Mersen Industrial Automation Spare Parts

The fuse base is designed for use with 30 ampere Class CC midget fuses, specifically those measuring 1-1/2” x 13/32”. It features a versatile design that allows for installation via box, screw, or pressure-plate connectors, suitable for both stranded and solid copper wire. The insulator material is glass-filled polycarbonate (GFPC), which has a verified dielectric strength exceeding 2500V.Additionally, the fuse blocks incorporate a unique adder block mechanism that enables the formation of multi-pole segmented blocks by snapping onto 1-, 2-, or 3-pole configurations. All fuse clips are constructed from high conductivity tin-plated copper alloy, ensuring reliable electrical performance.Key specifications include a maximum operating temperature of 80 °C and a short circuit current rating (SCCR) of 200 kA. The product is compatible with a frequency of 50/60 Hz and features a torque rating of 35 lb-in. Installation options include screw mount or DIN rail, making it adaptable to various applications.

The A30QS Amp-Trap Semiconductor Protection fuse is specifically engineered for the protection of power semiconductors, such as diodes and phase control SCRs, within applications requiring voltages of 300V or less. With an impressive interrupting rating of 100 kA for DC and 200 kA for AC, this fuse is suitable for protecting AC/DC drives, uninterruptible power supplies (UPS), and various equipment. Featuring a cylindrical body style with a non-rejection design, it utilizes materials such as tin-plated brass and silver-plated copper for its contacts to ensure reliable performance. The connection terminal type is configured as a ferrule blade, accommodating various setups. The A30QS is compliant with relevant UL standards and RoHS directives, thus meeting industry requirements for safety and environmental responsibility. This fuse operates within an ampere range of 1 to 4500 A, making it versatile for a range of applications. Its construction from ceramic GMG material enhances durability and functionality, ensuring that it effectively meets critical protection needs.

The A70P Amp-Trap® Form 101 high-speed fuse is engineered for use in higher voltage AC and DC drives, UPS systems, and reduced voltage motor starters. It is particularly suitable for scenarios where a lower l²t is essential alongside superior reliability. With a wide range of available ratings, the A70P is frequently utilized for replacement purposes. Its maximum operating temperature reaches 80 °C, while it can withstand storage temperatures as low as -25 °C and as high as 80 °C.This fuse has an ampere rating of 20 A and a rated voltage of 700 V AC and 650 V DC. The high-speed characteristic ensures it responds quickly to overcurrent conditions, with an AC maximum breaking capacity of 50 kA. The product features a diameter of 0.56 inches and is constructed with a GMG insulating material, ensuring robust performance in demanding environments. The connection terminals, made of tin-plated copper, utilize a bolted type for secure installation.

The Class J Fused Disconnect is designed for high-performance applications, rated at 600V and 60A. This device is compliant with UL 98 standards and is marked with CE certification, adhering to IEC 60947-3 regulations. It is a service entrance device capable of both load-make and load-break operations at full rated capacity.Notably, the switch features a compact footprint, allowing for versatile installation. The modular design permits the handle to be positioned anywhere across the poles, enhancing accessibility. A safety feature prevents the fuse doors from opening while the switch remains in the 'ON' position, ensuring operational safety. Additionally, the double-break contact type isolates the fuse clips from voltage during fuse replacement, mitigating risks during maintenance.For testing purposes, the switch includes a 'Test' position that activates auxiliary contacts without requiring main power. Power taps facilitate the energization of a CPT or surge device without the need for an additional terminal block. The unit supports a wide range of ergonomic handles and accessories to suit various operational needs.This model features an operating temperature range from -5 °C to 40 °C, with storage capabilities from -25 °C to 55 °C. It has a short circuit current rating (SCCR) of 200 kA and a rated insulation voltage of 1000 V. The device can accommodate wire connections in a range from #14 to #4 and is installed using a direct screw mount method.

The fuse bases accommodate Class H, K, and R power fuses at voltages of 250 and 600V. They support various wire connection types, including screw, pressure plate, box, and special order stud connectors, suitable for stranded or solid copper and aluminum wires. The insulators utilized are composed of molded glass-filled polycarbonate (GFPC) or phenolic, providing verified dielectric strength exceeding 2500V. This model features a unique adder block that can be attached to 1-, 2-, or 3-pole blocks, allowing for the creation of multipole segmented blocks tailored to specific needs. All fuse clips are constructed from high conductivity tin-plated copper, with options for spring reinforced or non-spring reinforced clips available for 30A and 60A ratings. Clips rated 100A and above are equipped with spring reinforcement. Technical specifications include a short circuit current rating (SCCR) of 50 kA, an ampere rating of 30 A, and a maximum fuse rating of 30 A. The fuse bases are rated for a maximum operating temperature of 80 °C and can be stored between -25 °C and 80 °C. They feature a torque rating of 35 lb-in and are designed for direct screw mounting. The product is designated under Class H/K 600V fuseholders.

The Fuse OTS series is suitable for general purpose applications, providing essential protection for feeder and branch circuits that support lighting, heating, and non-motor loads. This fast-acting fuse is rated for a maximum voltage of 600V AC and 300V DC, ensuring effective interruption of short circuit currents up to 50,000 amperes. It is important to note that OTS fuses are not rejection fuses; users must ensure that replacement fuses match or exceed the original fuses' interrupting ratings. The fuse features a Class K5 designation and is ROHS compliant, making it a suitable choice for various installation environments. With a compact design, the fuse has a diameter of 0.81 inches and a length of 5 inches, weighing 0.11 lb. It utilizes a copper terminal connection type and is mounted using clips, enhancing its installation versatility. The body is composed of paper, contributing to its lightweight and effective performance.

The fuse holder is designed to accommodate midget or Class CC fuses measuring 1-1/2" x 13/32" (10 x 38 mm), ensuring compatibility with a variety of fuses. With a focus on rapid installation, the holder features captive securing nuts or screws, which minimizes the requirement for loose components during field assembly. Each pole is equipped with three internal O-rings that form a watertight compartment, effectively protecting the fuse from moisture. The O-rings are color-coded—blue for single pole and red for dual pole—for easy identification.To enhance sealing, optional cone-shaped insulator boots can be utilized, with breakaway versions including these boots as standard. The design incorporates a breakaway feature that provides a safe disconnection of the load in the event of a pole knockdown, ensuring the fuse remains securely contained within the watertight holder on the load side. Upon reinstallation of the pole, reconnection of the fuse holder is straightforward.

The fuse base accommodates Class T fuses with a maximum rating of 60A and is suitable for applications at 300V. Its construction includes a durable aluminum box with a reinforced clip for secure fuse installation. The body is made from glass-filled polycarbonate (GFPC), which provides reliable dielectric strength exceeding 2500V.Designed to operate at frequencies of 50/60 Hz, it can withstand a maximum operating temperature of 80 °C and a storage temperature range from -25 °C to 80 °C. With a short circuit current rating (SCCR) of 200 kA, this fuse base ensures safety and performance under high fault conditions. The installation method is direct screw mounting, facilitating straightforward assembly.

The fuse blocks are designed for compatibility with Class H, K, and R fuses rated for 250 and 600V. They feature a variety of connector types including screw, pressure plate, and special order stud connectors, accommodating both stranded and solid copper or aluminum wires. The insulators are constructed from either molded glass-filled polycarbonate (GFPC) or phenolic materials, ensuring a dielectric strength exceeding 2500V.This specific model supports a 30A ampere rating and can integrate unique adder blocks which allow for the creation of multipole segmented configurations. The clips, made from high conductivity tin-plated copper, are available in both spring-reinforced and non-spring reinforced designs for the 30A and 60A ratings, while 100A clips and above are spring reinforced. The installation is direct screw mount, and the clip-in method is used for fuse installation.

The Tri-Onic TRS-R fuses are designed for effective overcurrent protection in various applications such as motors, transformers, feeders, and branch circuits. With a rated voltage of 600V AC and DC, these fuses are compliant with ROHS standards and fall under Class RK5. The time-delay feature allows them to manage harmless starting and inrush currents typical of modern motors and transformers.These fuses utilize a clip mounting style and are constructed with a body made from PolyTube, ensuring durability. The connection terminals are crafted from tin-plated copper, designed for blade-type connections. With an AC maximum interrupting rating of 200 kA, they offer significant protection against overcurrent events.Dimensions include a length of 9.63 inches and a diameter of 1.81 inches, weighing approximately 1.56 pounds, making them suitable for various installation requirements.

The Surge-Trap® Pluggable Surge Protective Device (SPD) utilizes Mersen’s patented TPMOV® technology and is designed to provide reliable surge suppression without the need for fuses. This device is compliant with UL 1449 4th Edition standards and features a fail-safe self-protected design, ensuring operational integrity. It can be easily mounted on a DIN rail and includes a visual indicator for operational status. A remote indicator option is also available for integration with critical control circuitry.With a high short circuit current rating of 200 kA and a thermally protected MOV, this SPD effectively mitigates the need for additional overcurrent protection devices. The device operates within a frequency range of 50/60 Hz and maintains functionality across a temperature range of -40 °C to 85 °C. Its compact design accommodates a wiring range of #4 to #14 AWG and supports solid or stranded copper wire connections.Designed for split-phase systems, the Surge-Trap SPD offers a nominal operating voltage rating of 120/240 V and a maximum discharge current capability of 75 kA. The device's housing is made from PET, providing a flammability rating of UL94 V0. This makes it suitable for various industrial applications where surge protection is essential.

The A2D-R series SmartSpot time-delay fuse is designed to deliver IEC Type 2 "no damage" protection for mains, feeders, and branch circuits. With a rated voltage of 250V for both AC and DC, this fuse accommodates motor and non-motor loads effectively. It opens rapidly under severe fault conditions to ensure maximum short circuit protection, safeguarding components such as motor starters and switches while providing the necessary time-delay for in-rush currents. Furthermore, the A2D-R fuses can serve as replacements for older 250V Class H, K, or RK5 fuses already in use.Constructed with a body made of PolyTube and featuring a tin-plated copper connection terminal, this fuse is equipped with an indication system known as SmartSpot®, which enhances functionality and user awareness. With a maximum breaking capacity of 200 kA, it meets rigorous safety standards and is ROHS compliant.

The 10x38 gR cylindrical fuse serves as a fast-acting protective component for various applications including inverters, uninterruptible power supplies (UPS), and variable speed drives. Operating at a voltage of 690VAC, this fuse is capable of protecting devices rated for up to 700V. With an ampere range spanning from 1 to 32 A, it meets the necessary compliance standards including UL/CSA for recognized components under IEC 60269-4. The fuse is also CE compliant and lead-free, aligning with modern environmental regulations. This gR fuse is particularly suited for applications requiring protection of small inverters and motor drives, ensuring reliable operation in critical power systems.

The Surge Switch is engineered for high-performance in applications requiring surge protection, specifically accommodating surge currents up to 200 kA with an 8x20 µs waveform. It features a compact design and employs a unique contact mechanism that enhances clamping during surge events. This model is particularly suitable for integration into surge protective device (SPD) panels operating at up to 600 VAC.Built with a body made from glass-fiber reinforced polyester, the switch is designed to operate reliably within a temperature range of -25 to +60 °C. It supports a connection terminal type that is bolt-on and is compliant with various standards, including UL Listing and CE conformity. Its contact materials consist of silver-plated copper, ensuring effective conductivity.With options for 3 or 4 poles, this switch is intended for off-load switchability and is built to meet rigorous safety and performance standards, making it an ideal choice for high surge current applications.

The NH fuse system, identified as a plug-in fuse system, comprises a fuse base, which may include terminal covers and phase barriers, along with a fuse-link featuring blade contact and a fuse-link replacement device (LV HRC fuse puller). Due to the potential for rated current interchangeability, it is essential that this system be handled by qualified professionals. Type gG NH fuse-links are characterized by their full range breaking capacity, allowing them to effectively protect cables and equipment. They are capable of interrupting current surges from the lowest fusing current to their designated breaking capacity, making them suitable for standalone protection applications. Additionally, these fuse-links safeguard electrical devices and industrial setups against the electrodynamic effects caused by very high short-circuit currents.Constructed with a ceramic body and featuring copper and silver-plated contacts, these fuse-links meet various standards, including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2. The NH fuse-links are compliant with CE regulations and are available in sizes 000, 00, 0, 1, 2, and 3, covering an ampere range from 2 A to 800 A.

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 Surge-Trap® Type 1 ST-XR Series is designed to provide reliable surge protection for 480Y/277V systems, making it suitable for branch panels and individual equipment. With a maximum discharge current rating of 50 kA and a voltage protection rating of 2000V L-L, it effectively safeguards against transient surges. The device incorporates TPMOV® technology, ensuring operational safety and compliance with UL1449 4th Edition standards.This unit features a compact design that allows for flexible installation, either line or load, and is pre-wired for ease of connection. The operating temperature range extends from a minimum of -40 °C to a maximum of 85 °C, making it suitable for various environments. With a maximum continuous operating voltage (MCOV) of 640V, it protects against voltage spikes across multiple modes: line-to-ground, line-to-neutral, and line-to-line.Constructed from polycarbonate, the housing provides durability and a flammability rating of UL94-5VA. The Surge-Trap® Type 1 ST-XR Series is also rated for a short circuit current rating (SCCR) of 200 kA, ensuring robust performance in demanding applications.

The AJT Reducer Fuses provide a permanent solution for current rating reduction without the use of temporary fuse reducers. These fuses maintain the same protective capabilities as traditional AJT fuses, but are housed in a larger body for increased performance.With a rated voltage of 600 V AC and 500 V DC, this fuse operates at an ampere rating of 400 A. It is compliant with ROHS standards and classified as Class J, featuring a time-delay characteristic. The mounting options include clip or bolted configurations, and it has an AC maximum interrupting rating of 200 kA. The connection terminals are made of brass and designed as blade type, while the insulating material of the body is GMG.Weighing 3.25 lbs with a diameter of 2.5 inches and a length of 8 inches, this product is packaged with dimensions of 8.75 inches in length, 2.5 inches in width, and 2.38 inches in height, weighing a total of 3.41 lbs for shipping.

The D fuse-system represents the initial generation of the screw fuse-system adhering to the German DIN standard, remaining prevalent in numerous installations. This system is particularly suited for low voltage distribution units where untrained individuals may need to change fuse-links. The D fuse range encompasses sizes NDZ, DII, DIII, DIV, and DV.These fuse-links, rated gG, serve to safeguard cables and power lines by limiting and interrupting excessive overcurrents and short circuit currents up to their nominal breaking capacity. Additionally, they provide protection for equipment and installations against the dynamic effects associated with high short circuit currents. The D fuse-bases are compliant with DIN VDE 0636-301 standards, allow DC voltage ratings of up to 500 VDC, and AC voltage ratings of up to 500 VAC. They support an ampere range from 25 A to 63 A and are applicable in various settings including house incoming units, meter distribution units, distribution cabinets, installation cabinets, and fuse boxes.

The OT and OTN series of fuses are designed to deliver low-cost protection for feeder and branch circuits, particularly for lighting, heating, and other non-motor applications. With a rated voltage of 250 V AC and 250 V DC, these fast-acting fuses are capable of safely interrupting available short-circuit currents up to 50,000 amperes across all ratings.It is critical to note that these fuses are not rejection types; therefore, replacements must be selected carefully to match or exceed the original interrupting ratings. Specifically, the OTN(15-60) versions comply with Canadian electrical code requirements for Type P low melting-point, non-time-delay fuses.This fuse features a Class K5 designation, ensuring reliability in various applications. Constructed with a tin-plated copper terminal type and a PolyTube body material, it supports a clip mounting style for straightforward installation. The fuse weighs 1.45 lb with dimensions of 2.06 in in diameter and 8.63 in in length, making it suitable for various electrical setups.