VR Automatic voltage controller

MX341B  is a three phase-controlled type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator

Be applicable for separated excited alternator, brushless generator with the frequency of 50Hz or 60Hz;
Can Be Used In Parallel Operation;
Under Frequency Roll Off Protection;
With Under Frequency Indication;
Over Excitation Protection.
Technical parameters
Power Input
Voltage 140-220VAC
Current 3A/Phase
Frequency 100-120Hz (nominal)
Sensing Input
Voltage 170-260VAC or 340-520VAC (Jumper Selectable)
Frequency 50-60Hz (Jumper Selectable)
Output
Voltage Max. 120VDC
Current 4A consecutive current output
6A instant current for 10 sec.
Excitation Resistance Min. 15Ω
Under Frequency Protection (UFRO)
Set 95%Hz (By factory)
Slop 100-300% down to 30Hz
Adjusted Rate �1% (with 4% engine governing)

• Input voltage is between 95 and 135 Volts ac or 190 to 264 Volts ac
• Frequency is 50 or 60 Hertz nominal
• Single phase
• Output voltage is a maximum of 90 Volts dc at 207 Volt ac input
• Current is a continuous 4 Amps dc with intermittent 6 Amps for 10 seconds
• Resistance is 15 Ohms minimum
• Unit power dissipation is 10 Watts minimum
• Operating temperature is between -40 degrees Celsius up to 70 degrees Celsius