Copper, as a high-current conductive material, plays a vital role in electrical systems by carrying current and connecting various devices. It is an essential component behind both high and low voltage equipment, power distribution systems, and industrial processes like electrolytic smelting. If the control cabinet is considered the "brain" of the system, then copper busbars act as the "nerves," ensuring seamless connectivity and smooth operation.
As user demands for control cabinets become more stringent, there's a growing need for more reliable and efficient power distribution systems. Users want to save space, reduce installation time, lower costs, and increase productivity—all challenges that traditional copper busbars struggle to meet. Enter ABB DBL power distribution terminals, a flexible solution designed to address these issues effectively.
ABB DBL offers a modern alternative to conventional copper busbars. According to Gael Grenat, Global Product Manager at ABB Connectivity, the goal was to simplify power distribution for customers. Compared to traditional copper bars, DBL installation is 80% faster, and it uses 50% less space. All connection points are integrated into a compact module, allowing users to expand their control cabinets with ease. The IP20 rating ensures protection against accidental contact, enhancing safety and reliability.
DBL supports both copper and aluminum wires and features a modular, compact design suitable for single-stage, multi-stage shunt, or sink configurations. This versatility allows one product to fulfill three different functions, reducing costs by 20–30%. Installation flexibility includes multi-pole interconnection and support for rail or panel mounting, making it ideal for diverse applications.
While similar products exist, ABB DBL stands out due to its thoughtful design and superior performance. From the start, ABB engineers focused on every detail. The DBL cover provides all necessary technical data, such as maximum current, voltage, torque, and stripping length. Its reversible cover can be opened from two sides, simplifying maintenance. Each unit comes with labeled tags (L1, L2, L3, N, PE, +, -) to streamline wiring.
Safety is also a key feature. The housing is made of V0 flame-retardant plastic, commonly used in railway and explosive environments, ensuring safe operation even under high current conditions.
Market demand for efficient power distribution is significant. With global market potential reaching hundreds of millions of RMB, ABB has tailored DBL to meet local needs. Chinese teams actively participate in product development, ensuring the solution aligns with regional requirements. Throughout the R&D process, close collaboration between ABB’s global and China teams ensures the final product meets real-world expectations.
Selecting DBL is straightforward. Users should confirm three main standards: input current ratings from 80A to 400A (with future expansion up to 500A), cable cross-sectional areas ranging from 2.5mm² to 185mm² on one side and 2.5mm² to 35mm² on the other, and compliance with IEC and UL standards for 1000VAC/1500VDC. DBL is especially suitable for automation, HVAC, machinery, and DC PV systems operating between 600V and 1500V.
In line with digital transformation trends, ABB has introduced ABBAbility—a digital solution aimed at driving value across industries through enhanced data collection and analysis. At the 2017 Hannover Fair, ABB unveiled eKover, a smart cover equipped with sensors and communication modules. It collects real-time current and temperature data, sending it to the cloud for predictive maintenance and safety alerts.
eKover integrates seamlessly with ABBAbility’s core-Vision platform, Emax2 circuit breakers, and Ekip gateways. As Gael Grenat notes, this digital approach can be extended to other connected devices, enabling innovation and delivering greater value to customers.
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