Peter electronic fus l5 series 3 phase frequency inverters din rail mounting peter electronic 2t00040150 this 15kw 3 phase ac drive is a din rail mounting unit with a space saving design and features easy installation and programming additional features such as rs485 modbus interface digital keypad with speed potentiometer a pwm clock frequency of 1 to 16khz and adjustable fixed frequencies make this inverter suitable for a range of applications such as pumps grinding machines ventila