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Contact Design Reduces Insertion Force for High Amperage Contacts

Tue, 10/30/2001 - 8:02am
A new series of high amperage, low insertion force contacts has been introduced by Amphenol Industrial Operations. The RADSOK® contacts — now available on a number of Amphenol's existing high power, environmental and high performance connector product lines — are ideal for applications requiring repeated mating cycles and high current with a low milli-volt drop.

The patented contact design, developed jointly by Amphenol and KonneKtech, Division of K & K Stamping of Fraser, Michigan, allows the RADSOK connector to carry high amperage current while lowering overall milli-volt drop and reducing the temperature rise commonly experienced in conventional contact designs. Typical applications include battery connections, stationary power sets, generators, alternators, base stations, petrochemical installations and other industrial uses.

The RADSOK terminal is a patented electrical terminal based on a Hyperbolic Grid configuration. The cylinder contains elongated contactor strips connected in spaced parallel relationships, which are twisted into a hyperbolic shape. As a male pin is inserted, the grid deflects, imparting high normal forces. The hyperbolic configuration ensures a large coaxial, face-to-face engagement area for a low milli-volt drop connection with a low insertion force. The stamped grid and cylinder are very rugged, allowing for a high quantity of insertion cycles and off axis insertions. High speed, automated precision stamping and assembly technology ensure high quality, consistency, and the lowest cost in this class of electric terminal.

Contact sizes will range from 3.6 mm to 40 mm, with the current capacity of 50 A to 1200 A and above. Current commercial sizes are 6 mm, 8 mm and 10.3 mm. Application specific sizes can often be produced more economically than other premium terminal solutions. Amphenol can also tailor the contact design to exact customer needs.

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