Underspeed protection with adjustable threshold and slope
Overvoltage and undervoltage alarms
Excitation overcurrent protection with delayed intervention
Management of temporary short circuits (start up of asynchronous motors)
Open collector output ( insulated) signalling intervention of protective devices with programmable activation with respect to the individual alarms and the possibility to delay intervention
Abnormal operation conditions storage (type of alarm, number of events, duration of the last event, total time)
Memorization of the regulator operation time (starting from revision 11 of the Firmware)
AVR DSR:
Variable voltage supply:40 - 270 Vac
Frequency range:15 Hz - 72 Hz
Precision of voltage regulation:± 1%
Maximum continuous output current:5 Adc
Environmental temperature:-25°C - +70°C
Regulation:True RMS or average measurement (70-280 Vac)
Transient power drops and overvoltage:within ± 15%
Voltage recovery time:within ± 3% of the value set, in less than 300 msec
Transient overvoltage during start up:less than 5% of nominal voltage
Sensing: Single phase
Parameters (can be programmed via software): VOLT, STAB, AMP and Hz can be set with trimmers (default); 50/60Hz through a "jumper" (default)
Color: Black + White
Material: Metal
Size: 12*9*5cm
Package Contents:
1 * Voltage Regulator)