COMITRONIC-BTI is a French manufacturer of multi-code non-contact safety switches and safety modules for industrial machines, especially for dangerous ones. From its creation in 1994, BTI has always offered innovating products to its customers. With its products, BTI is still in advance of its time. Not only uses BTI an advanced technology but it also guarantees its products during 2 years. With a growth of 30% a year, BTI is the worldwide leader of the autonomous coded non-contact safety switch. It is the only manufacturer which proposes this kind of electronic switches, which have an internal self-control. It can reach category from 1 to 4 (depending on the models) according to EN954-1 without safety modules. Safty switch manufacturer We can provide - a very simple access control : level 1, 2, 3 and 4. - a switch which can be totally cleaned by a high pressure nozzle - a switch which can function through stainless steel, aluminium or plastic walls upto 6mm thick, - a switch where the T-square and the cable are integrated - a switch with a connector output IP67 - a switch capable of switching 2A - a switch with a signalling LED that does not limit the number of switches that can be connected in series, - a switch with an identifiable engraved marking, a switch with a working distance and hysteresis which do not change from one product to the next or from the termperature variations, - a switch which can be mounted on sliding doors - a unique switch on a double door - anti-tamper electronic double decoding.