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
Frequency 50-60Hz
Output
Voltage Max 90V dc at 207V ac input
Current Continuous 4A dc
Intermittent 6A for 10 secs
Resistance 15 ohms minimum
Regulation +/-1%
Input
Voltage 190-264V ac
Frequency 50-60Hz
Output
Voltage Max 90V dc at 207V ac input
Current Continuous 4A dc
Intermittent 6A for 10 secs
Resistance 15 ohms minimum
Regulation +/-1%