Industrial Purpose Three Phase Rectifier offers output of Fixed Rated maximum DC voltage or variable from zero to maximum rated voltage. The Three Phase Rectifier requires 380 - 440 Volts in 3 phase mode of operation at a frequency rate of 50Hz. AC supply. The Rectifier utilises rolling contact type voltage regulator wound with heavy section of copper strips suitable for 100% continuous duty cycle or industrial applications. Industrial Purpose Three Phase Rectifier comes in different specifications to cater to specific requirement.