Mersen Industrial Automation Spare Parts

One-Time OT and OTN general purpose fuses provide low cost protection for feeder and branch-circuits serving lighting, heating, and other non-motor loads. OT and OTN fuses will safely interrupt available short-circuit currents up to 50,000 amperes in all ratings. OT and OTN fuses are not rejection fuses and care should be taken to ensure that replacement fuses do not have lower interrupting ratings than original fuses. OTN(15-60) satisfy the Canadian electrical code requirement for Type P low melting-point, non-time-delay fuses.

The NH fuse-link system is a plug-in fuse system comprising a fuse base, potentially including terminal covers and phase barriers, along with a fuse-link featuring blade contact. The associated fuse-link replacement device (LV HRC fuse puller) is essential for maintenance. Due to the design of the system, which does not guarantee the non-interchangeability of rated current, handling should be performed by a qualified professional.These type gG NH fuse-links offer full range breaking capacity, serving a critical role in protecting cables and equipment. They are capable of interrupting current surges from the lowest fusing current up to their specified breaking capacity, allowing for their standalone use as protective devices. Additionally, they safeguard electrical devices and industrial installations from the electrodynamic effects of high short-circuit currents, thus ensuring reliability and safety in operations.Constructed from ceramic with copper and silver-plated contacts, these fuse-links accommodate an ampere range from 2 to 800 A. They adhere to multiple standards, including DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, and comply with CE requirements. For ROHS compliance, consultation with Technical Services is advised.

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 featuring blade contact and a replacement device known as a LV HRC fuse puller. Due to the system's design, which does not ensure non-interchangeability of rated currents, installation should be conducted by a qualified professional. Type gG NH fuse-links are characterized by their full range breaking capacity, enabling them to safeguard cables and equipment effectively. They can interrupt current surges across a broad spectrum, from the lowest fusing current to their maximum breaking capacity, making them suitable for standalone protection applications. Additionally, these fuse-links provide essential safeguarding for electrical devices and industrial setups against the electrodynamic impacts of high short-circuit currents. Constructed with a ceramic body, these fuse-links comply with CE standards and are available in a wide ampere range from 2 to 800 A. The contact materials consist of copper and silver-plated components, ensuring reliable connectivity. Adhering to standards such as DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2 further underscores their compliance and reliability in various applications.

The fuse, with a size of 17x49 mm, is characterized by a high breaking capacity suitable for protecting power semiconductors as per IEC standard 60269-1 and -4. It operates at a voltage rating of 690V and falls under the gR class with current ratings from 12 to 90A, compliant with VDE 636-23. This design effectively clears all overloads, enhancing safety and protection within electrical systems. It also facilitates selective coordination with other fuses in the distribution circuit, particularly those in the aR class with current ratings up to 100A, in accordance with IEC 60269-4. Connection adheres to the German standard DIN 43653/00C and the British standard BS88-4. This fuse is recognized by UL, confirming its suitability for various applications.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

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.

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.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

These Premium Amp-trap French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior I²t for improved protection and performance.The Mersen A70QS32-14F is a high-speed cylindrical fuse from the Amp-Trap® A70QS series, specifically engineered for the protection of sensitive semiconductor devices. It is a critical safety component for modern power electronics, providing reliable and extremely fast-acting protection against short-circuit currents.This fuse is rated for 32 Amperes (A) and is designed to operate at voltages up to 690V AC and 700V DC. Its superior design allows it to safely interrupt very high fault currents, with an interrupting rating of 200 kA for AC circuits and 100 kA for DC circuits.The key feature of the A70QS series is its extremely low let-through energy, denoted by a very low I²t value. This ensures that in the event of a fault, the fuse disconnects the circuit before the current can rise to a level that would damage power electronic components like diodes, thyristors, GTOs, and IGBTs. It operates with an aR class characteristic, meaning it provides excellent short-circuit protection but is not designed for overload protection.The part number A70QS32-14F indicates a non-indicating fuse in a 14x51 mm cylindrical body, a standard "French Cylindrical" form factor. This compact size and ferrule-style terminals allow for versatile, high-density mounting in clips or fuse blocks.This fuse is the ideal choice for protecting dynamic solid-state equipment such as small inverters, UPS systems, motor drives, and solid-state relays, where its superior cycling ability ensures a long and reliable service life even under difficult cyclic loading conditions.

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.

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.

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.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

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.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

Tri-Onic TR-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TR-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.

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 aM are partial range fuses. They protect electrical devices in case of unacceptable high short-circuit against destruction due high current limiting and low thermal let-through values. They cut off currents more than 6.3xln until the maximum breaking capacity (rated breaking capacity). Cylindrical fuse-links aM are mainly used for the protection of installation switch gear in otor circuit currents. For classification of the cylindrical fuse-links the nominal current of the fuse-link can be selected respective to the nominal current of the motor. Our technology and process was designed to ensure highly reliable technical performance.

The 690/700V Protistor® fuse-links provide maximum flexibility in equipment design and ultimate protection for small power conversion equipment. These ultra-fast acting aR fuses have been engineered to provide state-of-the-art protection for semiconductors diodes, thyristors and IGBT devices. They are assembled with die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. All contact surfaces are silver plated and all hardware is non-magnetic. Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

The cylindrical fuse-link gG, rated for 400VAC and 2A, is engineered to provide essential protection for electrical distribution circuits, motors, and low-voltage networks. With a breaking capacity of up to 20 kA, it effectively limits and disconnects unacceptable overcurrents and short-circuit currents, ensuring the safeguarding of electrical equipment against the dynamic effects of high short-currents. Constructed with a ceramic body and silver-plated copper terminals, this fuse-link adheres to stringent quality standards and is classified under the product line of Ferrule fuse-links 8x31 gG 400VAC. The device features a diameter of 0.33 inches and a power dissipation of 0.45 watts at rated current. Its design includes a ferrule connection terminal type, facilitating secure installation. With applications spanning various industrial sectors, this fuse-link is critical for maintaining operational safety and reliability within electrical systems. The mounting is clip-based, allowing for straightforward integration into existing setups.