KUTAI AVR direct replacement for Stamford Newage AS480 AVR

EA480 is a direct replacement for Newage Stamford AS480. It's equipped with Over Excitation Protection, Soft Start Voltage Ramping Function, EMI suppression and Under Frequency Protection.
*All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.

Features

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
  • 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

Accessories

• Jumper Terminals x 1
• M5L35 Screw x 2
• Adjustment Tool x 1

Environment

• Operating Temperature: -40 to +60 °C
• Storage Temperature: -40 to +85 °C
• Relative Humidity: Max. 95%
• Vibration: 5.5 Gs @ 60 Hz

Physical Specifications

• 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%