| 摘要 |
BREAKING POLE HOUSED IN A BREAKING CHAMBER OF AN ELECTRICAL SWITCHING DEVICE COMPRISING A MOBILE CONTACT AND A FIXED CONTACT (2), AND A GENERALLY U-SHAPED ARC DEFLECTOR (1) COMPRISING AN UPPER AREA (10) WITH A V- OR Y-SHAPED CUT-OUT (11) SEPARATING THE UPPER AREA AT ONE OF ITS ENDS (12) INTO TWO SIDE PORTIONS (14, 15), CHARACTERIZED IN THAT THE DEFLECTOR (1) COMPRISES SIDE PLATES (30, 31) THAT ARE PRACTICALLY PERPENDICULAR TO THE UPPER AREA (10) AND PARALLEL TO THE LONGITUDINAL AXIS OF SYMMETRY (XX') OF THE DEFLECTOR AND WHICH ARE CONNECTED TO THE SIDE PORTIONS (14, 15) OF THE UPPER AREA RESPECTIVELY ALONG CORRESPONDING FOLDS (32, 33) PARALLEL TO THE AXIS (XX'), EACH SIDE PLATE (30, 31) HAVING A LONGITUDINAL RECESS (34) FORMING THE U SHAPE OF THE END OF THE DEFLECTOR.
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