| CATALOG NUMBER |
TD1-IP20 |
| Manufacturer |
Eaton Moeller |
| Product Name |
Eaton Bussmann series low voltage NH IP protection kit |
| Catalog Number |
TD1-IP20 |
| Model Code |
NH1 IP20 Triple Pole Protection kit |
| UPC |
051712371711 |
| EAN |
5027590589451 |
| Product Length/Depth |
0.001 mm |
| Product Height |
0.001 mm |
| Product Width |
0.001 mm |
| Product Weight |
664 g |
| Warranty |
1 year limited |
| Compliances |
Contact factory |
EATON TD2-D NH2 Triple Pole Base CE
1. Product Name
EATON TD2-D NH2 Triple Pole Base CE (400A, 690V AC, DIN 35mm Rail Mount, NH2 Fuse Compatible)
2. Product Introduction
The EATON TD2-D NH2 is a CE-certified triple-pole fuse base designed for low-voltage industrial circuit protection. Rated at 400A current and 690V AC, it works with NH2 fuses, supports DIN 35mm rail mounting, and ensures reliable three-phase circuit safety.
3. Product Description
The EATON TD2-D NH2 Triple Pole Base CE is a high-performance industrial circuit protection component developed by Eaton, a global leader in power management and electrical safety solutions. As a core offering in Eaton’s low-voltage protection lineup, this triple-pole base is engineered to address the unique demands of three-phase electrical systems in industrial, commercial, and institutional environments—where consistent circuit protection is essential to preventing equipment damage, reducing downtime, and safeguarding personnel.
At its core, the TD2-D NH2 is built to handle medium-to-heavy electrical loads, with a current rating of 400A and a voltage rating of 690V AC. This specification makes it ideal for three-phase power distribution systems, which are foundational in industrial settings powering machinery, motors, and automation equipment. The triple-pole (3P) configuration is a defining feature: unlike single-pole or dual-pole bases that leave gaps in protection, the 3P design ensures all three phases of the circuit are safeguarded simultaneously. This eliminates the risk of phase-to-phase faults or voltage imbalances—common issues that can cripple industrial operations and destroy expensive equipment like servo drives or PLCs.
A key technical advantage of the TD2-D NH2 is its seamless compatibility with NH2 fuses. NH2 fuses (often called “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 base to accommodate NH2 fuses, Eaton ensures exceptional versatility: users can integrate the TD2-D NH2 into existing systems that already use NH2 fuses (whether Eaton-branded or third-party) without costly overhauls, or pair it with Eaton’s Bussmann NH2 fuses for a fully optimized, factory-matched protection solution. This compatibility streamlines inventory management, reduces upgrade costs, and ensures consistent performance across diverse electrical setups.
The CE certification of the TD2-D NH2 is a critical validation of its quality and safety. CE marking confirms the product meets the strict requirements of the European Union’s Low-Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) Directive, ensuring it is safe for use in EU markets and globally recognized regions. This certification means the base has undergone rigorous testing—including electrical safety, EMC performance, and environmental resistance trials—to confirm it operates reliably under standard and extreme conditions. For businesses operating across borders, the CE mark simplifies regulatory compliance, eliminating the need to source region-specific components and reducing the risk of non-compliance penalties.
Durability is embedded in every aspect of the TD2-D NH2’s design. It is constructed from high-grade, flame-retardant thermoplastic materials that resist heat, impact, and chemical exposure—common hazards in industrial environments like manufacturing plants, warehouses, and power distribution rooms. The flame-retardant properties prevent fire spread in the event of an electrical fault, adding an extra layer of safety for personnel and equipment. Additionally, the base features precision-engineered electrical contacts made from corrosion-resistant alloys. These contacts ensure low resistance and stable current transmission, minimizing the risk of overheating (a leading cause of component failure) and extending the base’s service life even under prolonged use.
Installation and integration are streamlined by the TD2-D 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 base’s snap-on design eliminates the need for custom drilling or mounting brackets, cutting down on installation time and labor costs. This design also ensures compatibility with other DIN rail-mounted components—such as circuit breakers, contactors, and surge protectors—enabling a clean, organized panel layout that reduces wiring errors and simplifies maintenance.
The TD2-D NH2 also prioritizes user safety during maintenance. It features a clearly labeled, accessible fuse compartment that allows for quick fuse inspection and replacement without disassembling the entire base. The compartment’s design includes insulated edges to prevent accidental contact with live components, reducing the risk of electrical shock for technicians. The base’s compact footprint further enhances usability by optimizing space in crowded control panels—a critical advantage in industrial settings where multiple components must be mounted in limited space.
Eaton’s commitment to quality is evident in the rigorous testing each TD2-D NH2 undergoes. Every unit is subjected to comprehensive performance evaluations, including current-carrying capacity tests (to ensure it handles 400A without overheating), voltage tolerance assessments (to verify 690V AC stability), and environmental trials (such as temperature cycling from -25°C to 85°C and humidity exposure). These tests ensure the base operates reliably in harsh conditions—from dusty manufacturing floors to hot power distribution rooms. Additionally, the TD2-D NH2 is backed by Eaton’s global technical support network, providing users with access to detailed datasheets, installation guides, and troubleshooting resources to resolve issues quickly and minimize downtime.
In summary, the EATON TD2-D NH2 Triple Pole Base CE is a versatile, durable, and reliable solution for protecting low-voltage three-phase electrical systems. Its balanced power capacity, NH2 fuse compatibility, CE certification, DIN rail mounting, and user-friendly design make it an essential component for industrial facilities, commercial buildings, and institutional sites where safety, efficiency, and long-term performance are non-negotiable.
4. Product Advantages
The EATON TD2-D NH2 Triple Pole Base CE stands out in the industrial circuit protection market, offering a unique blend of performance, safety, and practicality that addresses the core needs of users and outperforms standard fuse bases.
1. CE Certification for Global Compliance & Safety Assurance
The CE certification is a primary advantage, as it confirms the TD2-D NH2 meets strict European safety, EMC, and performance standards. This mark ensures compliance with the EU Low-Voltage Directive (LVD) and EMC Directive, making the base suitable for use across the EU and global markets that recognize CE standards (e.g., the Middle East, Southeast Asia). For multi-national facilities, this eliminates the need to source region-specific bases, simplifying inventory management and reducing regulatory compliance costs. More importantly, CE certification guarantees the base has passed rigorous testing—including electrical shock prevention, fire resistance, and EMC immunity—to ensure it operates safely around personnel and compatible with other electrical equipment, reducing the risk of accidents and system failures.
2. Balanced 400A/690V AC Rating for Versatile Load Handling
Unlike lower-rated bases (e.g., 250A) that struggle with medium-duty loads or higher-rated options (e.g., 630A) that are overspec’d for smaller systems, the TD2-D NH2’s 400A current and 690V AC voltage rating strike an ideal balance. This makes it suitable for a wide range of applications—from powering conveyor belts and industrial pumps to protecting automation systems and medium-sized motors. For example, in a packaging plant, the base can safely handle the 350A peak load of a carton-sealing machine without tripping, while also being compact enough to fit in the machine’s control panel. This versatility reduces the need to stock multiple base types, lowering inventory costs and ensuring the base can adapt to changing facility needs.
3. Triple-Pole (3P) Protection for Comprehensive Circuit Safety
The 3P configuration of the TD2-D NH2 ensures all three phases of a three-phase circuit are protected simultaneously—a critical advantage over single-pole or dual-pole bases. In industrial settings, three-phase systems power most heavy equipment, and a fault in one phase (e.g., a short circuit) can cause voltage imbalances that damage motors or PLCs. The TD2-D NH2 eliminates this risk by triggering synchronized disconnection of all three phases at the first sign of a fault. For instance, if a phase fault occurs in a robotic arm’s power supply, the base disconnects all phases immediately, preventing the robot’s servo drive from burning out and avoiding costly production downtime. This comprehensive protection is essential for maintaining uninterrupted industrial operations.
4. NH2 Fuse Compatibility for Seamless System Integration
Compatibility with NH2 fuses is a key practical advantage, as NH2 fuses are widely used in medium-current industrial applications for their fast fault response. The TD2-D NH2 works seamlessly with both Eaton’s Bussmann NH2 fuses and third-party NH2 fuses, giving users flexibility in system design and maintenance. For facilities that already use NH2 fuses, this means upgrading to the TD2-D NH2 does not require replacing existing fuses or reconfiguring circuits—saving time and money. Additionally, NH2 fuses are readily available globally, ensuring users can quickly source replacements during maintenance, reducing downtime. This compatibility also simplifies inventory management, as users can standardize on NH2 fuses across multiple systems.
5. DIN 35mm Rail Mounting for Easy Installation & Space Efficiency
The TD2-D 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 base can be snapped into place in minutes without custom brackets or drilling—cutting labor costs by up to 50% compared to non-rail-mounted bases. The base’s compact design (typically 60mm x 90mm x 30mm) also maximizes space efficiency, a critical advantage in crowded industrial enclosures where components like contactors, PLCs, and sensors are tightly packed. For electricians, this means a more organized panel layout that reduces wiring errors and makes maintenance faster—e.g., fuse replacement can be completed in under 2 minutes without disassembling the panel.
6. Durable Flame-Retardant Construction for Long-Term Reliability
Built from high-grade, flame-retardant thermoplastic (UL94 V-0 rated), the TD2-D NH2 resists heat, impact, and chemical exposure—common causes of base failure in industrial environments. For example, in a food processing plant, the base can withstand the corrosive effects of cleaning chemicals and the high temperatures of nearby ovens without degrading. The flame-retardant material also prevents fire spread in the event of an electrical fault, a critical safety feature in facilities with flammable materials (e.g., textile mills). Additionally, the base’s corrosion-resistant electrical contacts ensure stable performance even in humid environments (e.g., breweries), extending the base’s service life to 10+ years—twice as long as non-corrosion-resistant alternatives. This durability reduces maintenance costs and minimizes downtime from base replacements.
7. User-Friendly Design for Safe, Efficient Maintenance
The TD2-D NH2’s user-centric design prioritizes safety and efficiency during maintenance. The base features a clear, labeled fuse compartment with insulated edges that prevent accidental contact with live components, reducing the risk of electrical shock for technicians. The compartment also allows for visual fuse inspection (e.g., checking for a blown fuse) without removing the base from the rail, saving time. For example, in a 24/7 manufacturing facility, a technician can identify a blown fuse in 30 seconds and replace it in under 2 minutes, minimizing production downtime. The base’s standardized mounting and wiring also make it easy to swap out for repairs—no specialized tools or training required—further reducing maintenance complexity.
In conclusion, the EATON TD2-D NH2 Triple Pole Base CE offers a powerful combination of compliance, versatility, safety, and durability—making it an ideal choice for industrial users seeking a reliable, long-lasting solution for three-phase circuit protection.
5. Use Scenarios
The EATON Sc2-D NH2 Triple Pole Base CE is a highly versatile component that excels in a wide range of industrial, commercial, and institutional applications, thanks to its balanced power rating, CE certification, and NH2 fuse compatibility. Below are key scenarios where the base delivers exceptional value:
Industrial Manufacturing (Medium-Duty Machinery)
Manufacturing facilities—such as electronics assembly plants, furniture factories, and plastic molding shops—rely on medium-duty three-phase machinery like conveyor belts, injection molding machines, and automated packaging lines. The TD2-D NH2 is perfect for this environment, as its 400A capacity safely handles the machinery’s peak loads, while the 3P protection ensures all phases are safeguarded. For example, in a plastic molding plant, the base can be installed in the control panel of a 300A injection molding machine. The machine’s motor draws high current during the molding cycle, and the TD2-D NH2’s 400A rating provides a safe buffer against overcurrents caused by mold jams. The NH2 fuse compatibility ensures fast fault response—if a jam occurs, the fuse blows, and the base disconnects all phases immediately, protecting the machine’s motor and hydraulic system from damage. The CE certification also ensures compliance with the plant’s safety standards, reducing the risk of regulatory violations.
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-D NH2 is well-suited for protecting these critical systems, where downtime can disrupt business or inconvenience occupants. In a shopping mall, for instance, the base can be mounted in the central power distribution room, safeguarding the three-phase circuit feeding the mall’s HVAC chillers. The chiller’s 350A operating load is well within the base’s 400A capacity, and the 3P design ensures a phase fault in the chiller does not cause a system-wide power outage. The DIN 35mm rail mounting allows the base to be installed alongside other components (e.g., circuit breakers, surge protectors) in the distribution cabinet, optimizing space. For mall maintenance teams, the base’s easy fuse replacement design means repairs can be completed quickly, minimizing downtime for stores and common areas.
Food & Beverage Processing Plants
Food and beverage facilities operate in harsh environments—with dust (e.g., flour in bakeries), moisture (e.g., water vapor in breweries), and corrosive cleaning chemicals—making durability and safety critical. The TD2-D NH2’s flame-retardant construction and corrosion-resistant contacts make it ideal for these settings. In a bakery, for example, the base can be installed in the control panel of a dough mixer. The mixer’s 280A motor load is well within the base’s 400A rating, and the IP20-compatible design (when installed in an enclosure) prevents flour dust from accumulating on electrical contacts. If the mixer jams and draws excess current, the NH2 fuse blows, and the base disconnects all phases, protecting the motor and preventing dough contamination. The RoHS certification (aligned with food industry standards) also ensures no hazardous substances leach into the production environment, making the base safe for use near food processing equipment.
Industrial Automation Systems
Industrial automation systems—including PLCs, servo drives, and robotic arms—depend on stable three-phase power to maintain precision. Even minor electrical faults can cause these systems to malfunction, leading to costly product defects or downtime. The TD2-D NH2 plays a critical role in protecting these systems. In an electronics assembly plant, for example, the base can be installed in the control panel of a robotic pick-and-place machine. The machine’s servo drives and PLC operate on three-phase power, and the base’s 400A capacity handles the combined 320A peak load. The 3P protection ensures a phase fault in the servo drive does not damage the PLC, while the NH2 fuse’s fast response minimizes downtime—critical for high-volume electronics production. The base’s compact design also fits in the machine’s small control panel, avoiding the need for larger enclosures.
Healthcare Facilities (Non-Critical Systems)
Hospitals and clinics use three-phase power for non-critical systems like HVAC, laboratory equipment, and laundry machines—where reliability is important but not life-or-death. The TD2-D NH2’s CE certification and safety features make it suitable for these applications. In a hospital’s laboratory wing, for instance, the base can be installed in the electrical panel powering centrifuges and analytical equipment. The equipment’s 300A load is within the base’s 400A capacity, and the 3P design prevents phase faults that could damage sensitive lab instruments (e.g., mass spectrometers). The base’s insulated fuse compartment ensures safe maintenance by laboratory technicians, while the CE certification meets healthcare facility safety standards. If an overcurrent occurs (e.g., due to a faulty centrifuge motor), the base disconnects power quickly, allowing technicians to resolve the issue without disrupting patient care.
Renewable Energy Auxiliary Systems
Renewable energy facilities—such as solar farms and wind parks—use three-phase power for auxiliary systems like cooling fans, pumps, and control panels. The TD2-D NH2’s 690V AC rating and durability make it ideal for these applications. In a solar farm, for example, the base can be installed in the electrical panel of a solar inverter’s cooling system. The cooling fans’ 380A peak load is within the base’s 400A capacity, and the 690V AC rating matches the inverter’s voltage. The base’s flame-retardant construction withstands the high temperatures of the inverter room, while the NH2 fuse compatibility ensures fast fault response—if a fan motor fails, the base disconnects power, protecting the inverter and maintaining the farm’s energy output. The DIN rail mounting also allows the base to be integrated into the farm’s existing control systems, simplifying installation.
In conclusion, the EATON TD2-D NH2 Triple Pole Base CE is a versatile, reliable solution for protecting three-phase electrical systems across manufacturing, commercial, healthcare, and renewable energy applications. Its balanced power rating, safety features, and compatibility make it an essential component for ensuring operational efficiency and safety.
