HT INDUSTRIAL AUTOMATION LIMITED

Caterpillar Generator Automatic Voltage Regulator AVR VR6

VR6 CATERPILLAR AVR Product Description Download.pdf

Caterpillar VR6 AVR is the new replacement model for VR3 AVR.

2 Versions are available for Caterpillar AVR VR6: 50/60Hz and 400Hz

The Brands mentioned here are for reference purpose only, our parts can exactly replace the original ones.

Specification of VR6 Caterpillar Generator AVR:

Power: SHUNT EXCITED 

Input: 180-280 Vac, 50/60 Hz, 1 or 3 phase 

PMG EXCITED   63-105 Vac    100/240 Hz   3 phase Sensing input: 180-280 Vac,  50/60 Hz   1 or 3 phase 

CT input: 1 or 5 Aac  50/60 Hz 

ACC input: +/- 3 Vdc.   Output: 65 Vdc @ 12 Adc 

OUTPUT: 65Vdc @ 12Adc

Sensing: 100 to 120 V +/-10% with standard 10K Ohm control, 1 phase or 3 phase, 50/60 or 400 Hz; 1 VA maximum burden per terminal

Paralleling: 1 A or 5 A for 6% droop maximum; 10 VA maximum burden; isolated for use in either reactive droop or cross-current method

Regulation accuracy: +/- 0.5% maximum over full range of generator loading and +/- 5% fre­quency variation

Under frequency protection breakpoints:

Adjustable 45 to 65 Hz (50/60 Hz regulators only)

Regulator response: Less than 4 milliseconds

Thermal stability: Less than 0.5% per 40° ambi­ent temperature change

Operating and storage temperature: - 40° C to + 70° C

Vibration: 0.5 G at 18 to 2000 Hz

Power dissipation: Less than 50 W at maximum continuous rating

Shock: Tested to withstand up to 20 Gs in each axis

Dimensions in inches (mm) for Caterpillar Generator AVR VR6: 6.39 (162) x 8.38 (213) x 3.0 (76)

Net Weight of Caterpillar Generator Automatic Voltage Regulator VR6: 2.5 lb (1.3 kg), Gross Weight: 1.4 KG