The present invention discloses a unipolar switching module (4, 9, 10, 11) made of insulating material, wherein said unipolar switching module (4, 9) comprises an incorporated thermomagnetic tripping set (4r, 9r), or said unipolar switching module (10, 11) comprises a current measurer and power supply set (10h, 11i) for an electronic controller (W); or discloses a multipolar low-voltage molded case circuit breaker (1a, 1b, 1c, 1d), wherein said low-voltage molded case circuit breaker (1a, 1b) comprising unipolar switching modules (4, 4', 4", 9, 9', 9"), which interact associated to the tripping set (8) with said operating and tripping mechanism (2), or a low-voltage molded case circuit breaker (1c, 1d) comprising said unipolar switching modules (10, 10', 10", 11, 11', 11"), where said current measurer and power supply set (10h, 11i) interact associated to said operating and tripping mechanism (2').
展开▼
