| CATALOG NUMBER |
TD2-IP20 |
| Manufacturer |
Eaton Moeller |
| Product Name |
Eaton Bussmann series low voltage NH IP protection kit |
| Catalog Number |
TD2-IP20 |
| Model Code |
NH2 IP20 Triple Pole Protection kit |
| UPC |
051712371728 |
| Product Length/Depth |
223 mm |
| Product Height |
79 mm |
| Product Width |
188 mm |
| Product Weight |
648 g |
| Compliances |
CE |
| Certifications |
IEC |
EATON TD2-IP20 NH2 Triple Pole Protection Kit
1. Product Name
EATON TD2-IP20 NH2 Triple Pole Protection Kit (400A, 690V AC, IP20, DIN 35mm Rail Mount)
2. Product Introduction
The EATON TD2-IP20 NH2 is a high-performance triple-pole protection kit designed for low-voltage industrial circuits. Rated at 400A and 690V AC, it features IP20 dust protection, NH2 fuse compatibility, and DIN 35mm rail mounting for reliable three-phase system safeguarding.
3. Product Description
The EATON TD2-IP20 NH2 IP20 Triple Pole Protection Kit is a premium electrical safety solution engineered by Eaton, a global leader in power management and industrial circuit protection. As a key part of Eaton’s Bussmann series—renowned for durability and precision in industrial applications—this kit is specifically designed to address the unique demands of three-phase electrical systems, providing comprehensive protection against overcurrents, short circuits, and environmental hazards in industrial, commercial, and institutional settings.
At its core, the TD2-IP20 NH2 kit is built to balance power capacity and versatility, with a current rating of 400A and a voltage rating of 690V AC. This specification makes it ideal for medium-to-heavy-duty three-phase applications, where it can safely handle the electrical loads of machinery, motors, automation systems, and power distribution circuits. The triple-pole (3P) configuration is a defining feature, ensuring that all three phases of the electrical circuit are protected simultaneously. Unlike single-pole or dual-pole alternatives that leave gaps in coverage, the 3P design eliminates the risk of phase-to-phase faults or voltage imbalances—critical for preventing equipment damage and minimizing operational downtime in industrial environments.
A standout technical feature of the TD2-IP20 NH2 is its seamless compatibility with NH2 fuses. NH2 fuses (commonly referred to as “knife-blade fuses”) are industry standards for medium-current industrial applications, valued for their fast fault response, high breaking capacity, and ability to withstand transient electrical surges. By designing the kit to accommodate NH2 fuses, Eaton ensures exceptional versatility: users can integrate the TD2-IP20 NH2 into existing systems that already use NH2 fuses (whether Eaton-branded or third-party) without costly reconfigurations, or pair it with Eaton’s Bussmann NH2 fuses for a fully optimized, factory-matched protection solution. This compatibility streamlines inventory management and reduces the complexity of system upgrades, making it a practical choice for facilities with diverse electrical setups.
The kit’s IP20 ingress protection rating is another critical advantage, providing effective defense against dust ingress and limited protection against vertical water droplets. In industrial environments—such as manufacturing plants, warehouses, and power distribution rooms—dust accumulation is a major threat to electrical components, as it can cause overheating, short circuits, or premature wear. The IP20 rating ensures that the TD2-IP20 NH2 remains free from dust intrusion, maintaining consistent performance and extending its service life. Additionally, the kit’s robust housing is constructed from flame-retardant thermoplastic materials, which not only resist impact and chemical exposure but also prevent the spread of fire in the event of an electrical fault—adding an extra layer of safety for personnel and equipment.
Installation and integration are simplified by the TD2-IP20 NH2’s compliance with standard DIN 35mm rail mounting. DIN 35mm rails are the industry benchmark for mounting electrical components, allowing for quick, tool-efficient installation in control panels and enclosures. The kit’s snap-on design eliminates the need for custom drilling or mounting brackets, reducing installation time and labor costs. This design also ensures compatibility with other DIN rail-mounted components—such as circuit breakers, contactors, and programmable logic controllers (PLCs)—enabling a clean, organized panel layout and seamless integration into both new and existing electrical systems.
The TD2-IP20 NH2 kit also includes a comprehensive set of accessories to enhance safety and usability. These accessories include insulated shrouds, fuse covers, phase barriers, and ganging links. Insulated shrouds and fuse covers prevent accidental contact with live components during maintenance, reducing the risk of electrical shock for technicians. Phase barriers isolate each pole of the circuit, minimizing the chance of phase-to-phase short circuits—a common hazard in high-voltage three-phase systems. Ganging links, meanwhile, ensure synchronized operation of the three poles, guaranteeing that all phases disconnect uniformly in the event of a fault to avoid voltage imbalances that could damage sensitive equipment.
Compliance with international standards is a cornerstone of the TD2-IP20 NH2’s design. The kit adheres to IEC (International Electrotechnical Commission) standards for low-voltage fuse holders and protection systems, ensuring it meets strict global requirements for safety, performance, and electromagnetic compatibility (EMC). It also holds RoHS certification, meaning it is free from hazardous substances such as lead, mercury, and cadmium—aligning with environmental regulations and making it suitable for use in eco-conscious facilities and regulated industries like healthcare and food processing.
Eaton’s commitment to quality is evident in the rigorous testing each TD2-IP20 NH2 kit undergoes. Every unit is subjected to comprehensive performance evaluations, including current-carrying capacity tests, voltage tolerance assessments, and environmental resistance trials (such as temperature cycling, humidity exposure, and vibration testing). These tests ensure the kit operates reliably under extreme conditions—from high-temperature manufacturing floors to dusty power distribution rooms. Additionally, the kit is backed by Eaton’s global technical support network, providing users with access to detailed datasheets, installation guides, and troubleshooting resources to ensure optimal performance and minimize downtime.
In summary, the EATON TD2-IP20 NH2 Triple Pole Protection Kit is a versatile, durable, and user-friendly solution for protecting low-voltage three-phase electrical systems. Its balanced power capacity (400A/690V AC), NH2 fuse compatibility, IP20 dust protection, DIN rail mounting, and comprehensive accessories make it an essential component for industrial facilities, commercial buildings, and institutional sites where safety, reliability, and efficiency are critical.
4. Product Advantages
The EATON TD2-IP20 NH2 Triple Pole Protection Kit stands out in the market for its unique combination of performance, safety, and practicality, offering distinct advantages that cater to the needs of industrial and commercial users.
1. Balanced Power Capacity for Medium-to-Heavy-Duty Applications
With a 400A current rating and 690V AC voltage rating, the TD2-IP20 NH2 strikes an ideal balance between power and versatility. Unlike lower-rated kits (e.g., 250A) that struggle with medium-duty loads, or higher-rated options (e.g., 630A) that are overspec’d for smaller systems, the 400A capacity makes it perfect for a wide range of applications—from powering conveyor belts and industrial pumps to protecting automation systems and medium-sized motors. This balance ensures efficient power handling without wasting energy or space, making it a cost-effective choice for facilities with diverse electrical needs.
2. IP20 Dust Protection for Long-Term Durability
The IP20 ingress protection rating is a key advantage, as it shields the kit from dust ingress—one of the most common causes of electrical component failure in industrial environments. Dust accumulation can clog contacts, cause overheating, or trigger short circuits, but the TD2-IP20 NH2’s sealed design prevents this, extending the kit’s service life and reducing maintenance costs. Additionally, the IP20 rating provides limited protection against vertical water droplets, making it suitable for use in areas with occasional moisture (e.g., near cleaning stations in food processing plants) when installed in enclosures. This durability ensures consistent performance even in harsh industrial conditions.
3. Triple-Pole (3P) Configuration for Comprehensive Protection
The 3P design of the TD2-IP20 NH2 ensures that all three phases of a three-phase circuit are protected simultaneously. In industrial settings, three-phase systems are the backbone of operations, and a fault in one phase can cascade into system-wide failures—damaging expensive equipment and causing costly downtime. The TD2-IP20 NH2 eliminates this risk by triggering synchronized disconnection of all three phases at the first sign of a fault (e.g., overcurrent, short circuit). This is far more reliable than single-pole or dual-pole kits, which leave unprotected phases vulnerable to secondary faults, making the TD2-IP20 NH2 essential for maintaining uninterrupted operations.
4. NH2 Fuse Compatibility for Versatile Integration
Compatibility with NH2 fuses is a significant advantage, as NH2 fuses are widely used in medium-current industrial applications for their fast response and high breaking capacity. The TD2-IP20 NH2 works seamlessly with both Eaton’s Bussmann NH2 fuses and third-party NH2 fuses, giving users flexibility in system design and maintenance. This compatibility is particularly valuable for facilities that already use NH2 fuses, as it allows them to upgrade their protection system without replacing existing fuses or reconfiguring circuits. It also simplifies inventory management, as users can standardize on NH2 fuses across multiple systems, reducing the number of fuse types needed.
5. DIN 35mm Rail Mounting for Easy Installation & Space Efficiency
The TD2-IP20 NH2’s compliance with DIN 35mm rail mounting simplifies installation and optimizes space in control panels. DIN 35mm rails are the industry standard for mounting electrical components, so the kit can be quickly snapped into place without custom brackets or drilling—saving time and labor costs. The compact design of the kit also maximizes space efficiency, a critical advantage in crowded industrial enclosures where multiple components (e.g., PLCs, contactors, sensors) need to be mounted. For electricians and maintenance teams, this means faster installation, easier access for repairs, and a more organized panel layout that reduces the risk of wiring errors.
6. Comprehensive Accessory Set for Enhanced Safety
The TD2-IP20 NH2 kit includes all essential accessories—insulated shrouds, fuse covers, phase barriers, and ganging links—eliminating the need to purchase additional parts separately. Insulated shrouds and fuse covers prevent accidental contact with live components during maintenance, reducing the risk of electrical shock for personnel. Phase barriers isolate each pole, minimizing the chance of phase-to-phase short circuits. Ganging links ensure synchronized operation of the three poles, all of which enhance overall safety and usability. This all-in-one design not only saves costs but also ensures that the kit is ready to install and use immediately, reducing downtime during system setup.
7. Compliance with Global Standards for Reliability
Adherence to IEC standards and RoHS certification ensures that the TD2-IP20 NH2 meets strict global safety and environmental requirements. IEC compliance guarantees that the kit performs reliably under standardized test conditions, giving users confidence in its ability to protect critical equipment. RoHS certification ensures the kit is free from hazardous substances, making it suitable for use in regulated industries (e.g., healthcare, food and beverage) and eco-friendly facilities. This compliance also simplifies regulatory compliance for users operating in multi-regional markets, as the kit meets the requirements of most international safety standards.
In conclusion, the EATON TD2-IP20 NH2’s balanced power capacity, IP20 protection, 3P design, NH2 compatibility, easy installation, accessory set, and global compliance make it a superior choice for users seeking a reliable, versatile solution for three-phase circuit protection.
5. Use Scenarios
The EATON Sc2-IP20 NH2 Triple Pole Protection Kit is a highly versatile solution that excels in a wide range of industrial, commercial, and institutional applications, thanks to its balanced power capacity, IP20 protection, and comprehensive safety features. Below are key scenarios where the kit delivers exceptional value:
Industrial Manufacturing (Medium-Duty Machinery)
Manufacturing facilities—such as electronics assembly plants, furniture factories, and packaging facilities—rely on medium-duty three-phase machinery like conveyor belts, mixers, and automated packaging lines. The TD2-IP20 NH2 is ideal for this scenario, as its 400A capacity safely handles the electrical loads of these machines, while the 3P design ensures all phases are protected. For example, in a packaging plant, the kit can be installed in the control panel of a automated carton-sealing line. The IP20 dust protection prevents packaging dust from damaging the kit, and the NH2 fuse compatibility ensures fast response to overcurrents caused by jammed cartons. If a short circuit occurs, the kit disconnects all three phases immediately, protecting the line’s motors and PLCs from damage and avoiding costly production delays.
Commercial Building Power Distribution
Large commercial buildings—including shopping malls, office towers, and hotels—use three-phase power to distribute electricity to HVAC systems, elevators, and lighting panels. The TD2-IP20 NH2 is well-suited for protecting these critical systems, where downtime can disrupt business operations or inconvenience occupants. In a shopping mall, for instance, the kit can be installed in the central power distribution room, safeguarding the three-phase circuit feeding the mall’s HVAC chillers. The 400A capacity handles the chiller’s load, while the IP20 rating keeps dust (common in electrical rooms) from interfering with performance. If an overcurrent occurs due to a faulty chiller compressor, the kit triggers protection, preventing a system-wide power outage and ensuring that stores and common areas remain comfortable for visitors.
Food & Beverage Processing Plants
Food and beverage facilities operate in environments with strict hygiene standards and potential dust or moisture exposure (e.g., flour dust in bakeries, water vapor in breweries). The TD2-IP20 NH2’s IP20 dust protection and flame-retardant construction make it ideal for these settings. In a bakery, for example, the kit can be installed in the control panel of a dough mixer. The 400A capacity handles the mixer’s motor load, while the IP20 rating prevents flour dust from accumulating on electrical contacts—avoiding overheating and short circuits. The NH2 fuse compatibility ensures fast fault response, so if the mixer jams and draws excess current, the kit disconnects power immediately, protecting the motor and preventing contamination of the dough. The RoHS certification also aligns with food industry safety standards, ensuring no hazardous substances leach into the production environment.
Industrial Automation Systems
Industrial automation systems—including PLCs, servo drives, and robotic arms—depend on stable three-phase power to maintain precision and efficiency. The TD2-IP20 NH2 plays a critical role in protecting these systems, as even minor electrical faults can cause costly downtime or damage to sensitive components. In an electronics assembly plant, for example, the kit can be installed in the control panel of a robotic pick-and-place machine. The machine’s servo motors and PLC operate on three-phase power, and the TD2-IP20 NH2’s 400A capacity handles the combined load. The 3P design ensures that a fault in one phase doesn’t shut down the entire robot, while the IP20 protection keeps solder dust and debris from affecting the kit’s performance. If a short circuit occurs in the robot’s power supply, the kit responds quickly, minimizing downtime and preventing damage to the machine’s precision components.
Healthcare Facilities (Non-Critical Systems)
Hospitals and clinics use three-phase power for non-critical systems such as HVAC, lighting, and laboratory equipment—where reliability is important but not life-or-death. The TD2-IP20 NH2 is suitable for these applications, as its IEC compliance meets healthcare safety standards, and its RoHS certification ensures it is free from hazardous substances. In a hospital’s laboratory wing, for instance, the kit can be installed in the electrical panel powering centrifuges and analytical equipment. The 400A capacity handles the equipment’s load, while the 3P protection prevents phase faults that could damage sensitive lab instruments. The IP20 rating keeps dust and debris out of the kit, ensuring consistent performance in the clean laboratory environment. If an overcurrent occurs, the kit disconnects power safely, allowing technicians to resolve the issue without disrupting other hospital operations.
Renewable Energy (Solar & Wind Auxiliary Systems)
Renewable energy facilities—such as solar farms and wind parks—use three-phase power for auxiliary systems like pumps, fans, and control panels. The TD2-IP20 NH2 is well-suited for these applications, as its 690V AC rating matches the voltage of many renewable energy systems, and its IP20 protection withstands outdoor enclosure conditions. In a solar farm, for example, the kit can be installed in the electrical panel of a solar inverter’s cooling system. The 400A capacity handles the cooling fans’ load, while the 3P design ensures all phases are protected. The IP20 rating keeps dust (common in outdoor enclosures) from damaging the kit, and the NH2 fuse compatibility ensures fast fault response. If a fan motor fails and draws excess current, the kit disconnects power, protecting the inverter and maintaining the solar farm’s energy output.
In conclusion, the EATON TD2-IP20 NH2 Triple Pole Protection Kit is a versatile, reliable solution for protecting three-phase electrical systems across manufacturing, commercial, healthcare, and renewable energy applications. Its balanced power capacity, IP20 protection, and comprehensive safety features make it an essential component for ensuring operational efficiency and safety.
