This Power Supply is designed utilizing ACT’s unique 3-phase power factor correction circuitry, which meets MIL-STD-1399 section 300A and MIL-STD-461D. Full load ride through time, as shown, is greater than 70ms with optional battery backup the ride through time can be increased to UPS requirements. The input power factor is > 0.99 with <3% total harmonic distortion.  This device is comprised of nine separate 1KW module building blocks, an input EMI filter module, and a 60 Hz square wave inverter module (rated @ 1KW).