Steute EX GFI Explosion Proof Foot Switches Steute Ex GFI foot switches are mounted on machines and plants in cases where operation by hand is not possible. They are used to start and stop operations and production processes. The Ex GFI foot switches feature slow action positive break NC contacts and are available with various contact configurations. Features and Benefits Ex zone 1 and 21 Single pedal Corrosion-resistant aluminium enclosure Salt-mist spray test to DIN EN ISO 9227 High degree of protection IP66 / IP67 Temperature resistant from -40 °C to +55 °C Screws and metal parts made of stainless steel Wiring compartment Low pedal height