This compact 72mm DIN standard module has two-piece connectors, 6 36Vdc single range supply and no drop-out during cranking. Comprehensive engine protection includes Low Oil Pressure, Cooling Fault and Overspeed shutdown. Speed sensing is selectable from Main Alternator or Magnetic Pick-Up via seperate terminals. The Meter output is provided for an external RPM indicator or to aid calibration via a digital multimeter. User programmable via 4-way Dip switch. Build options include, switched Pre-Heat and Hours Run counter. Custom designs are available to order.