Rugged connectors for power electronics in industrial automation introduced by Amphenol

SIDNEY, N.Y., 11 March 2012. Amphenol Industrial Global Operations in Sidney, N.Y., is introducing the IP67-rated Amphe-SP3 rugged connectors for environmental high-power applications such as smart grids, UPS for industrial applications, outdoor power supply, control systems, hybrid and electric vehicles, heavy equipment, and factory automation. The Amphe-SP3 has 90- and 120-color and keyway positions of different polarity for reducing mating mistakes.

The power electronics connector has Amphenol's patented RADSOK technology that uses a hyperbolic, stamped grid configuration that provides a large, coaxial, face-to-face surface area engagement not only to maximize heat dissipation and reduce failures, but also to produce low voltage drop, low temperature rise, and low insertion forces.

The Amphe-SP3 features a molded thermoplastic housing and insert with rubber seals as well as integrated waterproof cable glands for tight spaces. This rugged connector is finger-proof in unmated applications, minimizing the user's interface with live contacts and the risk of shock.

The Amphe-SP3 uses silver-plated 5.7 mm RADSOK crimp-termination contacts and carries a current as strong as 120 amps. The connector's maximum operating voltage is 600 volts AC with a contact resistance of 5 million ohms. Its minimum insulation resistance is 5,000 mega-ohms at 25 degrees Celsius.

The Amphe-SP3 can withstand as many as 500 mating cycles at temperatures from -40 to 125 C, salt fog spray to NACI 5 percent for 1,000 hours as well as shock and vibration of 980 m/s. For more information contact Amphenol Industrial online at

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