riphase 8kw-12kw heating up controller for plastic factory 1, Rated voltage: AC ... 380V/50HZ2, Scope of application: 310V~430V3, Rated Power: 8kw,10kw and 12KW4, Adjustable range:30%-100% ... of electricity and voltage: Within ± 10% voltage, constant power output;2, Thermal efficiency: ≥90%3, IGBT heat preservation ... 0.5S off cycle2,RW adjust the power 30% -100% power (the solder off the back followed by ...