... as over-current, over voltage, and anti-pole, missing phase, short circuit protection features such as disconnection; With brown- ... The machine has the following protect function such as over-current, over pressure/voltage, and anti-pole, missing phase, ... , three-loop, the six-loop combination running parallel Expansion . Technical Parameter Precision of voltage : ≤ ± 0.5% F.S Precision of current : ≤ ...