Amtech electronics india, an iso 9001 company, manufactures offers axpert-vt230s range of ac drives. This ac drive is a multimode drive, which sets performance standard for every drive technology that follows. Following are some technical features of this ac drive which includefeatures: v/f control for constant torque loads; v/f control for variable torque loads; sensor less vector; multi-pump control with auto-tune on two independent motors; up to 1000:1 speed range; drive support software for pc; soft sound technology for silent operation; closed loop vector; pm drive; simple to programme and control with detachable ip54 module; rotary knob for easy parameter entry and control; auto-tuning for vector control modes; multi-pump control with auto-tune on two independent motors; up to 1000:1 speed range; drive support software for pc; soft sound technology for silent operation; sensor less and close loop vector control. These ac drives are available from 0.25 kw to 300 kw and provided, with an inverter for almost every standard motor kw.