Red light repeater FC-08

The red light repeater FK-08 is designed for installation in the tunnel of the underground. Red light repeater FK-08 is made in a sealed case made of ABS-plastic or analogue. The housing has a bracket for installation in the underground tunnel. On the front side of the case there is a window with glued red frosted glass. At the bottom of the FC-08 housing there are: 2??18 connector for power supply connection; two switches inside a small hermetically sealed plastic box to adjust the brightness of the luminescence. To access the switches, unscrew the four captive screws and remove the cover. Three combinations of switch positions change the brightness of the FC-08. The maximum brightness is set when both switches are on, the minimum brightness is set when both switches are off. Only the number of switches turned on and off matters, and the order of the switches is irrelevant. To switch on the red light repeater FC-08 it is necessary to apply power supply (~24V±20%, 50Hz) to the...