| 摘要 |
FIELD: electric engineering. SUBSTANCE: Device may be used for multiple-position power switches for home heating appliances. Device has instantaneous opening contacts, main rotation unit with main locator of positions, additional rotation unit with additional locator of positions, longitudinal grooves at main and additional rotation units, cam, which engages with instantaneous contacts and metal axis, on which main and additional rotation units are mounted. EFFECT: reduction of number of silver contact pairs from five to one, instantaneous circuit break. |
