Motor protection switch MS116 with thermal and electromagnetic protection represents the compact and economical series for motor protection up to 15 kW (400 V) with a module width of 45 mm. The temperature-compensated device has a rotary handle operation with a clear switch position indicator I/0. The rotary handle can be locked in the 0 position using a locking device. Auxiliary and signal contacts as well as undervoltage and shunt current releases can be installed without tools. 3-phase rails for 65 A or 100 A and feed blocks for 25 mm² or 35 mm² allow several motor protection switches to be fed together. Protective housings and accessories for control cabinet and door installation complete the range.