Controller, especially for auxiliary heating in vehicles with diesel engines, has switching elements that can be switched so incandescent device and/or heater are isolated from supply line

摘要

The controller has a control and switching device (1) with a control line (3) from an engine controller, a power supply line (5) and output lines (6a,6b) to a controlled incandescent device (7) and heater (8). The control and switching device (1) has switching elements (2) that can be switched depending on a signal output and switching and control logic (9) so that the incandescent device and/or heater are isolated from the supply line.