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Switchtec’s screwless connectors offer cost saving benefits

20 April 2015

Available from Switchtec, Euroclamp's plug-in connectors are screwless for speed of installation and are smaller size to enable more connections per PCB unit length.

Euroclamp’s new screwless plug-in connectors use a spring clamp to grip the wire unlike traditional screw terminal connector blocks that rely on the tightening of a screw to grip the wire conductor. The screwless terminal provides a secure and uniform connection for each terminal.  Screwless terminals are also quicker to use as no tightening of screws is required.

In use, the small, orange coloured push button of the screwless connector is depressed using a screwdriver, the bare wire conductor is inserted into its entry port, the orange button is then released and a ‘calibrated’, measured grip force on the wire is applied, there being one orange pushbutton per conductor.

Screwless terminals can take up less space on the PCB, enabling smaller PC boards and more compact host units. They are also ideal for applications where vibration may be present. Screw technology can be susceptible to vibration that can result in the loosening of connections, or as mentioned, complete loss of connection.

The screwless plug-in rage is available from 2 to 24 way in 3.5, 3.81, 5.0 and 5.08mm pitches and in ratings up to 10A, 300Vac.  Offering versatility, the mating PCB headers are available in vertical, horizontal and angled types with open or closed ends.

These connectors can also be customised to suit customer’s requirements.  The standard colour is green, but blue, red, orange, grey, black and many other colours are available, and in small or large quantities to suit customers’ requirements.

Other options include a screw flange version, and for ease of recognition and maintenance, laser marking or pad printing. Also available is a special glow wire test compliant version for use in domestic applications.

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