Motors operating with frequency converters offer the user numerous advantages:

• The motors feature the future-oriented insulation system DURIGNIT IR 2000 (IR = Inverter Resistant). The DURIGNIT IR 2000 insulation system consists of high-quality enamel wires and insulating sheeting in conjunction with solvent-free resin impregnation.

The motors specially developed for operation on a frequency converter with special insulation are converter-compatible from 500 to 690 V (+10 %).