... oil pulls down,over speed,over load and over current. Diesel generator Optional configuration:1>Open type, silent/soundproof type, weatherproof ... , stop and protect the engine in urgent condition, such as high water temprature, low oil pressure, over speed.over load , ... factory, restaurant, hotel ,and so on. 120KW-150KW Ricardo Diesel Generator Sets, With protection panel ,CE and ISO9001 Certificate.