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Basler VR63-4 automatic voltage regulator avr
BASLER ELECTRIC AVR VR63-4 AUTOMATIC VOLTAGE REGULATOR (AVR)
Operating range: 190 Vac to 240 Vac, +10%
190-240 Vac, Single phase, 50/60 Hz +10%,
Less than 1.5 cycles for +10% change in
conditions: Exciter field voltage exceeds
100+5 Vdc for a time inversely proportional to
voltage magnitude, or instantaneously if the
exciter field voltage exceeds 135+5 Vdc.