The Bel Power Solutions 700DNC40-12-xG is a 4kW DC-DC Converter that creates DC voltages in hybrid and electric vehicles suitable to power low voltage accessories. Liquid cooled or convection cooled DC-DC converter operates at input voltages from 400 to 800 VDC and delivers power range up to 4000 W / 3300 W (liquid / convection cooled model). Features include very high efficiency, high reliability, low output voltage noise, and excellent dynamic response to load/input changes