SR7-2G AVR Automatic Voltage Regulator for Mecc Alte

SR7-2G AVR Automatic Voltage Regulator Circuit Board

Premium Quality Replacement Parts for Mecc Alte Generators

Product Description

Up for sale is a brand new, high-performance SR7-2G AVR Automatic Voltage Regulator PCB Circuit Board. Manufactured with top-grade components for maximum durability and prolonged service life, this regulator is engineered precisely to match the rigorous demands of Mecc Alte generator systems. It ensures stable voltage output, reliable system monitoring, and vital protection for your power equipment.

Compatibility & Part Numbers

Compatible Series Mecc Alte ECO and ECP series generators
Reference OE/OEM Numbers SR7-2G
P064-86500
064-86500
330430237

Package List

1x SR7-2G Automatic Voltage Regulator Board
1x Product Manual

Technical Specifications

Model SR7-2G
Induction / Sensing Input 80 ~ 350 VAC, Single Phase, 50/60 Hz
Power Input 50 ~ 280 VAC (1, 2), 50/60 Hz
Output Voltage 63 VDC @ 220 VAC Input / Up to 90 VDC max @ 220 VAC harmonics
Output Current Continuous 6A, Intermittent maximum 7A to 8A (lasts up to 10 seconds)
Voltage Regulation < ±1% (with 4% to 6% engine speed regulation)
Voltage Build-up / Accumulation Residual voltage is higher than 5 VAC at 25 Hz
External Voltage Adjustment ±5% to ±7% @ 100kΩ 1/2 Watt
Unit Power Consumption Maximum 5 Watts
Underfrequency Protection Adjustable U/F range from 42 to 60 Hz
Overexcitation Protection 25 ~ 55 VDC @ 0.1 ~ 20 seconds (Max VDC up to 40V)
EMI Suppression Internal electromagnetic interference filtering
Excitation / Field Winding Resistance DC resistance 10 ~ 100 ohms

Terminal Connection Breakdown

Terminal 1 Negative excitation field
Terminal 2 Connect to terminal 3 if the supply voltage of the SR7/2 is less than 160Vac
Terminal 3 3A excitation positive and regulated power supply
Terminal 4 4A Regulator Induced Voltage
Terminal 5 5A, 5B, Regulator Feed Regulator Sense and External Potentiometer Shared
Terminal 6 Connect to 5A when operating at 60Hz
Terminal 7 External potentiometer connection

AVR Control Functions

  • STAB: Stability Regulation adjustment
  • HZ.: In-Frequency Setting adjustment
  • AMP.: Overexcitation Setting adjustment
  • U/F: Underfrequency Protection calibration
  • O/E: Over-signal LED indicator light

Environmental & Tolerances

  • Max Humidity: Up to 95% Relative Humidity Maximum
  • Low-Freq Vibration: 1.5G @ 5 ~ 30 Hz
  • High-Freq Vibration: 5.0G @ 30 ~ 500 Hz
  • Built to withstand harsh operational conditions

Please Note:

  • The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light conditions.
  • Please allow slight manual measurement deviations for the specified data dimensions.

Fast Shipping

Securely packed and dispatched promptly to minimize your equipment downtime.

Quality Assured

100% brand new item constructed under strict quality control guidelines.

Buy With Confidence

Top-rated support. Contact us if you need help with your order.

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