly interrupt extreme fault conditions while accommodating motor in-rush currents.With a maximum interrupting rating of 200 kA, the A2D-R fuses prevent damage to critical components like motor starters and switches. They can effectively replace older 250V Class H, K, or RK5 fuses already in use. The fuses are constructed with a poly tube body and utilize tin-plated copper for the connection terminals, ensuring reliable performance.

The 600VAC 7A Time-Delay Class J AJT Series fuse incorporates advanced materials to offer IEC Type 2 No Damage protection across main, feeder, and branch circuits, accommodating various load types. Notably, it requires only half the mounting space compared to traditional 600VAC Class RK fuses, making it a space-efficient choice in electrical systems.The time-delay functionality is particularly beneficial in managing inrush currents typical of motors and transformers, while its superior current-limiting capability enhances overall system reliability. The fuse operates effectively within a rated voltage of 600V AC and 500V DC, and is compliant with ROHS standards. Its mounting type is clip, and the connection terminals are made from tin-plated copper, designed as ferrules. The body is composed of GMG insulating material, ensuring durability and safety.

The NRN series fuses, rated at 250V and 300A, are classified under Class H and are designed for non-time delay applications. This product features a short circuit rating of 10kA, ensuring reliable performance under fault conditions. The fuses are compliant with the Canadian Electrical Code as Type 'P' fuses, suitable for low melting-point applications. With a mounting style of clip, the fuse utilizes copper for its connection and terminal materials, while the body is constructed from PolyTube insulating material. The dimensions include a length of 8.63 inches and a diameter of 2.13 inches, weighing 1.45 lb, which contributes to its usability in various electrical systems. The packaging dimensions include a sell pack width of 2.12 inches, a length of 8.81 inches, and a height of 2.12 inches, with a total sell pack weight of 1.52 lb.

The TRS-R series fuses provide current-limiting time-delay functionality, specifically aimed at safeguarding motors, transformers, service entrance equipment, feeders, and branch circuits. With a rated voltage of 600V AC and DC, these fuses are capable of handling inrush currents that may occur during the startup of various equipment. Featuring a time-delay characteristic, the TRS-R effectively manages harmless starting currents, ensuring reliable operation in demanding conditions. The fuse has an ampere rating of 0.6A and a breaking capacity of up to 200 kA, accommodating the high demands of modern electrical systems. Constructed with a copper terminal type and housed in a PolyTube body, this fuse's design allows for easy installation via clip mounting. Measuring 5 inches in length and 0.81 inches in diameter, this product has a weight of 0.2 lb, making it suitable for a variety of applications requiring compact overcurrent protection solutions.

The NH fuse-link system is categorized as a plug-in fuse system, comprising a fuse-base, which may include terminal covers and phase barriers, along with a fuse-link equipped with blade contacts and a replacement device (LV HRC fuse puller). Due to the system's design, interchangeability of rated current cannot be assured, and handling should be performed by qualified professionals.These aM NH fuse-links offer partial-range breaking capacity, making them suitable for protecting motor circuits due to their strong current-limiting characteristics and minimal power losses. They can interrupt currents from 6.3 times the rated current up to their maximum breaking capacity, making them ideal for short-circuit protection. It is essential to pair them with additional switchgear to guard against overloads. The rated current of these fuse-links can match the nominal current of the motor.

The Protistor BS88-4 17x49 gR 690VAC fuses are engineered for superior breaking capacity, ensuring effective protection for power semiconductors in accordance with IEC standards 60269-1 and -4. These fuses operate within a voltage rating of 690V and are classified under gR class, supporting current ratings between 12 and 90A.They offer enhanced safety features, facilitating the clearing of overloads and promoting selective coordination with distribution circuit fuses of aR class, which accommodate current ratings up to 100A, as per VDE 636-23 and IEC 60269-4 standards. Connections adhere to German standard DIN 43653/00C and British standard BS88-4.All units are UL Recognized and comply with ROHS and CE regulations, ensuring they meet stringent safety and environmental standards. The fuses are lead-free as per technical services guidelines.

The Fuse 250V 450A Fast-Acting Class K5 OT Series offers essential protection for electrical systems serving lighting, heating, and other non-motor loads. Designed for one-time use, these OT and OTN fuses can safely interrupt short-circuit currents up to 50,000 amperes across all ratings, ensuring reliable operation in various applications. It is important to note that these fuses are not rejection fuses, and it is critical to select replacement fuses with equal or higher interrupting ratings to maintain system integrity. The OTN(15-60) variants comply with Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses. This particular fuse features a rated voltage of 250V for both AC and DC applications, and is classified as Class K5. It has a fast-acting characteristic, making it suitable for protecting against unexpected overloads. The fuse is mounted using a clip and is constructed with a poly tube body, ensuring durability and reliability.

The NH fuse system features a plug-in design that includes a fuse base, which may come with terminal covers and phase barriers, along with a fuse-link equipped with blade contacts. This system is designed for specific applications, including general purpose cable and line protection, categorized under the gG speed/characteristic. Due to its nature, the system cannot ensure non-interchangeability of rated current, thus necessitating that handling be performed by qualified professionals.Constructed with a ceramic body, the fuse-links are available in sizes 000, 00, 1, 2, and 3, complying with DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2 standards. The materials used in contact include copper and silver-plated components. Additionally, the product meets CE conformity and is ROHS compliant, although further consultation with technical services is advised for lead-free specifics.

The NH fuse-link system, recognized as a plug-in fuse solution, comprises a fuse-base that may include terminal covers and phase barriers, alongside a fuse-link equipped with blade contacts and a fuse-link replacement device (LV HRC fuse puller). Due to the design of this system, it necessitates handling by qualified professionals to ensure the correct interchangeability of rated currents.Type gG NH fuse-links are designed to offer comprehensive protection against surges, effectively interrupting currents from the minimum fusing current up to their specified breaking capacity. This capability allows them to function independently as protective devices. Additionally, these fuse-links safeguard electrical equipment and industrial systems from the electrodynamic impacts of substantial short-circuit currents.With an ampere range extending from 2 to 800 A, these fuse-links comply with standards including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. They consist of copper and silver-plated contacts and a ceramic body material, making them suitable for general-purpose cable and line protection applications. The sizes available conform to standard sizes 000, 00, 0, 1, 2, and 3, and they are CE compliant. For lead-free specifications and ROHS compliance, consultation with Technical Services is recommended.

The A50P Amp-Trap® Form 101 high-speed fuses are specifically designed for applications such as DC drives and uninterruptible power supplies, where enhanced protection and reliability are critical. With a maximum operating temperature of 80 °C and a minimum storage temperature of -25 °C, these fuses are built to withstand demanding conditions. Featuring an ampere rating of 600 A and a rated voltage of 500 V AC and 450 V DC, the A50P offers a substantial breaking capacity of 50 kA. The body is constructed from GMG insulating material, while the connection terminals are made of tin-plated copper and utilize a blade type connection. The mounting method is bolted, ensuring secure installation. This fuse is commonly used for replacement in existing systems, providing superior performance with a lower I2t for better protection. The designation code for this product is A50P, and it is part of the Amp-Trap® product line.

The Amp-Trap A2K-R series fuses are engineered for current-limiting applications, providing reliable protection in scenarios with significant short-circuit currents. These fast-acting fuses are ideal for use in branch and feeder circuits, as well as for back-up protection.With a rated voltage of 250V AC and DC, these fuses exhibit a breaking capacity of up to 200 kA, ensuring effective interruption during fault conditions. The Class RK1 designation indicates suitability for various electrical environments, further enhanced by ROHS compliance.These fuses feature a compact design with a length of 2 inches and a diameter of 0.56 inches, weighing only 0.05 lb, making them suitable for space-constrained installations. The clip mounting style allows for straightforward integration, while the tin-plated copper terminals provide reliable electrical connections.

The A6D-R time-delay fuses are engineered to provide IEC Type 2 'no damage' protection for mains, feeders, and branch circuits that service both motor and non-motor loads. With a rated voltage of 600V AC and DC and an ampere rating of 20A, these fuses ensure rapid operation under extreme fault conditions, delivering maximum short circuit protection to safeguard motor starters, switches, and other circuit components. The time-delay feature accommodates motor in-rush currents, making them suitable replacements for older 600V Class H, K, or RK5 fuses already in use.Each fuse utilizes a SmartSpot® indication system that enhances fault detection capabilities. The fuse body is constructed from PolyTube material, and connections are made with tin-plated copper ferrules. The compact dimensions of the A6D fuse measure 5 inches in length and 0.81 inches in diameter, with a weight of 0.14 lb, facilitating easy installation in various applications.