首页>
外国专利>
Mains-free switching arrangement for seating and sleeping furniture, avoiding effects of mains electromagnetic fields on user, includes temperature-controlled switches for preventing mains contacts from being switched on
Mains-free switching arrangement for seating and sleeping furniture, avoiding effects of mains electromagnetic fields on user, includes temperature-controlled switches for preventing mains contacts from being switched on
In the control circuits (9, 19) for auxiliary- and load currents, temperature-controlled switches are provided. These prevent the mains contacts (2) from being switched on, should temperatures be incorrect.
展开▼