All the parameters can be set via front panel for easy and convenient operation; Modular design, anti-flaming ABS plastic enclosure, compact structure, convenient embedded installation. Two LED displays: single phase voltage display and total active power voltage display (calculated using single phase power, taking load as balanced); Multifunction LED display that can be switched between single phase frequency, single phase current, battery voltage, total running time (max 999 hours), engine and generator temperature; Under voltage, over voltage, under frequency, over frequency, over load, over temperature protection, starting with flashing lights alarm and followed by shutdown protection after alarm delay; Low oil pressure digital input that immediately shuts down the generator in case of low oil pressure; Displayed parameters can be using touch-buttons;Wide selection of temperature sensor types in settings; Technical Parameters: Display LED Nixie Tube Operation Panel PET Digital Input 1 Relay Output 2 Analogue Input 2 AC System 1P2W Alternator Voltage (30-360)V(ph-N) Alternator Frequency 50/60Hz Programmable Interface LINK DC Supply DC(9-18)V Case Dimensions(mm) 118x128x36mm Panel Cutout(mm) 112x122mm Operating Temp. (-25-+70)℃ Product Overview: HGM501 gen-set controller is smart digital controller for control and protection of single-engine gen-sets. It can carry out /stop, data measurement, alarm indication, shutdown protection and other functions. The controller is fitted with LED indicators; it is reliable and easy to use. HGM501 gen-set controller contains the microprocessor allows precise measurement of multiple parameters, which can be configured using controller front panel. With simple wiring, compact structure and high reliability, HGM50