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Submersible micro-connector for underwater electrical installations

18th April 2017

Hylec APL Ltd

Anna Flockett

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The launch of the new TeePlug TH381 plug and socket electrical micro connector has been announced by Hylec-APL, designed for underwater use and harsh environment installations. Offering the highest levels of reliability, TeePlug TH381 Series connectors provide complete protection against the effects of permanent submersion in water to ensure electrical connection, even when subjected to high pressure water jets.

The IP68/IP69K rated TeeTubeTH381 models also prevent dust and dirt ingress. Measuring only 14mm in diameter, the TeeTubeTH381 Series suits outdoor lighting applications, such as architectural lighting, street lighting, underwater lighting, illumination of road signs and billboards and the connection of interior and exterior Class 2 electrical devices.

TeePlug TH381 connectors feature a push-pull design that installs up to 80% faster than competitive waterproof connectors, saving valuable time on-site and reducing cost. Intuitive and functional in use, TeePlug TH381 connectors incorporate a special coupling system that confirms correct alignment and mating with an audible click and also prevents accidental disconnection, even against opposing forces of 25kg (8kg according to EN61535).

Models with an additional optional safety system are available to further protect against disconnection by requiring the use of a tool such as a flat-blade screwdriver for uncoupling. TeePlug TH381’s IP68 water resistance rating is guaranteed even when subjected to bending forces of up to 5kg, and they are resistant to high pressure water jets up to 100Br, 16l/min at a water temperature of 80°C. Vibration and external mechanical stresses are no problem either, as cable traction is prevented up to a force of 8kg.

Electrical specification is 2-poles, 10A–400V AC/DC. Wire section is 0.25-1.5mm² without ferrules. TeePlug TH381 Series plugs and sockets are available in two variants, cable to cable and panel-mount, and in two sizes to suit cable diameters between 5.8 and 6.9 and 7.0–8.0mm.

Cable reduction grommets are available for smaller cables, as are additional accessories, including sealing caps, a dedicated spanner for quick, safe installation, a bigger cable gland for larger cables and a rear nut for panel-mounted installations.

Building on the heritage of the proven TeePlug range, the new TeePlug Series TH381 is the optimum electrical connector for all submerged and challenging installations. It is in stock at Hylec-APL and its approved distributors from mid-April.