R. STAHL offers a great many components with various functions for protecting motors. They are built into enclosures with Ex e type of protection and are available as circuit breakers,  relays, thermistor  relays, a combination of contactor and motor protection relay (max. 4, 7.5 or 11 kW at 400 V) and as contactors (max. 4 W at 400 V) with thermistor  relay. All  components have a corrosion-resistant enclosure and easily accessible connection terminals to make installation easier and allow for safe connection. They can be reliably secured in the enclosure with screws such that they do not vibrate.