| 摘要 |
The contact set has a switch shaft (6) rotated about a transverse axis (4) perpendicular to the longitudinal direction (8) of each switch pole and provided with a rotary contact bridge (10) received in a seating (12) of the switch shaft extending along the longitudinal direction, cooperating with stationary contacts (16a,16b) via diametrically opposing contact pieces (14a,14b). The rotary contact bridge is acted on by at least one contact force springs (26), its ends attached to 2 pins (24a,24b) received in slots (22a,22b) of the switch shaft, cooperating with control cams (30a,30b) of the contact bridge.
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