HARTING has introduced an innovative connector solution for Motor Control Centers (MCCs), leveraging the Han-Modular sliding frame. This new design simplifies the process of achieving a test position within the drawer system, using a mechanical approach that enhances both safety and efficiency. The power connection can be made at a later stage, offering greater flexibility in installation and maintenance. Customers gain from a streamlined system architecture and access to a wide range of modules available in the Han-Modular product line.
Previously, docking connectors only had two states: "plugged" or "unplugged." Now, with the Han-Modular sliding frame, there are three distinct plug-in positions, introducing a completely new and more versatile solution for drawer systems.
**"Not docked position":** In this state, both the signal and power connectors are fully disconnected. The drawer is not inserted into the switch cabinet, ensuring no electrical contact and maximum safety.
**"Test position":** The drawer is pushed into the cabinet, and the signal connectors are engaged via the sliding frame. The power connector remains approximately 35 mm away from the signal connector, ensuring no power transfer occurs. This allows for safe testing and inspection while maintaining a stable signal connection.
**"Working position":** After testing, the drawer—along with its power connector—is fully inserted into the switch cabinet. As the drawer moves forward, the signal connector on the Han-Modular sliding frame retracts to the rear panel of the switchgear, aligning with the power connector. At this point, the system is ready for full operation, ensuring a safe and reliable transition from test to working mode.
**Key advantages of the Han-Modular sliding frame include:**
- A cost-effective mechanical design for drawer systems used in MCCs, with integrated test positions.
- Over 100 different connector modules offer greater adaptability in electrical configurations.
- Seamless integration or retrofitting of bus systems like Profibus or Ethernet.
- A flexible and economical solution that supports both new installations and upgrades.
This advancement not only improves system reliability but also simplifies the overall design, making it easier for engineers and technicians to manage and maintain motor control systems efficiently.
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