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SX-460 Automatic Voltage Regulator Replacement

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. In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals.

The SX-460 AVR has a voltage regulation of +/-1.0%.
[Specifications]

  • 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% 
  • Thermal drift: 0.05% per deg. C change in AVR ambient
  • 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  
  • Set point: 95% Hz 
  • Slope: 170% down to 30 Hz 
  • Unit power dissipation: 10 watts maximum 
  • Build up voltage:4 Volts @ AVR terminals 
  • Vibration: 20-100 Hz 50mm/sec 100Hz -2kHz 3.3g 
  • Operating temperature: -40 to +70C 
  • Relative Humidity: 0-70C 95%
  • Storage temperature: -55 to +80C

Automatic Voltage Regulator (AVR) SX460

  • $199.00



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