EA480

Automatic Voltage Regulator (AVR)

Specifications

Sensing / Power Input \| (Average Reading)	Voltage 60 to 300 Vac 1 phase 2 wire \| Frequency 50/60 Hz (Jumper Selected)
Excitation Output	110V 1 phase Continuous 31 Vdc 5A Max. 45 Vdc 7.5A for 10 seconds \| 220V 1 phase Continuous 63 Vdc 5A Max. 90 Vdc 7.5A for 10 seconds \| Note: If AVR is mounted externally to alternator continuous current should be reduced by 20% \| Resistance Min. 6 ohms Max. 100 ohms @ 110V / Min. 13 ohms Max. 100 ohms @ 220V
Build Up Voltage	4Vac 25Hz residual volts at power input terminal
External Voltage Adjustment	Max. +/-10% @ 1K ohm 1 watt potentiometer \| Use 7.5K ohms resistor to enable 110Vac sensing
Voltage Regulation	Less than +/-0.5% (with 4% engine governing)
Typical System Response	Less than 20 milliseconds
Static Power Dissipation	Max. 4 watts
Quadrature Droop Input	Input resistance 10 ohms \| Sensitivity 0.07A for 5% voltage drop (PF=0) \| Max. input 0.33A
Over Excitation Protection	Excitation Voltage 70 Vdc +/-10% \| Time delay 10 to 15 seconds
Voltage Thermal Drift	Less than 3% at temperature range -40 to +70 °C

Dimensions	130.0 (L) x 90.0 (W) x 39.0 (H) mm \| 5.12 (L) x 3.54 (W) x 1.54 (H) inch
Weight	260 g +/-2% \| 0.573 lb +/-2%