Perfect electronics manufacturesoffers a 50 hz sine wave mosfet ups cum eps. This ups is provided with includes facilities of visual indication for mains, back up, low battery state, mains low voltage cut-off at 170 volts, high voltage cut-off at 270 volts, and fuse blown indication. General specifications of ups include;it also includes the facilities of battery deep discharge cut or low battery cut, over load, short circuit protection, reverse battery polarity protection, spike voltage suppressor, no load cut-off. .It uses ddouble-sided glass epoxy pth boards are used by the ups for all components including the mosfets along with the connectors for low and high current path. So the pcb can be separated immediately without de-solder for maintenance, if any.Some of the technical features of ups include; change over time is less than 1 millisecond, .It produces ac 230 v at 50 hz on 12 v dc with 7 ah to 180 ah battery, .It can be used not only for computers but also to drive tv, vcr, 40 w tubes, fans, etc. Back-up time is 67 hours with one colour computer with 12 v/180 ah battery.
