Description
Product Overview
The ABB LWN2660-6 is a high-reliability, advanced low-voltage power distribution module engineered for critical industrial and commercial applications. As part of ABB’s innovative LWN Series, designed to optimize electrical system safety and efficiency, the LWN2660-6 serves as a intelligent circuit protection and monitoring device. It integrates precision overcurrent protection, real-time status monitoring, and seamless communication capabilities, making it an essential component for modern power distribution networks that demand high availability and proactive fault management.
Featuring a compact form factor and robust construction, the ABB LWN2660-6 is built to withstand harsh environmental conditions while delivering consistent performance. The module supports rated operational voltages up to 690V AC and nominal currents up to 630A, ensuring compatibility with a wide range of low-voltage systems. Its core functionality includes instantaneous and time-delayed overcurrent protection, short-circuit fault detection, and thermal overload prevention, all configurable via its intuitive interface or remote control systems. .E-mail :sales@ygplc.com.By combining mechanical durability with digital intelligence, the LWN2660-6 minimizes downtime through rapid fault isolation and enables predictive maintenance through detailed diagnostic data logging.
Designed for seamless integration into ABB’s comprehensive power management ecosystems, the LWN2660-6 communicates via standard protocols like Modbus RTU and Profibus, allowing real-time data exchange with supervisory control systems. This makes it ideal for applications requiring centralized monitoring, such as industrial automation lines, commercial buildings, and renewable energy installations. Its compliance with international standards (IEC 60898, IEC 61439) ensures global usability and adherence to strict safety and performance benchmarks.
Technical Specifications
Parameter Name | Parameter Value |
---|---|
Product Model | LWN2660-6 |
Manufacturer | ABB |
Product Type | Low-Voltage Power Distribution Module |
Rated Voltage (AC) | 230/400V, 415/690V (50/60Hz) |
Rated Current (In) | 630A |
Protection Functions | Overcurrent, Short-Circuit, Thermal Overload |
Communication Ports | RS-485 (Modbus RTU), Profibus DP |
Ambient Temperature | -25°C to +60°C (with derating above +40°C) |
Degree of Protection | IP20 (front panel), IP40 with optional cover |
Dimensions (W×H×D) | 120mm × 240mm × 180mm |
Mounting Method | DIN-rail or panel mounting |
Weight | 2.3 kg |
Compliance Standards | IEC 60898, IEC 61439, UL 489 |

LWN2660-6
Main Features and Advantages
The ABB LWN2660-6 stands out for its balance of protective precision, digital connectivity, and rugged design, addressing the evolving needs of modern power systems. Its dual-function protection mechanism combines electromagnetic tripping for instantaneous short-circuit response with thermal-magnetic tripping for overload protection, ensuring comprehensive fault coverage. The module’s adaptive trip characteristics can be fine-tuned via its local interface or remote software, allowing customization for specific load profiles—critical for applications with non-linear loads or sensitive equipment.
A key advantage is its integrated smart monitoring system, which continuously tracks parameters like current, voltage, and power consumption, providing operators with real-time insights into system health. Historical data logging and event records (e.g., fault occurrences, trip times) facilitate root-cause analysis and maintenance planning, reducing reliance on reactive troubleshooting. The LWN2660-6 also features a mechanical status indicator and a fault memory function, enabling quick visual diagnostics even in offline scenarios.Whatsapp:+86 18859254943.
Installation and maintenance efficiency are prioritized in its design: the module’s plug-and-play architecture allows rapid replacement without specialized tools, while its modular construction simplifies access to internal components. ABB’s rigorous testing protocols ensure the LWN2660-6 meets high-cycle mechanical endurance (20,000 operations) and electrical life (10,000 operations at rated current), making it a cost-effective choice for long-term reliability. Compatibility with ABB’s digital power platforms further enhances its value, enabling seamless integration into IoT-enabled smart grids for advanced energy management.
Application Areas
The ABB LWN2660-6 is ideally suited for industrial and commercial environments where precise power protection and intelligent monitoring are critical. In manufacturing plants, it safeguards motors, pumps, and conveyor systems from overcurrent damage, ensuring uninterrupted production lines. Its role in data centers and server rooms extends to protecting sensitive IT equipment from voltage fluctuations and short-circuits, maintaining uptime for mission-critical operations..E-mail :sales@ygplc.com. Commercial buildings benefit from its ability to manage complex electrical loads in lighting, HVAC, and elevators, combining safety with energy efficiency through real-time consumption tracking.

LWN2660-6
In renewable energy installations, such as solar farms and wind turbines, the LWN2660-6 ensures reliable power conversion and distribution, even in harsh outdoor conditions. Its wide temperature tolerance and robust enclosure make it suitable for remote or exposed locations, while its communication capabilities enable centralized control across dispersed systems. The module also plays a vital role in marine and offshore applications, where space is limited and environmental demands are extreme, providing trusted protection for onboard electrical systems.
Regardless of the sector, the LWN2660-6 addresses the core challenges of modern power distribution: preventing unplanned outages, optimizing maintenance cycles, and enhancing system visibility. Its versatility across voltage classes and load types positions it as a flexible solution for both new installations and retrofitting existing infrastructure to meet evolving safety and digitalization standards.
Related Products
- LWN2660-4: A lower-current variant (400A rating) for smaller-scale distribution systems, sharing the same protective features in a compact design.
- LWN2660-8: A high-current model (800A rating) designed for heavy-duty industrial applications with extreme load requirements.Whatsapp:+86 18859254943.
- ABB EMX2000: A complementary medium-voltage circuit breaker for upstream power distribution, integrating with the LWN2660-6 for end-to-end system protection.
- ABB Ability™ Energy and Asset Manager: A software platform that pairs with the LWN2660-6 to enable advanced analytics, remote monitoring, and predictive maintenance.
- LWN2660-6-C: A corrosion-resistant variant with enhanced surface treatment, ideal for coastal or chemical-processing environments.
- ABB PT1000-Sensor Kit: An optional add-on for temperature monitoring, enhancing the LWN2660-6’s diagnostic capabilities in high-heat applications.
- LWN2660-6-RM: A remote-mount version with extended communication cables, facilitating installation in hard-to-reach or isolated locations.
- ABB Tmax XT: A modular distribution system that works alongside the LWN2660-6 to create scalable, high-performance power panels.
LWN2660-6
Installation and Maintenance
Installation Preparation:
Ensure the electrical system is de-energized and verify compatibility with the ABB LWN2660-6’s rated voltage and current. Clean the mounting surface and use appropriate tools to secure the module via DIN-rail or panel mounting, following ABB’s torque specifications for terminal connections. Whatsapp:+86 18859254943.Route power and communication cables separately to minimize electromagnetic interference, and configure communication parameters (baud rate, address) using the local interface or dedicated software to match the supervisory system.
Ensure the electrical system is de-energized and verify compatibility with the ABB LWN2660-6’s rated voltage and current. Clean the mounting surface and use appropriate tools to secure the module via DIN-rail or panel mounting, following ABB’s torque specifications for terminal connections. Whatsapp:+86 18859254943.Route power and communication cables separately to minimize electromagnetic interference, and configure communication parameters (baud rate, address) using the local interface or dedicated software to match the supervisory system.
Maintenance Recommendations:
Regularly inspect the module for physical damage or loose connections, especially after fault events. Clean the exterior with a dry, non-abrasive cloth; avoid using solvents that may damage the enclosure. Periodically test protective functions using a calibrated test device to ensure trip settings remain accurate. For software-enabled features, update the firmware regularly via ABB’s official tools to benefit from the latest performance optimizations and security patches. Document all maintenance activities and fault events to maintain a comprehensive history for predictive analytics.
Regularly inspect the module for physical damage or loose connections, especially after fault events. Clean the exterior with a dry, non-abrasive cloth; avoid using solvents that may damage the enclosure. Periodically test protective functions using a calibrated test device to ensure trip settings remain accurate. For software-enabled features, update the firmware regularly via ABB’s official tools to benefit from the latest performance optimizations and security patches. Document all maintenance activities and fault events to maintain a comprehensive history for predictive analytics.
LWN2660-6
Product Assurance
ABB stands behind the LWN2660-6 with a comprehensive quality assurance program, ensuring each unit undergoes rigorous testing for electrical performance, mechanical durability, and environmental resilience. The module is backed by a 3-year warranty covering defects in materials and workmanship, reflecting ABB’s confidence in its engineering excellence. Global technical support is available 24/7, providing troubleshooting assistance, installation guidance, and firmware updates to minimize downtime. As a trusted leader in power and automation technologies, ABB ensures seamless access to spare parts and replacement services, even for long-term installations. The LWN2660-6 embodies ABB’s commitment to safety, reliability, and innovation, making it a strategic investment for any application requiring robust, future-ready power distribution solutions.
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