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High-density rectangular connector for harsh environments

12 May 2013

The new HARTING HanQ High Density is a rectangular connector for signal contacts which delivers the highest contact density to date in the company’s compact Han 3A size range.


The new connector incorporates 21 D-Sub contacts, including one designed as a leading contact, and addresses the challenges presented by harsh ambient conditions where ease of handling is needed in addition to the connector being dust-proof, dirt-proof and waterproof. In particular, it can be used in environments in which gloves are worn - something that is not possible with the conventional D-Sub connector.

The new connector meets this requirement because it can be used in all housing models of the HARTING Han 3A size. These include metal and plastic housings for use in interior and exterior environments, EMC housings for high screening attenuation applications and stainless steel housings for hygienic applications.

The connector (for both ac and dc modes) operates in the safety extra-low voltage field at 50V ac and 120V dc. The current load capacity depends on the contacts and cables employed; for turned D-Sub contacts for a conductor cross-section of 0.56mm², the current load capacity at 40°C is approximately 6.5A.

Meanwhile, a new docking frame with a floating mount has been added to the HARTING Han-Modular series of industrial connectors, allowing users to assemble customised connector configurations using 'blind' connection.

The new docking frame, in the 10B size range, makes it possible to create a modular docking connector without a housing. This type of connector is typically used as an insert in switch cabinets, where the insert cassette is pushed into the cabinet and the sides of the connector are brought together blind to form a reliable connection.

The float mount frame can move freely over a distance of ±2 mm, and incorporates leading centring pins and bushes with high mechanical stability to ensure that both connector sides connect reliably together.

The new device is designed for docking applications in the IP20 range, and is available in four different versions suitable for two, three, four or six modules. It completes the Han-Modular® docking frame product portfolio, which is now available in all sizes from 6B to 24B.

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