Three - phase connection of electric heating element
380 volts three-phase four-wire circuit, any two lines of fire between the voltage is 380 volts, any one between the line of fire and zero line can be composed of 220 volts. The system can form three kinds of power: single-phase 220-volt power supply, single-phase 380-volt power supply, three-phase 380-volt power supply, the first kind of home more, the third type of motor factory used much, Less, only the AC welding machine is often used single-phase 380-volt power supply.
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Contact: Eric Xie
Mob: +8615988295936
Email:sale@benoelectric.com
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