■ Mechanical time switches type 134..., 136.2 Time switches with clockwork/ spring movement, 5 min to 24 h, 0 64 mm Well-tested mechanical time switches for controlling time processes individually, that means switching-on or off machinery or equipment. The operation is very simple With knob, clock face 0 54 mm and fixing plate, black. Working procedure ■ The clockwise setting of the dial on the desired pass time commences timing period. The set time can be adjusted in both directions. Materials ■ Dial knob (polyacetal), clock face (polystyrene), fixing plate (acrylonitrile-butadiene-styrene/ABS), black, on request white, housing:moulded plastics. Special version ■ Time switch even available without knob and dial