They have a residual current operated electromechanical release which operates without any auxiliary source of supply to open a circuit a automatically in the case of an earth leakage fault between phase and earth greater than or equal to a threshold of 10mA, 30mA, 100mA, 300mA or 500mA.
Application
They have a residual current operated electromechanical release which operates without any auxiliary source of supply to open a circuit a automatically in the case of an earth leakage fault between phase and earth greater than or equal to a threshold of 10mA, 30mA, 100mA, 300mA or 500mA.
Specification
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