Key exchange box SD1x4SC1

 Selective key distributor;  Designed for controlled release of keys by positioning the selector knob;  Release any number of keys in a predetermined sequence and by different combinations;  Typically used in electrical switchboard applications where you want to ensure that there are no power supplies in parallel;  2 to 4 selector knob positions are available (more than 4 on request);  Supplied with box suitable for both panel and backpanel mounting;  Available with key series QL1.