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Cummins leroy somer AVR R449 3 PHASE single sided

The Stamford SX460 is an analog, half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR). It is part of the excitation system for brushless generators, specifically designed for Stamford alternators to maintain a stable output voltage by regulating the exciter field                                                                                                               

The part number 4963807 is a Cummins Electronic Control Module (ECM), which is essentially the engine's computer board. It is a critical component compatible with several engine series and is widely available from specialized suppliers in India.        

Cummins Generator AVR AS540 AVR

Cummins Generator AVR SX440