RB Electronics offers qualitative array of Engine Safety Units. ESU has a fuse indicator feature. The main function of Engine Safety Units is to protect DG sets from any sort of fault or safety issues in any environment. At RB Electronics, these units are constructed keeping the set industry standards in mind and with high quality components. The reliability, durability and excellent performance of these units have been highly appreciated by our customers and hence they are considered as one of the best Engine Safety Units available in the industry.Stop timer for ES type solenoid.