Hensel electric india provides control units with spring cage and screw connections. These are manufactured by georg schlegel gmbh & co. Schlegel. By variable key arrangement and the fast exchangeability, schlegel control units are particularly suitable for use in operator control panels and keyboards. Mounting dimensions: vary from 22 mm dia over 26 x 26 mm to 30 dia. The contact blocks are available with spring cage or screw connections.