DSE4520 mains failure self starting generator controller Overview The DSE4520 is a mains failure self starting controller designed for stand alone generator setups. It provides automatic start and stop control plus comprehensive monitoring and protection to reduce downtime and simplify system management. Key benefits Automatic mains failure response: Detects supply loss and initiates reliable self starting sequence to restore power quickly. Clear alarm and status visibility: LCD display shows ordinary alarms, electrical trips, and shutdowns for fast diagnosis and response. Complete engine and generator protection: Continuous monitoring of engine speed, oil pressure, water temperature, generator frequency, voltage, current, and power to prevent damage and unplanned outages. Flexible configuration: Multiple input and output and protection functions support gas and gasoline EFI engines, with parameters adjustable via DSE software or direct front panel editing. Easier commissioning and maintenance: Onscreen alarm details and configurable settings reduce setup time and simplify fault finding. Important attributes Function: Mains failure detection, automatic starting and stopping, alarm logging, and protection for engine and alternator systems. Compatibility: Intended for a variety of stand alone generator applications and compatible with gas and gasoline EFI engines. Performance: Real time monitoring of critical engine and generator parameters to ensure safe operation and to trigger protective actions when needed. Control and configuration: Parameter editing available through dedicated software or through the controller front panel for on site adjustments. Typical applications Commercial backup power: Automatic control and protection for standby generators serving offices, retail sites, and light industrial facilities. Remote or unattended sites: Reliable self starting and clear alarm reporting for telecom sites, pump stations, and remote equipment installations. Rental and construction generators: Flexible inputs and protective features suited to mobile gensets used in temporary power applications. What it delivers The DSE4520 combines automated mains failure start functionality with detailed engine and alternator monitoring and configurable protection. It is intended to improve system reliability, shorten fault resolution time, and provide adaptable control options for a range of stand alone generator installations.