| 摘要 |
<p>A medium-voltage circuit breaker (1) having a kinematic chain (2) provided with low-friction bearings (6, 7, 8), whose particularity consists in that the bearings of the kinematic chain are sliding bearings, the region of contact between mutually opposite surfaces of the sliding bearings being coated with an ultrathin coating of a nanostructured solid lubricant.</p> |
