Product description: SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.
Technical parameters
INPUT Voltage Jumper selectable 95-132V ac or 190-264V ac Frequency 50-60 Hz nominal Phase 1
OUTPUT Voltage max 90V dc at 207V ac input Current continuous 4 A dc Intermittent 6 A for 10 secs Resistance 15 ohms minimum
REGULATION +/- 1.0% (see note 1)
THERMAL DRIFT 0.05% per deg. C change in AVR ambient (note 2)
TYPICAL SYSTEM RESPONSE AVR response 20 ms Filed current to 90% 80 ms Machine Volts to 97% 300 ms
EXTERNAL VOLTAGE ADJUSTMENT +/-10% with 1 k ohm 1 watt trimmer (see note 3)
UNDER FREQUENCY PROTECTION Set point 95% Hz (see note 4) Slope 170% down to 30 Hz
UNIT POWER DISSIPATION 10 watts maximum
BUILD UP VOLTAGE 4 Volts @ AVR terminals
ENVIRONMENTAL Vibration 20-100 Hz 50mm/sec 100Hz – 2kHz 3.3g Operating temperature -40 to +70°C Relative Humidity 0-70°C 95% (see note 5) Storage temperature -55 to +80°C