Minimum size with maximum EMC shielding

With the new UNI Dicht TRI, Pflitsch combines the high-quality EMC contacting via TRI spring - familiar from the blueglobe series - with the compactness and individuality of the UNI Dicht modular system. This solution also impresses with its durable, large-surface and low-impedance 360° contact to the cable shield thanks to the patented triangle spring. This results in maximum shielding attenuation values up to the GHz range. Another plus point is the very high current-carrying capacity for reliable dissipation of undesirably high shield currents.

This is because EMC cable glands have to combine several properties: they should not only reliably discharge electromagnetic interference fields, but also undesirably high shield currents. In order to be able to use them in limited installation space, compact dimensions are required. A large sealing and shielding area is ideal so that the user only has to stock a few variants in order to reliably seal the cable diameters used. The components should also save time and money and be safe to install.

Reliable assembly process

Assembly is also simple and safe. All the user has to do is remove the cable sheath at the contact point where the braided shield is to be connected. As soon as the cable is inserted into the cable gland, the TRI spring element ensures reliable shield contact, even with non-circular or off-centre cables. In any case, this type of contacting from Pflitsch means that the cable shield only needs to be exposed directly at the connection point in the switch cabinet. Because the braided shield remains 100% intact, maximum shielding attenuation is achieved and unnecessary coupling of useful signals with interference signals is avoided. The toothing between the double nipple and sealing insert prevents the cable from twisting when the pressure screw is tightened.

For shielded cables from 4.0 mm to 20.5 mm

The UNI Dicht TRI is available in sizes M16 to M25 for cable diameters from 4.0 mm to 20.5 mm. Thanks to their large sealing areas, large diameters can be reliably sealed with IP 68. In addition, the enormous shielding area of the UNI Dicht TRI ensures a secure EMC connection. In M25, for example, cables from 3 mm to 17 mm can be safely contacted. The large-area seal in the Pflitsch cable glands prevents the cable sheath from constricting, making the installation safe and durable. The UNI Dicht TRI made of nickel-plated brass or stainless steel is approved for the temperature range -40 °C to +130 °C with a TPE sealing insert and -55 °C to +200 °C with a silicone sealing insert.