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XTCC Capacitor Contactors from Eaton Electrical

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article image XTCC Capacitor Contactors

Eaton Electrical ’s XT family of IEC Power Control has expanded to include XTCC Capacitor Contactors. These contactors are designed for the specific application requirements associated with switching power-factor correction capacitors (PFC).

Many customers use power-factor correction capacitors to increase the efficiencies of their overall power systems. When switching capacitors in and out of the power system, the switching device (contactor) can experience initial in-rush currents near 180x the nominal current.

This high current can reduce the life of the contactor or require significant oversizing. The XTCC Capacitor Contactors include early-make auxiliary contacts that bring pre-charge resistors into the circuit to handle the high in-rush currents. Antiweld contact material also extends the life of the XTCC contactors.

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