1.KRS440B AVR 2.Automatic Voltage Regulator 3.half-wave phase-controlled thyristor type 4.ISO9001 CERTIFICATED 5.IN STOCK

Automatic voltage regulator (AVR),

MODEL: KRS440B

For stamford brushless generator

Features

Be applicable for self excited alternator, brushless generator with the frequency

of 50Hz or 60Hz;

Adopt Surface Mounting Technology (SMT);

With Parallel Operation function;

Under Frequency Roll Off Protection;

With Under Frequency LED Indication;

Over Excitation Protection.

 

Technical parameters

Build Up Voltage                   4V ac @ AVR terminals

 

Source Input

Voltage                                 100-264VAC

Frequency                            50/60Hz (Jumper Selectable)

 

Sensing Input

Voltage                                 170-264VAC or 352-528VAC   (Jumper Selectable)

                                              50/60Hz

Output

Voltage                                  Max. 82V DC @ 200VAC Input        

Current                                  4A consecutive current output                                               7.5A instant current for 10 sec.

Excitation Resistance             Min.15Ω (Min.10Ω @ 175V Source Input)        

 

Over Excitation Protection 75VDC (Default Value)

                                               Time Delay   10sec.

 

Under Frequency Protection

(UFRO)                                 92-94%Hz rated frequency(By factory)

Adjusted rate                        ±1%(with 4% engine governing)

 

 

Others provided as follows :

AVR-SX460  

AVR-SX440

AVR-MX321

AVR-MX341  

AVR-AS440