Control arrangement for mains-operated apparatuses that are supplied with a low voltage and provided with a mains activation device
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United States of America Patent
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Oct 24, 2006
Grant Date -
Dec 11, 2003
app pub date -
Feb 12, 2003
filing date -
Feb 13, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control arrangement for apparatuses (1) with several functional actuators operated with a low voltage and supplied by a mains-operated transformer (2) provided with a mains activation device. A manually actuated switching unit (3) consolidated into a switching panel (12) and serves to control the actuators and the mains activation device by switching contacts such as pushbuttons. Transmission paths are provided to transmit control commands to the mains activation device and to the actuators. The switching unit (3) is simplified by separate switching contacts (4, 4') and (5, 5') and separate transmission paths (4A) and (5A) respectively provided in the switching unit (3) for the main activation device and for the functional actuators respectively, while the control circuits of the mains activation device and of the functional actuators are permanently separated from one another.
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