With the back of the transformer Balanced
and
circle Ground fault circuit interrupter Breaker is using the cut-off occurs when the electrical current leakage (vacuum), start from when power supply AC 220 V through Breaker
if the current through coil Balanced
(Balanced transformer), and to the extent, there will be the usual Balanced power, but if you're a fire ring
(vacuum), electricity is part of the fence down to earth and back to electricity is not equal (Unbalanced) Balanced coil inductance will cause the pressure to the secondary coil.
Send the electronic circuit to expand enough to send to the GATE SCR make SCR SCR work to control is in the circle of SOLINOID SCR work to automatically switch to switch on the electric power supply 220 V AC.Therefore, SOLINOID SOLENOID ON Breaker pull down to cut off the power supply 220 V AC. All of them are electric shock will be safe
The key is to test artificial leaks put it (with no kind of suction). When you press the button test will be the same as an electric fence in the land (vacuum), it will work, and pull Breaker SOLINOID cut electricity
as well.
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