... and components needed in motor control circuits, reliably connected to corresponding terminals, and the students can practice in circuit ... , with leakage protection, overload and short circuit protection, to ensure human safety and equipment safety. As proved, it ... parameters1. Power supply: power supply input: 3-phase, 5-line, AC380V±10%, 50Hz Power supplyoutput: 3-phase AC 380 V;2, dimension: 800mm ...