Control & HMI Mersen

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 block is compatible with 30 ampere midget fuses measuring 1-1/2” x 13/32” and is suitable for Class CC fuses. The design features various connector options, including box, screw, or pressure-plate types, which accommodate both stranded and solid copper wire. The insulators are constructed from glass-filled polycarbonate (GFPC), ensuring a verified dielectric strength exceeding 2500V.Additionally, the fuse blocks incorporate a unique adder block that can be attached to 1-, 2-, or 3-pole configurations, allowing for the creation of multi-pole segmented blocks as needed. All clips are manufactured from high conductivity tin-plated copper alloy, enhancing performance. The product line is categorized under the 303 Series Class CC Open-Style Fuse Blocks - Midget, and the configuration allows for screw mounting or DIN rail installation.

The fusible shunt trip disconnect is designed as a UL Listed industrial control panel, facilitating remote disconnection of loads in emergency circuits. It is particularly suited for applications such as elevators, building emergency systems, and data processing rooms.Constructed to meet multiple standards, including UL 1087 and NEMA ratings, the panel features a compact design that incorporates various options for enhanced functionality. Specifically, panels tailored for elevator use include control transformers with fusing on both primary and secondary sides, a fire safety interface relay, and a fire alarm voltage monitoring relay. Additionally, mechanically interlocked auxiliary contacts are included to ensure safe operation.The integration of Mersen's Amp-Trap 2000 AJT Class J fuses enhances the panel's performance by enabling easy selective coordination, superior current limitation, and resilience to high fault conditions. Unlike traditional electromechanical overcurrent devices, AJT fuses require no maintenance or periodic testing, thus improving overall system reliability.

The Fusible Shunt Trip Disconnect Switch is a UL Listed industrial control panel designed for remote load-break disconnection of emergency circuits. This compact panel can be customized through a variety of options to enhance its functionality. Specifically engineered for elevator applications, it includes control transformers that fuse both primary and secondary sides, a fire safety interface relay, and fire alarm voltage monitoring relay, along with mechanically interlocked auxiliary contacts.The use of Amp-Trap 2000 AJT Class J fuses allows for straightforward selective coordination while ensuring superior current limitation and resilience to high fault conditions. Notably, AJT fuses enhance system reliability, as they do not require maintenance or periodic testing unlike traditional electromechanical overcurrent devices. This panel supports applications such as building emergency systems and data processing rooms, making it versatile for various fusible shunt trip needs.Compliance with standards including UL 1087, UL 50, and NEMA ratings (1, 12, 3R, 4, 4x) ensures its reliability in diverse environments. The switch operates within an AC voltage range of 208 - 600 VAC and accommodates an ampere range of 30-400 A, confirming its adaptability for different operational demands.

The MULTIBLOC series 00.ST8 encompasses NH fuse switch disconnectors specifically rated at 160A. This model is suitable for bottom fitting or panel installation, accommodating configurations with one, two, or four poles. The design allows for installation in distribution units that feature a central cover, utilizing corresponding covers to maintain a uniform height and length profile. These disconnectors are compliant with standards IEC/EN 60269-2 and VDE 0636-2 for NH fuse-links of size 00, supporting a voltage of up to 690VAC. The MULTIBLOC 00.ST8 is designed to facilitate quick and straightforward installation while ensuring a high level of safety during both installation and maintenance procedures. Applications include house incoming units, meter distribution units, measuring transformer cabinets, and telecommunications transmitting stations. The product meets CE conformity requirements and is ROHS compliant, with the option to consult technical services for lead-free specifications.

The fusible shunt trip disconnect is designed for industrial control applications, providing a UL Listed solution that facilitates remote load-break disconnection for emergency circuits. This panel is particularly suitable for elevator applications and incorporates advanced features such as control transformers, which fuse both primary and secondary sides, and a fire safety interface relay with fire alarm voltage monitoring.Constructed with Mersen's Amp-Trap 2000 AJT Class J fuses, this device ensures ease of selective coordination and offers superior current limitation, enabling it to withstand high fault conditions effectively. Notably, AJT fuses enhance system reliability by eliminating the need for maintenance or periodic testing, which is often required for traditional electromechanical overcurrent devices.Additional specifications include a NEMA 1 enclosure, a load-break switchability, and a configuration of 3 poles. The unit operates within an ampere range of 30 to 400 A and is suitable for various applications, including building emergency systems and data processing rooms. The AC voltage range spans from 208 to 600 VAC, and it conforms to several standards, including UL 1087 and NEMA ratings.

The fusible shunt trip disconnect is designed to enhance safety and reliability in various applications, including elevators, building emergency systems, and data processing rooms. This device features a UL Listed construction, ensuring compliance with industry standards.With a versatile AC voltage range of 208 - 600 VAC and an ampere range of 30-400 A, this disconnect is equipped with Mersen's Amp-Trap 2000 AJT Class J fuses, which facilitate easy selective coordination. The incorporation of these fuses not only provides superior current limitation but also ensures the panel can endure high fault conditions without the need for maintenance or periodic testing, unlike traditional electromechanical overcurrent devices.Elevator-specific configurations include control transformers with fusing on both primary and secondary sides, coupled with a fire safety interface relay that integrates a fire alarm voltage monitoring relay. Additionally, mechanically interlocked auxiliary contacts are included to further enhance operational safety. The NEMA 1 enclosure ensures protection in indoor environments, while the product's compliance with multiple UL standards, including UL 1087 and UL 50, underscores its reliability for industrial applications.

The fusible shunt trip disconnect is designed for industrial applications, conforming to UL 1087 and NEMA standards. It supports an ampere range of 30-400 A and is compatible with AC voltages from 208 to 600 VAC. This panel features a compact design that accommodates various functionalities, including a fire safety interface relay and control transformers for elevator applications, enhancing its utility in emergency systems.Utilization of Amp-Trap 2000 AJT Class J fuses allows for effective selective coordination, ensuring superior current limitation and the capacity to endure high fault conditions. These fuses contribute to system reliability by eliminating the need for maintenance or periodic testing typical of other overcurrent devices. The disconnect's NEMA 1 enclosure ensures suitability for diverse environments, making it an ideal choice for elevator systems, data processing rooms, and other fusible shunt trip applications.

The fusible shunt trip disconnect features a UL Listed industrial control panel specifically designed for remote load-break disconnection of emergency circuits. It supports a range of applications, including elevator operations, building emergency systems, and data processing rooms. The panel can be customized with various options to enhance functionality while maintaining a compact design.Constructed with Mersen's Amp-Trap 2000 AJT Class J fuses, this disconnect facilitates easy selective coordination and provides superior current limiting capabilities. It is engineered to withstand high fault conditions, ensuring enhanced reliability. Unlike traditional electromechanical overcurrent devices, the AJT fuses require no maintenance or periodic testing, contributing to system dependability.The panel is configured with three poles and accommodates an ampere range of 30-400 A. It is rated for AC voltages between 208 - 600 VAC and is housed in a NEMA 1 enclosure. Compliance with multiple standards, including UL 1087 and UL 50, underscores its quality and safety in industrial applications.

The fusible shunt trip disconnect is a UL Listed industrial control panel designed to enable remote load-break disconnection for emergency circuits. It features a compact design with a variety of options to enhance functionality. Specifically designed panels for elevator applications incorporate control transformers that fuse both the primary and secondary sides, a fire safety interface relay, and a fire alarm voltage monitoring relay. The use of Amp-Trap 2000 AJT Class J fuses ensures easy selective coordination, superior current limitation, and the capability to withstand high fault conditions.The AJT fuses enhance system reliability as they do not require maintenance or periodic testing, unlike other electromechanical overcurrent devices. With an AC voltage range of 208 - 600 VAC and a NEMA 1 enclosure, this disconnect switch is compliant with various standards, including UL 1087 for Molded-Case Switches and UL 50. It is suitable for applications such as elevators, building emergency systems, and data processing rooms.

The MULTIBLOC series 1.ST8 encompasses NH fuse switch disconnectors designed for a rated current of 250A and a voltage of up to 690VAC. This model is specifically intended for bottom fitting or panel installations and is available in configurations of one to four poles. For installations in distribution units equipped with a central cover, appropriate covers can be utilized to maintain a consistent profile in height and length.Complying with standards IEC/EN 60269-2 and VDE 0636-2, this product is compatible with NH fuse-links of size 1. The MULTIBLOC system ensures straightforward installation and provides a high level of safety during both installation and maintenance. It is applicable in various scenarios including panel boards for industrial use, feeder pillars, meter distribution units, measuring transformer cabinets, and telecommunications transmitting stations.Furthermore, the MULTIBLOC 1.ST8 meets the SCCR requirements with Ue ratings of AC 400V, AC 500V, and AC 690V, ensuring robust performance across different configurations. The device is also ROHS compliant, and for specifics on lead-free options, consulting technical services is recommended.

NH fuse-bases are available in single-pole and three-pole configurations, suitable for close parallel mounting. Each three-pole base includes two phase-partition walls, enhancing safety and functionality. The design allows for the incorporation of NH fuse-links, which can be equipped with clip-on covers that attach to contact springs. The plastic bases for sizes 00 to 3 are constructed from a single piece of plastic, while size 4 features a metal baseplate along with two ceramic bases.These bases are equipped with stable silver-plated contact springs made from electrolytic copper, ensuring reliability under thermal stress due to the inclusion of highly resilient captive steel springs. Specifically, the size 4 NH fuse-bases accommodate size 4 fuse-links with 8 mm contact blades. A microswitch compatible with NH fuse-links can be integrated, operating at 250VAC/10A and accommodating terminal sizes of 6.3x0.8mm, functioning effectively when a fuse melts or is absent. However, indirect touch protection fuse bases do not support a microswitch.The rated impulse withstand voltage for these bases is 6kV and 8kV for sizes 00 and 0-4, respectively. The installation is designed for DIN rail mounting, with a torque rating of 283.22 lb-in.