Mersen Ersatzteile für industrielle Automatisierung

The HV fuse is designed for use in high-voltage switchgear and control systems, offering reliable protection against short-circuit currents as defined by IEC 60282-1 standards. This specific model, Limitor®-P, serves as a back-up fuse, ensuring transformers are safeguarded effectively.Constructed with premium materials, the fuse-elements are made from pure silver, while the caps are copper plated with silver and the body is ceramic. The fuse has a breaking capacity of 63 kA and a minimum interrupting rating of 430 A. Additionally, it can handle a power dissipation of 400 W at its rated current value.With a fuse size of 78 mm in diameter and a length of 442 mm, it is designed for clip mounting and features cylindrical silver-plated copper connection terminals. The rated voltage for this fuse is 24 kV, making it suitable for demanding high-voltage applications.

The NH fuse-link aM is a plug-in fuse system featuring a fuse-base, which may include terminal covers and phase barriers, and a blade contact fuse-link. This system's design necessitates handling by qualified professionals due to the inability to ensure non-interchangeability of rated current. The specific model operates at a rated voltage of 690V AC, with a current capacity of 250A, making it suitable for protecting motor circuits.These fuse-links are characterized by their partial-range breaking capacity, effectively interrupting currents from 6.3 times the nominal current (In) up to their maximum breaking capacity. As such, they are ideal for short-circuit protection and must be paired with additional switchgear to safeguard against overloads. The NH3 fuse size, combined with a ceramic insulating body and silver-plated copper connection terminals, contributes to its robust performance.For optimal functionality, the NH fuse-link aM operates with a power dissipation at the rated current of 14.6W. It is essential to ensure compatibility with the motor's nominal current for effective circuit protection.

The SPD Type 2 device is designed to deliver overvoltage protection tailored for photovoltaic applications. With a maximum discharge current capacity of 40 kA, this device ensures reliable operation across various installations, including large-scale solar farms and off-grid systems. It utilizes Mersen's dynamic thermal disconnection system, effectively eliminating the need for additional overcurrent protection, thanks to its high short-circuit withstand rating.This model features a nominal operating voltage rating of 1060 Vdc and supports multiple MPPT (Maximum Power Point Tracker) inverters, making it suitable for diverse configurations. The surge protective device is compliant with IEC 61643-31 and UL 1449 standards, ensuring robust performance in critical environments.Operating temperature ranges from -40 °C to 85 °C, with a fast response time of 25 ns, further enhancing its reliability. The device also incorporates various protection modes for photovoltaic systems, with a torque rating of 35.4 lb-in for secure installation. The designation code for this product is Surge-Trap® Pluggable STPT2 Series - 40kA PV.

The SPD Type 2 device, adhering to the EN/IEC 61643-11 standard and certified under UL 1449 4th Edition, serves as a voltage surge discharger suitable for utilization in supply distribution panels where Type 1 protection devices are installed upstream. It can also be employed in commercial environments that are not directly exposed to lightning strikes and lack an external lightning protection system.This model, identified as STP T2 40, supports a maximum discharge current of 40kA per phase and a nominal discharge current of 20kA per phase. The device has a nominal operating voltage rating of 690V and offers a maximum continuous operating voltage (Uc) of 750V. The surge protection is rated to withstand a short circuit with a current rating (SCCR) of 50 to 100 kA, and it has a short circuit withstand rating (ISCCR) of 25 kA.With a maximum operating temperature of 85 °C and a minimum operating temperature of -40 °C, this surge protective device ensures reliable performance across a wide range of environmental conditions. The torque rating for installation is specified at 35.4 lb-in. The response time is measured at 25 ns, ensuring rapid action during surges.Constructed from PA66 CT1 material with V-0 flammability rating, the product accommodates wire types ranging from 6 to 35mm² for rigid wires and 6 to 25mm² for stranded wires. It is designed for AC applications and features a system configuration of TNC. The replacement plug for this device is designated as SP2-30K750V.

The SPD Type 2, 40kA is engineered for the dissipation of voltage surges and adheres to the standards set forth in EN/IEC 61643-11, along with UL 1449 4th Edition certification. It is intended for deployment as the second line of defense in supply distribution panels where Type 1 devices are installed upstream. This device can also serve as the primary protection in commercial applications that are not subjected to direct lightning strikes and lack an external lightning protection system.With a maximum discharge current of 40kA per phase and a nominal discharge current of 20kA, this SPD features a wide operational voltage range including 48V, 60V, 120/208V, 230/400V, 277/480V, and higher. The device is equipped with a maximum operating temperature of 85 °C and can function effectively in environments as cold as -40 °C.For surge current ratings, it supports a short circuit current rating (SCCR) of 50 to 100 kA, with a short circuit withstand current (ISCCR) of 25 kA. The torque rating is specified at 35.4 lb-in, ensuring secure installation. The device has a response time of 25 ns, with maximum continuous operating voltages (MCOV) of 275 V for line-to-ground and 550 V for line-to-line configurations. Additionally, it includes a backup fuse rated at 125 A gG.Constructed from PA66 CT1 housing material with a V-0 flame rating, this SPD accommodates wire types ranging from 6 to 35mm² for rigid wires and 6 to 25mm² for stranded wires.

The PV;T12 1000V;2MPPTs;2str; is a DC photovoltaic junction box designed for surge protection in compliance with IEC/EN standards. It is suitable for installation in parallel with residential and light commercial string inverters featuring multiple maximum power point trackers (MPPTs), particularly in 1000Vdc rooftop systems. This product is available in various configurations, offering Type 1 or Type 2 surge protection, and can be equipped with MC4 connectors or cable glands. Noteworthy specifications include a maximum operating temperature of 55 °C and a minimum operating temperature of -20 °C. The junction box accommodates lightning impulse currents of 5 kA and has a maximum discharge current rating of 40 kA, with a nominal discharge current of 20 kA. The housing is constructed from polycarbonate, ensuring durability and performance under specified conditions. Designation Code: PV;T12 1000V;2MPPTs;2str;.

The A100P high-speed fuse is engineered for a maximum operating voltage of 1000V and an ampere rating of 225A. This fuse is suitable for applications requiring lower I2t values and enhanced reliability, including UPS systems and AC/DC drives. With a breaking capacity of 200 kA, it ensures robust protection across various high-voltage applications. The product features a diameter of 2 inches and is constructed with a body insulating material of GMG. The terminals are made from tin-plated copper and designed for bolted connections. Operating in temperatures ranging from -25 °C to 80 °C, this fuse is a reliable choice for diverse operational environments. Its designation code is A100P, highlighting its role in the Amp-Trap® product line.

The SPD Type 2+3, designated for use in surge protection applications, is part of the STP T23 20 series. This device is engineered to handle a maximum discharge current of 20kA per phase, meeting the requirements of EN/IEC 61643-11 for effective voltage surge suppression. It serves as the final protection stage, ideally positioned close to the equipment it safeguards, and works in conjunction with upstream Type 2 devices such as the STP T2 40 SPDs. With a nominal operating voltage rating of 120V and a combined voltage pulse of 10kV, this SPD ensures a high level of protection against voltage surges. Its response time is 25 ns, allowing for quick reaction to transient events. The unit features a maximum back-up fuse rating of 63A gG and is designed for AC systems with a configuration suitable for TT and TNS systems. Constructed from PA66 CT1 housing material, the device is robust and complies with stringent safety standards. It supports both rigid and stranded wire types, accommodating sizes from 6 to 35mm² for rigid and 6 to 25mm² for stranded connections.

The SPD Type 2+3, 20kA is designed to effectively discharge voltage surges while ensuring a high level of voltage protection, adhering to EN/IEC 61643-11 standards. It serves as the final protection stage in electrical panels already equipped with upstream Type 2 protection devices, such as the STP T2 40 series.With a maximum discharge current of 20kA per phase and a nominal discharge current of 10kA per phase, this device is engineered for robust surge protection. Its combined voltage pulse rating of 10kV (1.2/50μs) ensures effective handling of transient voltage events. The device operates at a nominal voltage rating of 230/277 V and features a maximum continuous operating voltage (Uc) of 320 V.The SPD is constructed with a housing made of PA66 CT1 material, rated V-0, and is equipped with a back-up fuse rated at 63 A gG to enhance its protective capabilities. The torque rating for installation is set at 35.4 lb-in, and it provides a short circuit withstand rating (Isccr) of 25 kA, ensuring the safety and reliability of the system.For optimal performance, installation should be as close as possible to the protected equipment, facilitating improved response times of 25 ns and combined discharge voltage of ≤1.4 kV at L-Pe. The device accommodates rigid wire sizes from 6 to 35 mm² and stranded wire sizes from 6 to 25 mm², supporting various configurations such as TT and TNS.

The SPD Type 1+2, model STP T12 12.5, is designed to effectively discharge lightning currents and safeguard against voltage surges in compliance with EN/IEC 61643-11. This device serves as the initial protection stage in power supply panels, particularly beneficial in outdoor installations that incorporate an external lightning protection system.With a lightning impulse current capability of 12.5kA per phase and a maximum discharge current of 50kA per phase, it ensures robust protection against transient overvoltages. The device operates at a nominal voltage rating of 230/400V and supports various configurations including TT and TNS systems. The surge protective device is equipped with four poles and can accommodate wire types ranging from rigid 6…35mm² to stranded 6…25mm².Operating temperature ranges from -40 °C to 80 °C, highlighting its versatility in different environments. The housing is constructed from PA66 CT1 material, ensuring durability, while the maximum back-up fuse rating stands at 200 A gG. The device is also characterized by a short circuit withstand rating of 25 kA, ensuring safety under fault conditions. The replacement plug for L-N is identified as SP12-12K275V.

The SPD Type 2+3 is designed to effectively discharge voltage surges while ensuring a high level of voltage protection, conforming to EN/IEC 61643-11 standards. This model, part of the Surge-Trap® Monobloc STET23 Series, integrates a powerful EMI filter, making it suitable for the final stage of protection in environments susceptible to electromagnetic disturbances that could impair system performance.With a maximum discharge current of 20kA and a nominal discharge current of 10kA, this device is rated for loads up to 20A. It features a response time of 25 ns and a combined voltage pulse rating of 6kV, ensuring swift protection against voltage spikes. The rated operating voltage is 230V, with a maximum continuous operating voltage (Uc) of 275V, and it is configured for TT and TNS systems.The device is housed in a robust PC+GF material, with a torque rating of 35.4 lb-in, and is designed for AC applications. Its effective surge protection capabilities are vital for maintaining system integrity in both residential and commercial setups.

The Surge Trap STMT Series offers low voltage surge protection suitable for both AC and DC applications. Compliant with UL 1449 4th Edition standards, these devices are designed to protect sensitive equipment such as control systems, power supplies, and communication networks. Operating within a voltage range of 12-230 VAC and 24-365 VDC, the device includes a slim DIN-rail mountable design ideal for limited spaces. It features a maximum discharge current of 6kA and a nominal discharge current ranging from 3kA to 10kA. Additionally, this model incorporates an optional dry contact for remote monitoring capabilities. Its robust design withstands operating temperatures from -40 °C to 80 °C, ensuring reliable performance in diverse conditions. Key specifications include a torque rating of 6.2 lb-in and a response time of 25 ns. The Surge Trap STMT Series is constructed with a PC+GF housing material, ensuring durability and compliance with safety standards.

The SPD Type 2+3, rated at a maximum discharge current of 20kA per phase, is engineered to effectively discharge voltage surges while ensuring a high level of voltage protection as per EN/IEC 61643-11. It serves as the final stage of protection in electrical panels equipped with upstream Type 2 protection devices, such as the STP T2 40 SPDs. For optimal performance, installation should occur as close as feasible to the protected equipment.This device supports nominal operating voltages of 230/400V and 277/480V, and features a backup fuse rating of 63 A gG. The surge protective device is classified under Type 2+3/Class II+III standards, providing a response time of 25 ns and a short circuit withstand rating of 25 kA. Notably, the device features a combined voltage pulse of 10 kV and a maximum discharge voltage rating of 320 V, with a torque rating of 35.4 lb-in.The housing is constructed from PA66 CT1 material, meeting V-0 flammability standards, and is compatible with rigid wires ranging from 6…35mm² and stranded wires from 6…25mm². This SPD is part of the Surge-Trap® Pluggable STPT23 Series - 20kA, designed for AC applications, ensuring reliability and compliance in surge protection.

The SPD Type 2+3, configured with a maximum discharge current of 20kA per phase, is designed to provide effective voltage surge protection in compliance with EN/IEC 61643-11 standards. This device functions optimally as the final stage of protection in electrical panels equipped with upstream Type 2 devices, such as the STP T2 40 SPDs. It is crucial to install the SPD as close to the protected equipment as possible to ensure maximum efficacy.With a nominal discharge current of 10kA per phase and a combined voltage pulse rating of 10kV, the SPD supports various nominal operating voltage ratings, including 230/400V and 277/480V. Additionally, it features a short circuit withstand rating of 25kA and a response time of 25 ns, ensuring rapid reaction to surge events. The device utilizes a housing made from PA66 CT1 material and is rated to operate in AC systems.The configuration supports rigid wire types from 6 to 35mm² and stranded wire types from 6 to 25mm², accommodating various installation requirements. The replacement plugs for the device are designated as SP23-20K320V for L-N and SP23-20K-N for N-Pe. The system configuration is TT, and it is imperative that the device is installed in accordance with the specified electrical standards.

The SPD T1+2 5 PV is specifically crafted for photovoltaic applications, meeting both EN 50539-11 and IEC 61643-31 standards. This device is engineered to handle lightning currents with a rating of 5 kA (10/350 μs) and protects against induced voltage surges rated at 40 kA (8/20 μs). Its high short-circuit withstand allows operation without the need for a back-up fuse, thanks to Mersen’s advanced dynamic thermal disconnection system.With a nominal operating voltage of 1060 Vdc, this device is suitable for both large-scale and rooftop PV systems. The surge protector features a maximum operating temperature of 85 °C and a minimum of -40 °C, ensuring reliable performance in various environmental conditions. Its response time is rated at a swift 25 ns, allowing for quick reaction to surge events.Additionally, the SPD T1+2 series includes multipole configurations for systems with multiple MPPT inverters, enhancing its versatility in diverse PV setups. The device is compatible with rigid wire types ranging from 6 to 35 mm² and consists of five poles, making it a robust choice for surge protection in photovoltaic installations.

The SPD Type 1+2 is a device series intended for the protection against voltage surges and lightning currents, adhering to the standards of EN/IEC 61643-11. This model, featuring a discharge capacity of 25kA per phase and a maximum discharge current of 100kA per phase, serves as a primary protection measure in power supply panels exposed to atmospheric conditions. Configured with a 2-Pole system and designed for TNS, this surge protective device can operate within voltage ratings of 230/400V and is equipped with a back-up fuse rated at 315 A gG. Its operational temperature range is significant, with a maximum of 80 °C and a minimum of -40 °C. The housing is constructed from PA66 CT1, ensuring durability. With a torque rating of 35.4 lb-in and a short circuit withstand rating of 25 kA, the SPD Type 1+2 is an essential component for installations that include external lightning protection systems. The product is part of the Surge-Trap® Pluggable STPT12 Series - 25kA and offers rigidity suitable for wire types ranging from 6…35mm² for rigid wires to 6…25mm² for stranded wires. The nominal operating voltage rating is confirmed at 230 / 400 V, with a rated voltage Uc L-Pe of 275 V and a maximum transient voltage Up At In L-Pe of ≤1.5 kV.

The A15QS Amp-Trap® Form 101 high-speed fuses are engineered to provide dedicated protection for diodes and other semiconductor devices operating at 150VAC/DC. With a compact design, these fuses are suitable for applications with space constraints.Featuring a maximum operating temperature of 80 °C and a minimum storage temperature of -25 °C, the A15QS model is built to perform under varied conditions. It has a rated ampere capacity of 250 A and a breaking capacity of 200 kA, ensuring reliable operation in critical environments. The fuse body is constructed from GMG insulating material, while the connection terminals are made of tin-plated brass and utilize a blade type for secure mounting.This product is part of the Amp-Trap® A15QS line, specifically designed for high-speed applications.

The A15QS Amp-Trap® Form 101 high-speed fuses are specifically engineered for the protection of semiconductor devices operating at 150VAC/DC. With a compact design, this fuse variant is suitable for applications where space is restricted.Operating at a maximum temperature of 80 °C and a minimum storage temperature of -25 °C, it ensures reliable performance across various conditions. The fuse features an impressive breaking capacity of 200 kA, ensuring safety and effectiveness in critical applications.Key specifications include a diameter of 1.13 inches and a connection terminal composed of tin-plated brass, designed for bolted mounting. The fuse's body is made from GMG insulating material, ensuring durability and compliance with standards.

The A15QS high-speed semiconductor fuse operates at a maximum voltage of 150VAC/DC and is rated for 900A, making it suitable for the protection of sensitive semiconductor components. Its compact design is particularly advantageous in applications with space constraints.Characterized by a maximum operating temperature of 80 °C and a minimum storage temperature of -25 °C, this fuse is built to withstand demanding environments. Its high-speed characteristics ensure rapid response to overcurrent conditions, thereby enhancing system protection.The fuse features a diameter of 1.13 inches and utilizes a body insulating material composed of GMG. The connection terminals are made from tin-plated brass and are of the blade type, facilitating easy installation with bolted mounting options.This product is part of the Amp-Trap® A15QS series, known for its reliability and performance in protecting electrical circuits.

The NH fuse-link system is categorized as a plug-in fuse system that includes a fuse base—potentially with terminal covers and phase barriers—and a fuse-link featuring blade contact. It incorporates a fuse-link replacement device, specifically the LV HRC fuse puller. Due to the system's design, which does not ensure non-interchangeability of rated current, it mandates handling by qualified professionals. Type 'gG' NH fuse-links exhibit a full range breaking capacity, ensuring protection for both cables and equipment. These fuse-links can effectively interrupt current surges from their minimum fusing current up to their maximum breaking capacity, allowing them to serve as standalone protection measures. They also safeguard electrical devices and industrial setups against the electrodynamic impacts of high short-circuit currents.