With the precharging resistors for damping inrush currents integrated in the housing, the B44066S*J230/N230 Series of EPCOS capacitor contractors can create a 100-kvar circuit with a single device for PFC systems with and without reactors. The contactors extend the service life of the capacitor and PFC system via optimized switching behaviour, and are also equipped with an auxiliary contact.  Available from stock at a cost of $290 each.
 
EPCOS, Inc.
800-888-7729, www.epcos.com