OEM No/Model: SX440
AVR for generator SX440
SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and forms part of the excitation system for a brushless alternator, such as Stamford or Stamford technical alternator.
Technical specification:
Input voltage: 190-264V AC
Input Frequency : 50-60 Hz nominal
Output Voltage: max 90V dc at 207V ac input
Output Current : continuous 4A , Intermittent 6A for 10 secs.
Resistance: 15 ohms minimum
Regulation: +/- 1%
Thermal drift: 0.04% per deg. C change in AVR ambient
Build up voltage: 4 volts @ AVR terminals
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