Product description： The Model 501K is a Manual Engine Control Module, which has been designed to manually control the engine via a key switch on the front panel. The module is used to start and stop the engine, indicating fault conditions; automatically shutting down the engine and indicating the engine failure by LED giving true first up fault annunciation.
DC Supply: 9 to 33 V Continuous. Cranking Dropouts: Able to survive voltage dips during cranking. This is achieved without the need for internal batteries. AlternatorInputRange: 15 - 305 V AC RMS Alternator Input Frequency: 50 - 60 Hz at rated engine speed. MagneticInputRange: 0.5 V to +/- 80 V Magnetic Input Frequency: 2300Hz to 6000 Hz at rated engine speed. Start Relay Output: 16 Amp DC at supply voltage. Run Relay Output: 16 Amp DC at supply voltage. Alarm Output: 1 Amp DC at supply voltage.