The Schneider Electric’s Altivar 61 Plus – LH (low harmonic) drive offer has been designed with harmonic filtering to suit applications requiring a very low harmonic level (THDI y 5 %). They comply with the conditions imposed by standard IEEE 519 – 1992. Altivar 61 Plus – LH frequency inverters are supplied in an IP 23 or IP 54 certified floor-standing enclosure, which makes it possible to achieve an IP 23 or IP 54 degree of protection for IP 20 Altivar 61. The enclosures are supplied ready-assembled and ready to connect, thus offering a simple and economical “ready to use” solution which keeps setup time to a minimum. Wiring is fast and easy, the setup parameters are factory-set.