Features 1、Silicon gaskets can improve the sealing between the module and the panel. Before installing in the panel, install on the module correctly to maintain the integrity of the sealing. 2、To help users connect, icons are used on the back of the module to help identify terminal functions. 3、Come with user‑friendly settings and button layout, easy to use. 4、Monitor multiple parameters at the same time, and these parameters are clearly displayed on the largest backlit icon display in its class. 5、Realize automatically switch between mains (utilities) and generators. 6、Provides additional flexibility with multiple sensors and engine types to ensure that the display continues to operate in extreme cold weather conditions 7、Provides real generator sensing to ensure that the generator is started when needed, which is convenient for monitoring and protecting the generator or monitoring the load current 8、Provide a variety of installation options, provide full generator load control, ensure that the module can be used in a variety of engine types, and ensure that it can be used with the latest modern electronic engine technology 9、Provide access to historical alarms and operating status, provide complete user‑friendly configuration and easy‑to‑use advanced system control and monitoring, provide additional protection, and notify users when the load is too low Specification Item Type: Auto Mains Failure Control Module The diesel generator engine controller module automatic start control unit 4520 has the function of an automatic mains (utility) fault control module, which can monitor the incoming mains (utility) power and indicate that the generator set is not available on the mains (utility) time to start. All modules include a series of intelligent control, monitoring and protection functions for standard and electronic engine generator set applications Main Feature: Support 0-10V and 4-20mA oil pressure sensor. Three-phase generator detection. Generator/load current monitoring and protection. Configurable analog/digital input (9). CAN, MPU and alternator speed sensing (according to the motivation type selection). For Tier 4ECO engine support includes exhaust fluid and filters. Configurable event log (100). For DSE Configuration Suite PC software. Fuel and start output (configurable on CAN). J1939-75 meter output can be configured with CAN meter and alarm. Start with low battery. Enhanced alarm function. Low load alarm. Size: Approx. 113 x 140mm / 4.4 x 5.5in 43 x 34mm / 1.7 x 1.3in Package List 1 x Host 2 x Installation Buckle 1 x User Manual