The Cat G3520 features Caterpillar’s EMCP 4 generator set control system, providing engine and generator set control, protection, and monitoring. The optional EMCP 4.4 provides the ability to parallel multiple generator sets in various gas and diesel applications. It easily integrates into building management systems with Ethernet communication capabilities inherent to the control system. The expanded set of features includes complete SR5 generators, gas train, package-mounted radiators, and simplified wiring. On top of being UL 2200 listed and meeting NFPA 110 Level 1 Type 10 standards, it is also Environmental Protection Agency (EPA)-certified.