1、Voltage regulator supports underspeed protection with adjustable threshold and slope, which is also with overvoltage and undervoltage alarms. 2、Excitation overcurrent protector with anti-degassing port can supports insufficient excitation or excitation loss alarm. 3、Management of temporary short circuits supports starting of asynchronous motors. 4、Open collector output non-insulated informs some alarm interventions via programmable activation signals for each alarm, as well as the possibility of intervention delays and selectable activity levels 5、With operating time of memory regulator, voltage regulator keeps USB communication interface with optional US B2D x R module. 1 x Voltage Regulator1 x USB Flash Drive Item Type: Voltage regulatorModel: DER1Digitally Controlled Voltage Regulator: Based on digital signal processing Application: All for Mecc Alte self-tuning alternatorsQuick Connector: Connect via 20 pole power supplyProtect Power Winding: 5A fast fuseSignal Connection: (Pext, 60Hz jumper. APO) Quickly connect the independent connector through the 10-pin miniAmbient Temperature: -25℃~70℃Power Supply Voltage: 40Vac + 270Vac (2) (from auxiliary winding, output voltage or PMG)Maximum Continuous Output Current: 5Ado Frequency range: 12Hz~72HzSupport: Three-phase or single-phase induction in all connections (Y-Δ-YY-ΔΔ)Automatic Identification: Single-phase or three-phase inductionAverage voltage regulation:Voltage Adjustment Range (Sensing): 75Vac to 300VacVoltage Regulation Accuracy: At any power factor, the frequency varies from 5% to +20% of the rated value, under static conditions from no load to 1% of the rated load.Voltage Regulation Accuracy: ± 0.5% under stable conditions (load temperature)Transient Voltage Drop and Overvoltage: Within ±15%Voltage Recovery Time: Within + 3% of the set value, less than 300 milliseconds.Programmable Soft Start Parameters: Voltage, STAB, AMP and Hz (default) can be set by the trimmer, 50/60Hz (default) can be set by the jumper, all parameters can be programmed by software0~ 2.5Vdc or -10~10Vdc external voltage, used to simulate remote control output voltage.Remote Control of Output Voltage: From 25KΩ to 100KΩ through external potentiometerSize: Approx. 149.5mm / 5.9inApprox. 13.75mm / 0.5inApprox. 122mm / 4.8inApprox. 87mm / 3.4inApprox. 114.5mm / 4.51inApprox. 113.5mm / 4.47in